Logging, tracing, and metrics are 3 pillars of system observability.
Logging records discrete events in the system. For example, we can record an incoming request or a visit to databases as events. It has the highest volume. ELK (Elastic-Logstash-Kibana) stack is often used to build a log analysis platform. We often define a standardized logging format for different teams to implement, so that we can leverage keywords when searching among massive amounts of logs.
This guide provides detailed instructions for backing up and restoring Sonatype Nexus data when running in a Docker container. It includes automated backup scripts and step-by-step restoration procedures.
This guide provides detailed instructions for backing up and restoring Jenkins configurations, jobs, and credentials when running Jenkins via WAR file.
/data/jenkinsjenkins_2.452.1.war
A comprehensive guide for setting up a secure private Docker registry with authentication, UI, backup, and restoration capabilities.
This guide explains how to properly set up Chromium and ChromeDriver on Ubuntu servers for browser automation tasks using tools like Selenium WebDriver.
On Ubuntu (especially 20.04 and newer), the chromium-browser package in the default repositories is actually just a transitional package that redirects to the Snap version. This Snap-packaged version of Chromium runs in a confined environment with restricted filesystem access, which often causes permission issues when used with browser automation tools.
Common errors you might encounter with the Snap version include:
cannot create default profile directory