Tag: Logging
Designing a Configurable Logging framework using Observer Design Pattern
Almost in all applications we need logging functionality, but requirements varies from project to project. Here we have designing a Configurable Logging framework. First of all, lets have a look at full requirements. Functional Requirements: Advertisements It should provide, A configurable option for other application modules to save logs at more than one platform like, …
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Learn how to – Configure AWS VPC Flow logs to CloudWatch Log group
Learn how to – Configure AWS VPC Flow logs to CloudWatch Log group. In this short tutorial we will be discussing how you can enable VPC flow logs in your AWS Account. VPC Flow Logs is an AWS feature which makes it possible to capture IP traffic information traversing the network interfaces in the VPC. …
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Learn how to – Send Logs to Splunk on Kubernetes using Splunk Forwarder
Learn how to – Send Logs to Splunk on Kubernetes using Splunk Forwarder. Logging is a useful mechanism for both application developers and cluster administrators. It helps with monitoring and troubleshooting of application issues. Containerized applications by default write to standard output. These logs are stored in the local ephemeral storage. They are lost as …
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Learn how to – Install Cluster Logging Operator on OpenShift / OKD 4.x
Learn how to – Install Cluster Logging Operator on OpenShift / OKD 4.x. The Cluster Logging Operator creates and manages the components of the logging stack in your OpenShift or OKD 4.x cluster. Cluster logging is used to aggregate all the logs from your OpenShift Container Platform cluster, such as application container logs, node system …
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Learn how to – Easy way to View Log Files on Linux using lnav
Learn how to – Easy way to View Log Files on Linux using lnav. What is the best way to view/read Log files in a Linux system?. LNAV is a powerful, open-source and command-line enhanced log file navigator and viewer for Linux and Unix systems. It is created to help Sysadmins navigate through the /var/log …
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Learn how to – Install Graylog 4 on Ubuntu 22.04|20.04 with Let’s Encrypt
Learn how to – Install Graylog 4 on Ubuntu 22.04|20.04 with Let’s Encrypt. Graylog is an opensource log aggregation and management tool which can be used to store, analyse and send alerts from the logs collected. Graylog can be used to analyse both structured and unstructured logs using ElasticSearch and MongoDB. This includes a variety …
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Learn how to – How to filter systemd logs using journalctl with examples
Learn how to – How to filter systemd logs using journalctl with examples. Logs are files that contain important system information. This information includes services, applications, and the kernel. There are several log files that contain different information. For example, there is a system log file containing security messages and cron jobs. There are 3 …
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Learn how to – Log monitoring explained: The benefits of tracking events in apps & infrastructure
Learn how to – Log monitoring explained: The benefits of tracking events in apps & infrastructure. Image source: Pexels When you run a web or a desktop application, it always comes with introducing improvements, fixing bugs, and investigating ad hoc cases when something is not working as expected. Keeping event logs that gather the application …