Wall command in Linux
wall is a command-line utility that displays a message on the terminals of all logged-in users. The messages can be either typed on the terminal or the contents of a file.
How to Run Cron Jobs Every 5, 10, or 15 Minutes
A cron job is a task that is executed at specified intervals. Running cron job every 5, 10, or 15 minutes are some of the most commonly used cron schedules.
How to Check Java Version
This article explains how to check what version of Java is installed on your Linux system using the command line.
How to Setup Automatic Kernel Updates on Linux
This article explains how to set up automatic rebootless kernel updates using the live patching solutions from Canonical and CloudLinux.