Linux configuration files play a crucial role in defining how the operating system behaves and functions. These files form the essential building blocks that contribute to the robust configurability of a Linux system. (more…)
Running out of disk space is a frustratingly common occurrence for Linux users. As your media libraries swell with high resolution photos, videos, and music, and your work documents pile up, available capacity can vanish before you know it. (more…)
Monitoring disk usage is an important system administration task to avoid running out of storage. This comprehensive guide covers multiple methods and commands to check disk space in Ubuntu 22.04. (more…)
Kubernetes is an open-source platform that is used for the management of containers such as Docker. It allows the automated setup, scaling, operation, provision and maintenance of the containers. (more…)
Updated on 4/4/2022 – If you have a docker container and would like to add users to run some processes, this short tutorial is for you. The trick here is to rely on USERADD rather than on the interactive wrapper (more…)
When a Linux system has an out-of-memory error or runs out of RAM, .i.e. can no longer store data in the virtual memory, it will temporarily use swap space in order to increase the size of the virtual memory available. (more…)
In this short tutorial, you will learn how to send one-liner emails using sSMTP from your Linux Ubuntu/Debian terminal. But why on earth would we want to send Emails from the terminal ? (more…)
Updated – Ubuntu logs system events into the log files in order to help administrators maintain, analyze and diagnose system related issues and applications problems. (more…)
In Unix and Linux, there are many security built-in features. One such feature is related to files and who should be allowed to manipulate them. Since everything is a file in Unix and Linux, a (more…)
Startup applications are the programs that are launched automatically when Ubuntu boots up. Sometimes you want to make an application start after you log in to the system, like for instance (more…)
