title
What Is ELK Stack | ELK Tutorial For Beginners | Elasticsearch Kibana | ELK Stack Training | Edureka

description
( ELK Stack Training - https://www.edureka.co/elk-stack-training ) This Edureka tutorial on What Is ELK Stack will help you in understanding the fundamentals of Elasticsearch, Logstash, and Kibana together and help you in building a strong foundation in ELK Stack. Below are the topics covered in this ELK tutorial for beginners: 1. Need for Log Analysis 2. Problems with Log Analysis 3. What is ELK Stack? 4. Features of ELK Stack 5. Companies Using ELK Stack Subscribe to our channel to get video updates. Hit the subscribe button above. #ELKStack #ELKStackTutorial #ELKTutorial #ELKStackOnlineTraining #ELKStackforbeginners ----------------------------------------------------------------- How it Works? 1. This is a 5 Week Instructor led Online Course, 30hrs of Online Live Instructor-led Classes. 2. We have a 24x7 One-on-One LIVE Technical Support to help you with any problems you might face or any clarifications you may require during the course. 3. At the end of the training you will be working on a real time project for which we will provide you a Grade and a Verifiable Certificate! -------------------------------------------------------------------- About The Course The ELK stack consists of Elasticsearch, Logstash, and Kibana. Although they've all been built to work exceptionally well together, each one is a separate tool that is driven by the open-source vendor Elastic. Elastic has created an end-to-end stack that delivers actionable insights in real time from almost any type of structured and unstructured data source. So the course can be summarized into: An overview of the key features of Elasticsearch, Logstash & Kibana A deep dive on how their powers combine to deliver an end to end solution for analytics, logging, search & visualization Extensive hands-on demo of the Elastic Stack in action ---------------------------------------------------------------------- Who should go for this course? The following professionals can go for this ELK Stack course: Big Data Analytics Engineer – Elastic Search Web Administrator System Log Analyst Full Stack Technical Architect Web Analyst ----------------------------------------------------------------------- Why learn ELK Stack? ELK Stack will help you find answers to the below questions that might be part of various Business Scenarios: How many users have signed up this week? When should we schedule the maintenance? Why is the database slow? How can I search in the Logs that are of different formats and have inconsistent data? How to deal with different types of Time Formats? How can I search logs that are spread across different locations? For more information, please write back to us at sales@edureka.co CFor more information, please write back to us at sales@edureka.co or call us at IND: 9606058406 / US: 18338555775 (toll free). Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka

detail
{'title': 'What Is ELK Stack | ELK Tutorial For Beginners | Elasticsearch Kibana | ELK Stack Training | Edureka', 'heatmap': [{'end': 849.133, 'start': 799.283, 'weight': 0.998}, {'end': 1045.633, 'start': 937.674, 'weight': 1}, {'end': 1187.005, 'start': 1137.008, 'weight': 0.742}], 'summary': 'Provides a comprehensive introduction to elk stack, emphasizing its relevance in log analysis for organizations in ops and production environments, highlighting its benefits, challenges, and practical demonstrations of setting up and configuring the kibana dashboard for log visualization, time synchronization, and customizing dashboards for efficient data presentation.', 'chapters': [{'end': 79.455, 'segs': [{'end': 79.455, 'src': 'embed', 'start': 21.326, 'weight': 0, 'content': [{'end': 27.171, 'text': 'So I will be going through the slides and giving you the idea about what exactly it is.', 'start': 21.326, 'duration': 5.845}, {'end': 29.033, 'text': "So let's get started.", 'start': 27.872, 'duration': 1.161}, {'end': 32.695, 'text': 'So ELK stack ELK stack is something.', 'start': 29.733, 'duration': 2.962}, {'end': 41.944, 'text': "It's a basically a tool which is recently been introduced and which is recently been adopted by many many organization all across.", 'start': 32.716, 'duration': 9.228}, {'end': 43.385, 'text': 'Why do we need it??', 'start': 42.424, 'duration': 0.961}, {'end': 49.39, 'text': 'What is the use of ELK stack in an ops environment, in a production environment?', 'start': 43.925, 'duration': 5.465}, {'end': 58.335, 'text': 'So these are some of the questions which will be coming into your mind, will be going through the presentation and slowly, slowly,', 'start': 49.95, 'duration': 8.385}, {'end': 60.097, 'text': 'these questions will be answered.', 'start': 58.335, 'duration': 1.762}, {'end': 62.518, 'text': "So let's get started.", 'start': 60.877, 'duration': 1.641}, {'end': 64.659, 'text': 'This is the agenda for today.', 'start': 62.758, 'duration': 1.901}, {'end': 69.162, 'text': 'This includes need for log analysis problem with log analysis.', 'start': 64.679, 'duration': 4.483}, {'end': 76.507, 'text': 'What is Elk stack features of Elk stack and what all companies are using Elk stack.', 'start': 69.683, 'duration': 6.824}, {'end': 79.455, 'text': 'need for log analysis now.', 'start': 77.293, 'duration': 2.162}], 'summary': 'Introduction to elk stack, its adoption by many organizations, and its use in log analysis in production environments.', 'duration': 58.129, 'max_score': 21.326, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE21326.jpg'}], 'start': 0.089, 'title': 'Intro to elk stack', 'summary': 'Provides an introduction to elk stack, covering its features, adoption, and use cases, and highlighting its relevance in log analysis for organizations in an ops and production environment.', 'chapters': [{'end': 79.455, 'start': 0.089, 'title': 'Intro to elk stack', 'summary': 'Provides an introduction to elk stack, covering its features, adoption, and use cases, highlighting its relevance in log analysis for organizations in an ops and production environment.', 'duration': 79.366, 'highlights': ['ELK stack is a recently introduced tool adopted by many organizations for log analysis in ops and production environments.', "The agenda for today's session includes the need for log analysis, problems with log analysis, features of ELK stack, and the companies using ELK stack.", 'The webinar session aims to give an idea about ELK stack and its use in log analysis for organizations.']}], 'duration': 79.366, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE89.jpg', 'highlights': ['ELK stack is a recently introduced tool adopted by many organizations for log analysis in ops and production environments.', "The agenda for today's session includes the need for log analysis, problems with log analysis, features of ELK stack, and the companies using ELK stack.", 'The webinar session aims to give an idea about ELK stack and its use in log analysis for organizations.']}, {'end': 502.753, 'segs': [{'end': 171.29, 'src': 'embed', 'start': 127.526, 'weight': 1, 'content': [{'end': 134.509, 'text': 'So each and every application will have its own way out to visualize or to take the logs.', 'start': 127.526, 'duration': 6.983}, {'end': 140.131, 'text': 'So logs in each and every application are written out in their own manner.', 'start': 134.949, 'duration': 5.182}, {'end': 149.294, 'text': 'So it is the first thing which the administrator should learn that is reading the logs or analyzing the logs.', 'start': 140.711, 'duration': 8.583}, {'end': 159.505, 'text': 'With the help of logs only we will be able to analyze what exactly how the application is performing, or, if it is not performing in the expected way,', 'start': 149.941, 'duration': 9.564}, {'end': 163.087, 'text': 'then what error or what exactly is the problem with the application?', 'start': 159.505, 'duration': 3.582}, {'end': 171.29, 'text': 'So as I said log analysis helps us to analyze the logs in a better way earlier.', 'start': 163.727, 'duration': 7.563}], 'summary': 'Logs analysis is crucial for app performance, errors, and problem identification.', 'duration': 43.764, 'max_score': 127.526, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE127526.jpg'}, {'end': 261.488, 'src': 'embed', 'start': 223.191, 'weight': 0, 'content': [{'end': 227.593, 'text': 'log analysis can be centralized or it can be decentralized.', 'start': 223.191, 'duration': 4.402}, {'end': 236.876, 'text': 'decentralized is something where the logs are generated on each and every web server and we have to log into each and every web server to troubleshoot and drill down the issue.', 'start': 227.593, 'duration': 9.283}, {'end': 238.917, 'text': 'This is not an ideal scenario.', 'start': 237.416, 'duration': 1.501}, {'end': 248.742, 'text': "This is not a good approach because it's a time-consuming and also, you know, it becomes very hard and very time-consuming to solve an issue.", 'start': 239.057, 'duration': 9.685}, {'end': 256.185, 'text': 'This is the reason we generally recommend to have to store the logs at a central place for analysis.', 'start': 249.302, 'duration': 6.883}, {'end': 261.488, 'text': "Let's understand how do Elk stack helps us with the log analysis.", 'start': 256.826, 'duration': 4.662}], 'summary': 'Centralized log analysis is recommended to avoid time-consuming troubleshooting. elk stack aids in log analysis.', 'duration': 38.297, 'max_score': 223.191, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE223191.jpg'}, {'end': 372.2, 'src': 'embed', 'start': 340.359, 'weight': 4, 'content': [{'end': 341.14, 'text': 'issue debugging.', 'start': 340.359, 'duration': 0.781}, {'end': 348.585, 'text': 'So whenever we come across an issue in the production scenarios in order to debug the issue, we read the logs.', 'start': 341.5, 'duration': 7.085}, {'end': 351.867, 'text': 'So this is the important of analyzing the logs.', 'start': 349.005, 'duration': 2.862}, {'end': 354.469, 'text': 'It helps us to debug the issue.', 'start': 352.508, 'duration': 1.961}, {'end': 363.636, 'text': 'Moreover, if we keep on reading logs in a regular interval, we can also reduce the occurrence of a certain issue or certain error.', 'start': 354.93, 'duration': 8.706}, {'end': 372.2, 'text': 'which can be a predictive analysis like suppose someday you are reading across the logs and you find out that there is some error.', 'start': 364.176, 'duration': 8.024}], 'summary': 'Analyzing logs helps debug issues and predict errors, reducing their occurrence.', 'duration': 31.841, 'max_score': 340.359, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE340359.jpg'}, {'end': 435.601, 'src': 'embed', 'start': 385.966, 'weight': 5, 'content': [{'end': 389.226, 'text': 'these things are also very much captured in the logs.', 'start': 385.966, 'duration': 3.26}, {'end': 392.707, 'text': 'So on a server we have something called the access logs.', 'start': 389.626, 'duration': 3.081}, {'end': 399.048, 'text': "It's generally a routine job for a sysadmin to go through these security logs as well,", 'start': 393.187, 'duration': 5.861}, {'end': 408.009, 'text': 'so that the sysadmin can very well find out that whether there is DDoS attack or there is a penetration attack going on on a particular application,', 'start': 399.048, 'duration': 8.961}, {'end': 411.29, 'text': 'and this can helps us to prevent the attack.', 'start': 408.009, 'duration': 3.281}, {'end': 414.972, 'text': 'from the external intruders performance analysis.', 'start': 411.85, 'duration': 3.122}, {'end': 424.176, 'text': 'Yes, logs helps us to analyze the performance as well, because it gives you an idea about how well your application is performing.', 'start': 415.432, 'duration': 8.744}, {'end': 428.778, 'text': "like suppose, you're going through the logs and you figured out that the application is performing slow.", 'start': 424.176, 'duration': 4.602}, {'end': 432.199, 'text': 'and what is causing the application to perform slow.', 'start': 429.438, 'duration': 2.761}, {'end': 433.92, 'text': 'So through logs.', 'start': 432.579, 'duration': 1.341}, {'end': 435.601, 'text': 'through analyzing the logs,', 'start': 433.92, 'duration': 1.681}], 'summary': 'Server logs aid in security monitoring, detecting ddos and penetration attacks, and analyzing application performance.', 'duration': 49.635, 'max_score': 385.966, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE385966.jpg'}, {'end': 491.025, 'src': 'embed', 'start': 459.31, 'weight': 7, 'content': [{'end': 463.592, 'text': 'Now, if there is a case where one application is dependent upon the other application,', 'start': 459.31, 'duration': 4.282}, {'end': 468.193, 'text': "then in that case the debugging of the iot's comes into picture.", 'start': 463.592, 'duration': 4.601}, {'end': 470.554, 'text': 'iot is something called the Internet of Things,', 'start': 468.193, 'duration': 2.361}, {'end': 480.118, 'text': 'where the data is collected from a receiver or from a sensor and it is being sent across to the cloud for analysis or for further actions.', 'start': 470.554, 'duration': 9.564}, {'end': 482.299, 'text': 'So this is something called the Internet of Things.', 'start': 480.498, 'duration': 1.801}, {'end': 484.26, 'text': 'This is very popular nowadays.', 'start': 482.839, 'duration': 1.421}, {'end': 491.025, 'text': 'We have lot of devices which are coming nowadays, which are called smart devices, like the inverter or air conditioners,', 'start': 484.7, 'duration': 6.325}], 'summary': 'Debugging iot applications is crucial for interdependent systems. iot gathers data from sensors, sending it to the cloud for analysis, and is increasingly popular with the rise of smart devices.', 'duration': 31.715, 'max_score': 459.31, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE459310.jpg'}], 'start': 79.455, 'title': 'Log analysis', 'summary': 'Emphasizes the importance of log analysis for it operations, stressing the need for centralized log storage and the inefficiencies of decentralized log analysis. it also discusses the benefits of using the elk stack and highlights how log analysis aids in issue debugging, predictive analysis, security analysis, performance analysis, and internet of things management.', 'chapters': [{'end': 261.488, 'start': 79.455, 'title': 'The importance of log analysis', 'summary': 'Emphasizes the critical role of log analysis in it operations, highlighting the need for centralized log storage and the inefficiencies of decentralized log analysis, along with the benefits of using the elk stack.', 'duration': 182.033, 'highlights': ['Log analysis is crucial for understanding application performance and identifying potential issues, as each application generates logs that provide insights into its functionality and possible future problems. None', 'Emphasizes the significance of learning how to read and analyze logs as a fundamental skill for administrators to effectively monitor application performance and troubleshoot issues. None', 'Centralized log storage is recommended to streamline the troubleshooting process and avoid the inefficiencies and complexities of decentralized log analysis, which can be time-consuming and impractical. None', 'Decentralized log analysis, where logs are generated on individual web servers, is highlighted as a less ideal approach due to its time-consuming and arduous nature, making it challenging to resolve issues efficiently. None', 'Introduction to the benefits of using the Elk stack for log analysis, indicating its potential to enhance the efficiency and effectiveness of log analysis processes in an IT environment. None']}, {'end': 502.753, 'start': 262.279, 'title': 'Log analysis for data insights', 'summary': 'Discusses the process of log analysis, its importance for issue debugging, predictive analysis, security analysis, performance analysis, and internet of things, emphasizing how analyzing logs helps in identifying and resolving issues, predicting potential errors, detecting security threats, optimizing performance, and managing internet of things devices.', 'duration': 240.474, 'highlights': ['Logs are unstructured data that need to be collected, extracted, and analyzed to obtain information. The process of log analysis involves collecting unstructured log data, extracting important information, and analyzing the data to obtain results.', 'Log analysis is crucial for issue debugging and predictive analysis to identify and resolve production issues and predict potential errors. Log analysis is essential for debugging production issues and predicting potential errors, thereby reducing their occurrence.', 'Security analysis using logs helps in detecting and preventing attacks, such as DDoS or penetration attacks. Logs aid in security analysis by detecting and preventing attacks, such as DDoS or penetration attacks, thus enhancing application security.', 'Log analysis enables performance analysis by identifying factors causing slow application performance and degradation. Logs facilitate performance analysis by identifying factors causing slow application performance and degradation, leading to optimization.', 'Internet of Things (IoT) debugging is vital for applications dependent on IoT devices, involving data collection, analysis, and action execution. IoT debugging is crucial for applications dependent on IoT devices, involving data collection, analysis, and action execution based on the received data.']}], 'duration': 423.298, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE79455.jpg', 'highlights': ['Centralized log storage is recommended to streamline the troubleshooting process and avoid the inefficiencies and complexities of decentralized log analysis, which can be time-consuming and impractical.', 'Emphasizes the significance of learning how to read and analyze logs as a fundamental skill for administrators to effectively monitor application performance and troubleshoot issues.', 'Log analysis is crucial for understanding application performance and identifying potential issues, as each application generates logs that provide insights into its functionality and possible future problems.', 'Introduction to the benefits of using the Elk stack for log analysis, indicating its potential to enhance the efficiency and effectiveness of log analysis processes in an IT environment.', 'Log analysis is crucial for issue debugging and predictive analysis to identify and resolve production issues and predict potential errors. Log analysis is essential for debugging production issues and predicting potential errors, thereby reducing their occurrence.', 'Security analysis using logs helps in detecting and preventing attacks, such as DDoS or penetration attacks. Logs aid in security analysis by detecting and preventing attacks, such as DDoS or penetration attacks, thus enhancing application security.', 'Log analysis enables performance analysis by identifying factors causing slow application performance and degradation. Logs facilitate performance analysis by identifying factors causing slow application performance and degradation, leading to optimization.', 'Internet of Things (IoT) debugging is vital for applications dependent on IoT devices, involving data collection, analysis, and action execution. IoT debugging is crucial for applications dependent on IoT devices, involving data collection, analysis, and action execution based on the received data.', 'Decentralized log analysis, where logs are generated on individual web servers, is highlighted as a less ideal approach due to its time-consuming and arduous nature, making it challenging to resolve issues efficiently.']}, {'end': 1199.595, 'segs': [{'end': 601.128, 'src': 'embed', 'start': 556.764, 'weight': 3, 'content': [{'end': 560.647, 'text': 'So this is what we call the non-consistent log format.', 'start': 556.764, 'duration': 3.883}, {'end': 569.512, 'text': 'So we need to be aware about the syntax like how to read the syntax or how to read the log of a particular application.', 'start': 561.047, 'duration': 8.465}, {'end': 572.815, 'text': 'These are some of the challenges which we have in our environment,', 'start': 570.133, 'duration': 2.682}, {'end': 582.081, 'text': 'where we have a heterogeneous environment of multiple applications and at times we keep on scratching our head thinking about what exactly is going on.', 'start': 572.815, 'duration': 9.266}, {'end': 587.99, 'text': "There are, at times when we just don't understand, Non-consistent time format.", 'start': 582.921, 'duration': 5.069}, {'end': 596.782, 'text': 'non-consistent time format means each and every application may have different time format configured like suppose some may have the UTC time,', 'start': 587.99, 'duration': 8.792}, {'end': 599.726, 'text': 'some may have the central time, some may have the Eastern time.', 'start': 596.782, 'duration': 2.944}, {'end': 601.128, 'text': 'These are some of the things.', 'start': 600.166, 'duration': 0.962}], 'summary': 'Challenges in reading non-consistent log formats and time configurations in heterogeneous environment.', 'duration': 44.364, 'max_score': 556.764, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE556764.jpg'}, {'end': 715.436, 'src': 'embed', 'start': 665.106, 'weight': 5, 'content': [{'end': 674.689, 'text': 'Decentralized logs means each and every logs are running on different servers which are located all across for visualizing,', 'start': 665.106, 'duration': 9.583}, {'end': 676.929, 'text': 'for digging down on troubleshooting further.', 'start': 674.689, 'duration': 2.24}, {'end': 682.791, 'text': 'We have to log into each and every server and we have to you know, check what exactly is going on.', 'start': 677.23, 'duration': 5.561}, {'end': 690.433, 'text': "This is also a challenge with log analysis unless and until we don't find a way out where we can overcome these challenges.", 'start': 683.251, 'duration': 7.182}, {'end': 692.394, 'text': 'We do have a way out actually.', 'start': 691.074, 'duration': 1.32}, {'end': 693.939, 'text': 'Expert knowledge.', 'start': 693.138, 'duration': 0.801}, {'end': 698.142, 'text': "So everyone generally in the team don't have access to logs.", 'start': 694.319, 'duration': 3.823}, {'end': 707.049, 'text': 'Generally These are some of the L2 or L3 people who have the technical expertise of understanding and reading the information from the logs.', 'start': 698.582, 'duration': 8.467}, {'end': 712.353, 'text': 'So this can also helps in reduce the time for resolution of a problem.', 'start': 707.509, 'duration': 4.844}, {'end': 715.436, 'text': 'So these are some of the log management tools.', 'start': 712.834, 'duration': 2.602}], 'summary': 'Decentralized logs require expert knowledge for efficient analysis and troubleshooting.', 'duration': 50.33, 'max_score': 665.106, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE665106.jpg'}, {'end': 849.133, 'src': 'heatmap', 'start': 799.283, 'weight': 0.998, 'content': [{'end': 807.289, 'text': "So let's understand what these three components do, because these three components are together making up the ELK stack.", 'start': 799.283, 'duration': 8.006}, {'end': 810.992, 'text': 'each and every of these three components have their own roles to play.', 'start': 807.289, 'duration': 3.703}, {'end': 814.314, 'text': "Let's understand what's Elasticsearch is.", 'start': 811.512, 'duration': 2.802}, {'end': 824.842, 'text': 'Elasticsearch is a tool which plays major role in storing the logs in the JSON format, indexing it and allowing the searching of the logs.', 'start': 814.314, 'duration': 10.528}, {'end': 828.446, 'text': "Now, let's understand what Elasticsearch is.", 'start': 825.504, 'duration': 2.942}, {'end': 834.749, 'text': 'This is a tool which generally works on the data which has been collecting.', 'start': 829.086, 'duration': 5.663}, {'end': 840.233, 'text': 'the data which has been collected is being converted into or it has been indexed,', 'start': 834.749, 'duration': 5.484}, {'end': 845.716, 'text': 'so that it can be retrieved into our useful information whenever we want to.', 'start': 840.233, 'duration': 5.483}, {'end': 849.133, 'text': 'This is the main role of Elasticsearch features.', 'start': 846.272, 'duration': 2.861}], 'summary': 'Elk stack comprises elasticsearch for indexing and searching logs in json format.', 'duration': 49.85, 'max_score': 799.283, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE799283.jpg'}, {'end': 840.233, 'src': 'embed', 'start': 814.314, 'weight': 0, 'content': [{'end': 824.842, 'text': 'Elasticsearch is a tool which plays major role in storing the logs in the JSON format, indexing it and allowing the searching of the logs.', 'start': 814.314, 'duration': 10.528}, {'end': 828.446, 'text': "Now, let's understand what Elasticsearch is.", 'start': 825.504, 'duration': 2.942}, {'end': 834.749, 'text': 'This is a tool which generally works on the data which has been collecting.', 'start': 829.086, 'duration': 5.663}, {'end': 840.233, 'text': 'the data which has been collected is being converted into or it has been indexed,', 'start': 834.749, 'duration': 5.484}], 'summary': 'Elasticsearch indexes and searches logs in json format.', 'duration': 25.919, 'max_score': 814.314, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE814314.jpg'}, {'end': 983.679, 'src': 'embed', 'start': 956.946, 'weight': 1, 'content': [{'end': 965.531, 'text': 'What exactly is logstash? Logstash is an open source tool which used to collect parse and filter syslogs as the input.', 'start': 956.946, 'duration': 8.585}, {'end': 972.237, 'text': 'Some of the features of this is data pipeline tool, centralized the data processing.', 'start': 966.315, 'duration': 5.922}, {'end': 978.118, 'text': 'it collects parts and analyze the large variety of structured and unstructured data and events.', 'start': 972.237, 'duration': 5.881}, {'end': 983.679, 'text': 'it provide plug-in to connect to various type of inputs, sources and platform.', 'start': 978.118, 'duration': 5.561}], 'summary': 'Logstash is an open source tool for collecting and analyzing syslogs, with capabilities for centralized data processing and connecting to various types of inputs and platforms.', 'duration': 26.733, 'max_score': 956.946, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE956946.jpg'}, {'end': 1063.605, 'src': 'heatmap', 'start': 937.674, 'weight': 2, 'content': [{'end': 947.08, 'text': "So Elasticsearch is not only working with ELK stack, but it's a separate product which helps us in doing the indexing upon the information,", 'start': 937.674, 'duration': 9.406}, {'end': 956.265, 'text': "like suppose it's more or less like a big data thing, where we are working upon a huge volume of data and we are extracting information out of it.", 'start': 947.08, 'duration': 9.185}, {'end': 965.531, 'text': 'What exactly is logstash? Logstash is an open source tool which used to collect parse and filter syslogs as the input.', 'start': 956.946, 'duration': 8.585}, {'end': 972.237, 'text': 'Some of the features of this is data pipeline tool, centralized the data processing.', 'start': 966.315, 'duration': 5.922}, {'end': 978.118, 'text': 'it collects parts and analyze the large variety of structured and unstructured data and events.', 'start': 972.237, 'duration': 5.881}, {'end': 983.679, 'text': 'it provide plug-in to connect to various type of inputs, sources and platform.', 'start': 978.118, 'duration': 5.561}, {'end': 989.261, 'text': 'So what do the log stash do whatever data which is coming from the servers.', 'start': 984.12, 'duration': 5.141}, {'end': 992.082, 'text': 'It is being centrally taken,', 'start': 989.721, 'duration': 2.361}, {'end': 1002.959, 'text': 'or it is being centrally pulled by this tool into a central place and it is further kept at a place where the Elasticsearch work upon that data.', 'start': 992.082, 'duration': 10.877}, {'end': 1009.802, 'text': 'So its main role is to collect parts and filter the syslog data as the input.', 'start': 1003.459, 'duration': 6.343}, {'end': 1013.483, 'text': 'So it works as a pipeline where, from one end,', 'start': 1010.182, 'duration': 3.301}, {'end': 1019.626, 'text': 'the data is input from the servers which are there in the server farm or which is there in your environment.', 'start': 1013.483, 'duration': 6.143}, {'end': 1026.412, 'text': 'From the other end, Elasticsearch takes out the data and convert it into useful information.', 'start': 1020.186, 'duration': 6.226}, {'end': 1028.755, 'text': 'So it works as a data pipeline.', 'start': 1026.953, 'duration': 1.802}, {'end': 1035.82, 'text': 'It centralized the data processing and it collects and parse and analyze the structured and unstructured data.', 'start': 1029.435, 'duration': 6.385}, {'end': 1038.243, 'text': "Let's understand what Kibana is.", 'start': 1036.622, 'duration': 1.621}, {'end': 1045.633, 'text': 'Kibana is a web interface which is allowing us to search display and compile the data.', 'start': 1038.948, 'duration': 6.685}, {'end': 1053.318, 'text': 'So this is the guy which is responsible for presenting the data in the visual format in your user interface.', 'start': 1045.992, 'duration': 7.326}, {'end': 1059.202, 'text': 'So it has a very handsome user interface which is capable of designing the charts,', 'start': 1053.798, 'duration': 5.404}, {'end': 1063.605, 'text': 'bar graphs and whatever reports you want to give it to your manager.', 'start': 1059.202, 'duration': 4.403}], 'summary': 'Elasticsearch, logstash, and kibana work together to collect, parse, and analyze large volumes of structured and unstructured data for indexing and visualization.', 'duration': 24.657, 'max_score': 937.674, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE937674.jpg'}, {'end': 1187.005, 'src': 'heatmap', 'start': 1137.008, 'weight': 0.742, 'content': [{'end': 1140.669, 'text': 'you gets to know those valuable information at the first site.', 'start': 1137.008, 'duration': 3.661}, {'end': 1143.891, 'text': 'So Kibana do have that capability in it.', 'start': 1141.25, 'duration': 2.641}, {'end': 1148.093, 'text': 'So we can very well customize the dashboard according to our requirements.', 'start': 1144.431, 'duration': 3.662}, {'end': 1153.505, 'text': 'So whatever information which has been collected by Elasticsearch is being presented to Kibana.', 'start': 1148.76, 'duration': 4.745}, {'end': 1156.808, 'text': "Let's understand how do the ELK stack works.", 'start': 1154.005, 'duration': 2.803}, {'end': 1163.014, 'text': 'So these are some of the servers which are maintaining their own logs in their own directories.', 'start': 1157.529, 'duration': 5.485}, {'end': 1172.103, 'text': 'how the ELK stack is helping here is it is collecting the log at a central place from these servers, pulling out the logs with the help of log stach,', 'start': 1163.014, 'duration': 9.089}, {'end': 1172.544, 'text': 'of course.', 'start': 1172.103, 'duration': 0.441}, {'end': 1181.621, 'text': 'Next, Elasticsearch is working upon that data which is there in the data pipeline which has been collected by Logstash,', 'start': 1173.254, 'duration': 8.367}, {'end': 1187.005, 'text': 'and it uses the search and analysis to index the data into useful information.', 'start': 1181.621, 'duration': 5.384}], 'summary': 'Kibana customizes dashboard, elk stack collects logs at central place, and elasticsearch analyzes data for useful information.', 'duration': 49.997, 'max_score': 1137.008, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1137008.jpg'}], 'start': 503.354, 'title': 'Log analysis challenges and elk stack', 'summary': 'Discusses challenges in log analysis, including non-consistent log and time formats, decentralized logs, and expert knowledge requirement, impacting troubleshooting. it also introduces elk stack, with elasticsearch playing a major role in storing, indexing, and searching logs in json format, used by companies like guardian, stumbleupon, and wikipedia.', 'chapters': [{'end': 715.436, 'start': 503.354, 'title': 'Challenges in log analysis', 'summary': 'Discusses the challenges in log analysis, including non-consistent log format, non-consistent time format, decentralized logs, and expert knowledge requirement, impacting troubleshooting and resolution time.', 'duration': 212.082, 'highlights': ['Non-consistent log format Different web applications have their own syntax for producing logs, leading to challenges in reading log syntax and understanding logs from multiple applications in a heterogeneous environment.', 'Non-consistent time format Applications may have different time formats configured, such as UTC, Central, and Eastern time, posing challenges in understanding and correlating log timestamps.', 'Decentralized logs Logs are located in a decentralized manner across different servers, requiring logging into each server for troubleshooting, which impacts log visualization and analysis.', 'Expert knowledge requirement Limited access to log directories and the need for technical expertise in log analysis by L2 or L3 personnel, impacting the time taken to resolve problems.']}, {'end': 1199.595, 'start': 716.096, 'title': 'Understanding elk stack and its components', 'summary': 'Introduces elk stack, a log management tool platform consisting of elasticsearch, logstash, and kibana, with elasticsearch playing a major role in storing, indexing, and searching logs in json format, and is used by companies like guardian, stumbleupon, and wikipedia.', 'duration': 483.499, 'highlights': ['Elasticsearch plays a major role in storing, indexing, and searching logs in JSON format and is used by companies like Guardian, StumbleUpon, and Wikipedia. Elasticsearch is a tool that plays a major role in storing the logs in JSON format, indexing it, and allowing the searching of the logs. It is used by companies like Guardian, StumbleUpon, and Wikipedia.', 'Logstash is a tool used to collect, parse, and filter syslog data as the input, and it centrally processes structured and unstructured data from various sources. Logstash is an open source tool used to collect, parse, and filter syslog data as the input. It centrally processes structured and unstructured data from various sources.', 'Kibana is a web interface responsible for presenting data in visual formats, providing real-time access, summarization, charting, and debugging capabilities. Kibana is a web interface responsible for presenting data in visual formats and providing real-time access, summarization, charting, and debugging capabilities.']}], 'duration': 696.241, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE503354.jpg', 'highlights': ['Elasticsearch plays a major role in storing, indexing, and searching logs in JSON format and is used by companies like Guardian, StumbleUpon, and Wikipedia.', 'Logstash is a tool used to collect, parse, and filter syslog data as the input, and it centrally processes structured and unstructured data from various sources.', 'Kibana is a web interface responsible for presenting data in visual formats, providing real-time access, summarization, charting, and debugging capabilities.', 'Non-consistent log format Different web applications have their own syntax for producing logs, leading to challenges in reading log syntax and understanding logs from multiple applications in a heterogeneous environment.', 'Non-consistent time format Applications may have different time formats configured, such as UTC, Central, and Eastern time, posing challenges in understanding and correlating log timestamps.', 'Decentralized logs Logs are located in a decentralized manner across different servers, requiring logging into each server for troubleshooting, which impacts log visualization and analysis.', 'Expert knowledge requirement Limited access to log directories and the need for technical expertise in log analysis by L2 or L3 personnel, impacting the time taken to resolve problems.']}, {'end': 1811.134, 'segs': [{'end': 1249.971, 'src': 'embed', 'start': 1200.282, 'weight': 0, 'content': [{'end': 1203.065, 'text': 'So this is what Elk stack is.', 'start': 1200.282, 'duration': 2.783}, {'end': 1209.111, 'text': 'There are a lot of products there in the market which are licensed based trust me guys.', 'start': 1203.745, 'duration': 5.366}, {'end': 1215.437, 'text': 'I mean it is very much competitive as compared to those licensed products which are there in the market,', 'start': 1209.551, 'duration': 5.886}, {'end': 1218.52, 'text': 'plus being the advantage of an open source product.', 'start': 1215.437, 'duration': 3.083}, {'end': 1221.443, 'text': 'You can very well customize it as per your requirement.', 'start': 1219.02, 'duration': 2.423}, {'end': 1224.666, 'text': "So the best part about this product is it's an open source.", 'start': 1221.943, 'duration': 2.723}, {'end': 1228.026, 'text': "So let's see what all companies use Elk stack.", 'start': 1225.405, 'duration': 2.621}, {'end': 1241.449, 'text': 'So these are the companies who use Elk stack Netflix stack flow Accenture LinkedIn medium tripwire IFTTT open stack very famous hips chat SWAT IO.', 'start': 1228.486, 'duration': 12.963}, {'end': 1249.971, 'text': 'So these are some of the companies which use Elk stack in their environment for managing their applications like suppose Netflix.', 'start': 1241.949, 'duration': 8.022}], 'summary': 'Elk stack is open source, competitive, and used by companies like netflix, linkedin, and accenture.', 'duration': 49.689, 'max_score': 1200.282, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1200282.jpg'}, {'end': 1337.553, 'src': 'embed', 'start': 1304.145, 'weight': 2, 'content': [{'end': 1310.368, 'text': "So this is the node from where I'm actually I have the LK stack running right now.", 'start': 1304.145, 'duration': 6.223}, {'end': 1322.673, 'text': 'And if you could see here, it is able to fetch the queries from my respective servers, which I have configured Jenkins puppet node.', 'start': 1310.948, 'duration': 11.725}, {'end': 1325.514, 'text': 'Let me show you my dashboard environment.', 'start': 1323.773, 'duration': 1.741}, {'end': 1337.553, 'text': 'So the Kibana dashboard will open through the URL of the IP address of the server or or the hostname fqdn the port number will be 5601.', 'start': 1326.943, 'duration': 10.61}], 'summary': 'Lk stack fetches queries from servers and opens kibana dashboard at ip/hostname:port 5601.', 'duration': 33.408, 'max_score': 1304.145, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1304145.jpg'}, {'end': 1507.679, 'src': 'embed', 'start': 1480.325, 'weight': 3, 'content': [{'end': 1490.592, 'text': 'most of the information visualize will help you to visualize the information in the form of different visualizations, like charts, like graphs,', 'start': 1480.325, 'duration': 10.267}, {'end': 1495.215, 'text': 'like Maps, like line charts, vertical charts and all those things.', 'start': 1490.592, 'duration': 4.623}, {'end': 1502.716, 'text': 'All these presentation can be saved and it can be presented on your dashboard.', 'start': 1496.091, 'duration': 6.625}, {'end': 1507.679, 'text': 'So as I said before you can very well customize the dashboard as per your requirement.', 'start': 1502.776, 'duration': 4.903}], 'summary': 'The tool allows visualization of data through various types of charts and graphs, which can be saved and customized on the dashboard.', 'duration': 27.354, 'max_score': 1480.325, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1480325.jpg'}, {'end': 1580.784, 'src': 'embed', 'start': 1553.343, 'weight': 4, 'content': [{'end': 1560.669, 'text': 'You can do it as a relative search, like from what time duration you want the log interval to be like, suppose,', 'start': 1553.343, 'duration': 7.326}, {'end': 1566.413, 'text': 'if you want to search the log from a particular time duration one day ago, two day ago, a week ago.', 'start': 1560.669, 'duration': 5.744}, {'end': 1570.456, 'text': 'So these are some of the default which you can use here.', 'start': 1566.893, 'duration': 3.563}, {'end': 1575.44, 'text': 'If there is some specific time interval, which you are particularly looking for.', 'start': 1571.116, 'duration': 4.324}, {'end': 1580.784, 'text': 'So this is the tab which can help you, where you can just enter the time duration, quick hit,', 'start': 1575.48, 'duration': 5.304}], 'summary': 'Use relative search or specific time intervals for log search.', 'duration': 27.441, 'max_score': 1553.343, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1553343.jpg'}, {'end': 1650.062, 'src': 'embed', 'start': 1624.91, 'weight': 5, 'content': [{'end': 1632.178, 'text': 'Right now feel beat is collecting the information and present to the cabana in the upcoming releases.', 'start': 1624.91, 'duration': 7.268}, {'end': 1640.727, 'text': 'You may have an option to upload the patterns to upload the data directly through cabana to the Elasticsearch.', 'start': 1632.238, 'duration': 8.489}, {'end': 1647.419, 'text': 'So there will be a tab to upload the format and then we will be able to visualize the graphs.', 'start': 1641.431, 'duration': 5.988}, {'end': 1650.062, 'text': 'So for a situation where, you know,', 'start': 1647.859, 'duration': 2.203}], 'summary': 'Beat is collecting information for cabana releases, enabling direct data upload to elasticsearch and visualizing graphs.', 'duration': 25.152, 'max_score': 1624.91, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1624910.jpg'}, {'end': 1781.228, 'src': 'embed', 'start': 1755.009, 'weight': 6, 'content': [{'end': 1759.892, 'text': 'It will give you the log source if in case you want to see the log source.', 'start': 1755.009, 'duration': 4.883}, {'end': 1763.615, 'text': 'So this is how you can very well access the information here.', 'start': 1760.633, 'duration': 2.982}, {'end': 1770.32, 'text': 'One thing more which I want to show you each and every search you have an option to do a new search.', 'start': 1764.736, 'duration': 5.584}, {'end': 1777.686, 'text': 'to save the existing search and if in case you want to load the save search you can also do that.', 'start': 1771.522, 'duration': 6.164}, {'end': 1781.228, 'text': 'So if in case I want to save this search.', 'start': 1778.626, 'duration': 2.602}], 'summary': 'Demonstrates accessing log source, saving and loading searches.', 'duration': 26.219, 'max_score': 1755.009, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1755009.jpg'}], 'start': 1200.282, 'title': 'Elk stack and kibana data visualization', 'summary': 'Provides an overview of elk stack, highlighting its open-source advantage and notable users. it also includes a demonstration of setting up and configuring the kibana dashboard for log visualization. additionally, it discusses configuring index patterns, visualizing data through various charts and graphs, searching and exporting data, and the ability to save and load searches in kibana for efficient monitoring and analysis.', 'chapters': [{'end': 1435.329, 'start': 1200.282, 'title': 'Introduction to elk stack and its implementation', 'summary': 'Provides an overview of elk stack, highlighting its open-source advantage, and lists companies using it, such as netflix, linkedin, and medium. it also includes a demonstration of setting up and configuring the kibana dashboard for log visualization in a production environment.', 'duration': 235.047, 'highlights': ['Elk stack is an open-source product, providing a competitive alternative to licensed products in the market. Emphasizes the competitive advantage of Elk stack as an open-source product compared to licensed products, increasing its market appeal.', 'Companies like Netflix, LinkedIn, and Medium use Elk stack for managing their applications. Lists prominent companies, such as Netflix, LinkedIn, and Medium, utilizing Elk stack for application management, showcasing its widespread adoption and credibility.', 'A demonstration of setting up and configuring the Kibana dashboard for log visualization in a production environment is provided. Describes setting up and configuring the Kibana dashboard for log visualization in a production environment, showcasing practical implementation and functionality.']}, {'end': 1811.134, 'start': 1436.016, 'title': 'Configuring and visualizing data in kibana', 'summary': 'Discusses configuring index patterns, visualizing data through various charts and graphs, searching and exporting data, and the ability to save and load searches in kibana for efficient monitoring and analysis.', 'duration': 375.118, 'highlights': ['Kibana allows visualizing information through various visualizations like charts, graphs, and maps which can be customized and presented on the dashboard.', 'The ability to search and analyze logs based on specific time intervals and search patterns, providing flexibility in monitoring and analysis.', 'Option to upload and visualize data directly through Kibana to Elasticsearch, facilitating efficient data management and visualization.', 'The capability to save and load searches, enabling users to efficiently monitor and analyze data in Kibana.']}], 'duration': 610.852, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1200282.jpg', 'highlights': ['Elk stack is an open-source product, providing a competitive alternative to licensed products in the market.', 'Companies like Netflix, LinkedIn, and Medium use Elk stack for managing their applications.', 'A demonstration of setting up and configuring the Kibana dashboard for log visualization in a production environment is provided.', 'Kibana allows visualizing information through various visualizations like charts, graphs, and maps which can be customized and presented on the dashboard.', 'The ability to search and analyze logs based on specific time intervals and search patterns, providing flexibility in monitoring and analysis.', 'Option to upload and visualize data directly through Kibana to Elasticsearch, facilitating efficient data management and visualization.', 'The capability to save and load searches, enabling users to efficiently monitor and analyze data in Kibana.']}, {'end': 2124.678, 'segs': [{'end': 1851.922, 'src': 'embed', 'start': 1812.248, 'weight': 0, 'content': [{'end': 1814.85, 'text': 'Actually what happened day before yesterday.', 'start': 1812.248, 'duration': 2.602}, {'end': 1819.213, 'text': 'I was just trying to configure these and one thing which you always have to keep in mind.', 'start': 1814.87, 'duration': 4.343}, {'end': 1823.075, 'text': 'You should have the time synchrony in place with all your nodes.', 'start': 1819.293, 'duration': 3.782}, {'end': 1831.381, 'text': 'What I really mean to say is all your node should be time synchronous with respect to your external NTP server, or however you want to do like.', 'start': 1824.216, 'duration': 7.165}, {'end': 1835.477, 'text': 'So you should have or the time synchronization in place.', 'start': 1832.276, 'duration': 3.201}, {'end': 1839.458, 'text': 'There should not be a major difference in the time synchronization.', 'start': 1836.197, 'duration': 3.261}, {'end': 1844, 'text': 'Otherwise you may not be able to get that data which you are actually looking for in the LK stack.', 'start': 1839.598, 'duration': 4.402}, {'end': 1851.922, 'text': 'like, suppose, I have a web server which is not running with the time synchronization and it is having some other server time,', 'start': 1844, 'duration': 7.922}], 'summary': 'Time synchronization is crucial for all nodes to ensure data accuracy and accessibility in the lk stack.', 'duration': 39.674, 'max_score': 1812.248, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1812248.jpg'}, {'end': 1926.28, 'src': 'embed', 'start': 1875.789, 'weight': 3, 'content': [{'end': 1879.57, 'text': "So I'll show you how do we show the information based on the pie chart.", 'start': 1875.789, 'duration': 3.781}, {'end': 1888.294, 'text': 'We have an option of from the save search, like, suppose, if you have saved a particular search, like I did for the Tomcat.', 'start': 1880.35, 'duration': 7.944}, {'end': 1893.036, 'text': 'if you want to create the reports based on that, you can select this option.', 'start': 1888.294, 'duration': 4.742}, {'end': 1899.5, 'text': 'or if you want to create the graphs using the pie chart, using the new search, you can hit here.', 'start': 1893.036, 'duration': 6.464}, {'end': 1905.803, 'text': 'So this will give you a pie chart where you can very well use the aggregations.', 'start': 1900.22, 'duration': 5.583}, {'end': 1909.689, 'text': 'But before that we need to understand what aggregations are.', 'start': 1906.747, 'duration': 2.942}, {'end': 1914.172, 'text': 'aggregations are some way to present the information and whatever.', 'start': 1909.689, 'duration': 4.483}, {'end': 1918.275, 'text': 'all these documents are stored at the back end in the form of buckets.', 'start': 1914.172, 'duration': 4.103}, {'end': 1923.258, 'text': 'So I am kind of creating a bucket here for my customization.', 'start': 1918.895, 'duration': 4.363}, {'end': 1926.28, 'text': 'Like. how do I present the back-end information here?', 'start': 1923.338, 'duration': 2.942}], 'summary': 'Show information using pie chart, create reports from saved searches, use aggregations for pie chart graphs.', 'duration': 50.491, 'max_score': 1875.789, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1875789.jpg'}, {'end': 2078.239, 'src': 'embed', 'start': 2049.337, 'weight': 4, 'content': [{'end': 2053.759, 'text': 'So process information in the form of doughnut.', 'start': 2049.337, 'duration': 4.422}, {'end': 2060.764, 'text': 'saved So this is how we use the pie charts.', 'start': 2056.562, 'duration': 4.202}, {'end': 2068.031, 'text': "Let's go to the visualization tab again, like suppose what I can you do here is the line chart.", 'start': 2061.485, 'duration': 6.546}, {'end': 2070.672, 'text': 'So here also you have those two options.', 'start': 2068.511, 'duration': 2.161}, {'end': 2074.416, 'text': 'You can do it from the safe search on you can do it from a new search.', 'start': 2071.214, 'duration': 3.202}, {'end': 2078.239, 'text': 'So save search is an option like suppose in the production environment.', 'start': 2075.036, 'duration': 3.203}], 'summary': 'Using pie charts and line charts for visualization, with options for saving searches.', 'duration': 28.902, 'max_score': 2049.337, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE2049337.jpg'}], 'start': 1812.248, 'title': 'Time synchronization and data visualization', 'summary': 'Emphasizes the importance of time synchronization in node configuration for accurate data retrieval in the lk stack, along with exploring the process of visualizing data using pie and line charts, focusing on custom visualization creation, aggregations, and chart configurations.', 'chapters': [{'end': 1851.922, 'start': 1812.248, 'title': 'Importance of time synchronization in node configuration', 'summary': 'Emphasizes the importance of time synchronization in node configuration, highlighting the need for time synchrony across all nodes to ensure accurate data retrieval in the lk stack and the potential issues arising from major differences in time synchronization.', 'duration': 39.674, 'highlights': ['The importance of time synchrony in node configuration is emphasized, as it is crucial for accurate data retrieval in the LK stack.', 'All nodes should be time synchronous with an external NTP server to ensure accurate data retrieval in the LK stack.', 'The potential issues arising from major differences in time synchronization are highlighted, as they can lead to the inability to retrieve the desired data in the LK stack.']}, {'end': 2124.678, 'start': 1851.922, 'title': 'Visualizing data with pie charts and line charts', 'summary': 'Explores how to visualize data using pie charts and line charts, demonstrating the process of creating custom visualizations and understanding aggregations, with an emphasis on pie chart configurations and the use of saved search patterns in the visualization process.', 'duration': 272.756, 'highlights': ['The chapter explores how to visualize data using pie charts and line charts. The transcript discusses the process of visualizing data through pie charts and line charts, demonstrating the steps involved in creating custom visualizations.', 'Understanding aggregations and creating custom buckets for back-end information. The transcript explains the concept of aggregations as a way to present information and the creation of custom buckets for organizing back-end data.', 'Demonstrating the use of saved search patterns in creating reports and graphs. The speaker illustrates the utilization of saved search patterns to create reports and graphs based on specific search patterns, offering a practical application of this feature.']}], 'duration': 312.43, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE1812248.jpg', 'highlights': ['All nodes should be time synchronous with an external NTP server to ensure accurate data retrieval in the LK stack.', 'The importance of time synchrony in node configuration is emphasized, as it is crucial for accurate data retrieval in the LK stack.', 'The potential issues arising from major differences in time synchronization are highlighted, as they can lead to the inability to retrieve the desired data in the LK stack.', 'Understanding aggregations and creating custom buckets for back-end information. The transcript explains the concept of aggregations as a way to present information and the creation of custom buckets for organizing back-end data.', 'The chapter explores how to visualize data using pie charts and line charts. The transcript discusses the process of visualizing data through pie charts and line charts, demonstrating the steps involved in creating custom visualizations.', 'Demonstrating the use of saved search patterns in creating reports and graphs. The speaker illustrates the utilization of saved search patterns to create reports and graphs based on specific search patterns, offering a practical application of this feature.']}, {'end': 2415.31, 'segs': [{'end': 2152.084, 'src': 'embed', 'start': 2125.178, 'weight': 0, 'content': [{'end': 2132.882, 'text': 'So you can also have a granular if in case you want to input based on Jason every tab has an option for a Jason input.', 'start': 2125.178, 'duration': 7.704}, {'end': 2138.024, 'text': 'So if in case you want to input something in the Jason format, it will present it to you.', 'start': 2133.402, 'duration': 4.622}, {'end': 2145.64, 'text': "field like suppose I'm using the log source.", 'start': 2138.797, 'duration': 6.843}, {'end': 2149.322, 'text': 'so for Tomcat and puppet node it is showing the log source.', 'start': 2145.64, 'duration': 3.682}, {'end': 2152.084, 'text': 'log source means that will be, I think, the wire log only.', 'start': 2149.322, 'duration': 2.762}], 'summary': 'The tool allows input in json format, with granular options and log source identification for tomcat and puppet node.', 'duration': 26.906, 'max_score': 2125.178, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE2125178.jpg'}, {'end': 2254.391, 'src': 'embed', 'start': 2202.388, 'weight': 1, 'content': [{'end': 2210.572, 'text': 'because you know this is a lab environment and you know the servers from which I am getting the data is itself not running any application.', 'start': 2202.388, 'duration': 8.184}, {'end': 2213.034, 'text': 'So log generations are not very frequent.', 'start': 2210.592, 'duration': 2.442}, {'end': 2219.077, 'text': "But in the production environment you will have hell lot of data and you'll have very beautiful graphs.", 'start': 2213.574, 'duration': 5.503}, {'end': 2223.541, 'text': 'So this is the tab where we can create your own dashboard.', 'start': 2219.978, 'duration': 3.563}, {'end': 2232.468, 'text': 'Want to add a visualization suppose I want to add the donut which I created I can do that here.', 'start': 2225.522, 'duration': 6.946}, {'end': 2238.893, 'text': 'I can present the chart I can present the line here line graph.', 'start': 2232.488, 'duration': 6.405}, {'end': 2242.296, 'text': 'So this is how I can customize my own dashboard.', 'start': 2239.513, 'duration': 2.783}, {'end': 2250.589, 'text': 'Moreover, you can very well drag drop these like suppose if in case you want to bring here.', 'start': 2243.004, 'duration': 7.585}, {'end': 2254.391, 'text': 'Yeah, you can do that.', 'start': 2250.609, 'duration': 3.782}], 'summary': 'In lab environment, data generation is infrequent, but production environment has large data and creates visualizations.', 'duration': 52.003, 'max_score': 2202.388, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE2202388.jpg'}, {'end': 2374.015, 'src': 'embed', 'start': 2279.257, 'weight': 2, 'content': [{'end': 2284.778, 'text': 'Also, It is giving you the option to save the dashboard if, in case you want to load the save dashboard.', 'start': 2279.257, 'duration': 5.521}, {'end': 2287.359, 'text': 'you can very well do that if, in case, you have multiple dashboards.', 'start': 2284.778, 'duration': 2.581}, {'end': 2291.841, 'text': 'So this is the option for sharing adding the visualization.', 'start': 2287.999, 'duration': 3.842}, {'end': 2299.263, 'text': 'So this will give you present the data during that interval only for the interval with which we are really important.', 'start': 2292.561, 'duration': 6.702}, {'end': 2302.807, 'text': 'I think we have pretty much covered all the tabs.', 'start': 2300.043, 'duration': 2.764}, {'end': 2305.069, 'text': 'Let me see if in case I missed something.', 'start': 2303.307, 'duration': 1.762}, {'end': 2312.198, 'text': 'Yes So these are the available fields which we have already covered this tab also we have covered.', 'start': 2306.732, 'duration': 5.466}, {'end': 2316.584, 'text': "So if you would see here I can see the number of hits which I'm getting.", 'start': 2312.539, 'duration': 4.045}, {'end': 2327.847, 'text': 'So each and every page you have will give you an option to save the search or if, in case you want to do a new search,', 'start': 2320.785, 'duration': 7.062}, {'end': 2338.89, 'text': 'you can click here do a new search, like, suppose I want to look for I am not sure if I have Apache with me do have.', 'start': 2327.847, 'duration': 11.043}, {'end': 2348.252, 'text': 'so this will give you the logs related to Apache for that duration which I have selected, and based on this information, you can create the charts.', 'start': 2338.89, 'duration': 9.362}, {'end': 2357.385, 'text': 'So there is a lot which you can do with this dashboard because the customization of the dashboard depends from environment to environment.', 'start': 2349.221, 'duration': 8.164}, {'end': 2359.947, 'text': 'I cannot simulate each and every known it,', 'start': 2357.906, 'duration': 2.041}, {'end': 2367.811, 'text': 'but I can give you an idea about to what level we can extract the information and keep it and use it for our requirement.', 'start': 2359.947, 'duration': 7.864}, {'end': 2374.015, 'text': 'So the customization of this dashboard is as per your operation needs, like, suppose,', 'start': 2368.651, 'duration': 5.364}], 'summary': 'The dashboard provides options for saving, sharing, and customizing data visualization, including the ability to save searches and create charts based on selected data intervals.', 'duration': 94.758, 'max_score': 2279.257, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE2279257.jpg'}], 'start': 2125.178, 'title': 'Customizing dashboards and visualizations', 'summary': 'Explains how to customize dashboards and add visualizations like donut and line graphs, enabling efficient data presentation and sharing, emphasizing on the potential for data visualization in a production environment.', 'chapters': [{'end': 2223.541, 'start': 2125.178, 'title': 'Creating custom dashboards with visualization', 'summary': 'Explains how to create custom dashboards with visualization in kibana, including options for json input, log source identification, process id information, and customizing plugins for data presentation, with the emphasis on the ability to create personalized dashboards and the potential for data visualization in a production environment.', 'duration': 98.363, 'highlights': ['The chapter emphasizes the option for JSON input, log source identification, and process ID information for creating custom dashboards in Kibana.', 'It highlights the ability to customize plugins for data presentation in Kibana, providing flexibility in data visualization.', 'The speaker mentions the limited data in the lab environment but emphasizes the potential for creating beautiful graphs in a production environment with abundant data.']}, {'end': 2299.263, 'start': 2225.522, 'title': 'Customizing dashboards and visualizations', 'summary': 'Discusses how to customize dashboards by adding visualizations like donut and line graphs, as well as the options to drag, drop, resize, and save the dashboard, enabling efficient data presentation and sharing.', 'duration': 73.741, 'highlights': ['The chapter explains the process of customizing dashboards by adding visualizations such as donut and line graphs, demonstrating the ability to present data in a customized manner.', 'It highlights the options to drag, drop, and resize visualizations, facilitating a more descriptive and personalized dashboard presentation.', 'The chapter also emphasizes the feature of saving and loading dashboards, enabling efficient time management and the ability to work with multiple dashboards.']}, {'end': 2415.31, 'start': 2300.043, 'title': 'Customizing dashboard for data analysis', 'summary': 'Discusses the customization of a dashboard for data analysis, including the ability to extract information for specific logs, create charts, and tailor the dashboard to operational needs.', 'duration': 115.267, 'highlights': ['The customization of the dashboard allows for extracting information from specific logs and creating charts based on the selected duration.', 'The dashboard can be tailored to operational needs, such as focusing on specific logs like Apache or Puppet, allowing for the creation and presentation of graphs.', 'The number of hits on each page provides quantifiable data for analysis and decision-making.']}], 'duration': 290.132, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/MRMgd6E9AXE/pics/MRMgd6E9AXE2125178.jpg', 'highlights': ['The chapter emphasizes the option for JSON input, log source identification, and process ID information for creating custom dashboards in Kibana.', 'The chapter explains the process of customizing dashboards by adding visualizations such as donut and line graphs, demonstrating the ability to present data in a customized manner.', 'The customization of the dashboard allows for extracting information from specific logs and creating charts based on the selected duration.', 'It highlights the options to drag, drop, and resize visualizations, facilitating a more descriptive and personalized dashboard presentation.', 'The chapter also emphasizes the feature of saving and loading dashboards, enabling efficient time management and the ability to work with multiple dashboards.', 'The number of hits on each page provides quantifiable data for analysis and decision-making.', 'It highlights the ability to customize plugins for data presentation in Kibana, providing flexibility in data visualization.', 'The dashboard can be tailored to operational needs, such as focusing on specific logs like Apache or Puppet, allowing for the creation and presentation of graphs.', 'The speaker mentions the limited data in the lab environment but emphasizes the potential for creating beautiful graphs in a production environment with abundant data.']}], 'highlights': ['ELK stack is a recently introduced tool adopted by many organizations for log analysis in ops and production environments.', 'Centralized log storage is recommended to streamline the troubleshooting process and avoid the inefficiencies and complexities of decentralized log analysis, which can be time-consuming and impractical.', 'Elasticsearch plays a major role in storing, indexing, and searching logs in JSON format and is used by companies like Guardian, StumbleUpon, and Wikipedia.', 'Elk stack is an open-source product, providing a competitive alternative to licensed products in the market.', 'All nodes should be time synchronous with an external NTP server to ensure accurate data retrieval in the LK stack.', 'The chapter emphasizes the option for JSON input, log source identification, and process ID information for creating custom dashboards in Kibana.']}