Ubuntu logs system events into the log files in order to help administrators maintain, analyze and diagnose system related issues and applications problems. (more…)
As with all large data sets, filtering is necessary to analyze, inspect and diagnose the system. In this article, you will learn about journalctl’s advanced filtering options which could be very useful for system administrators. (more…)
In most Ubuntu and similar Linux distributions, the systemctl tool has replaced power management commands that were used in previous releases. The following commands for instance have been replaced by systemctl as (more…)
This document is intended to support Ubuntu server administrators and aims to help you manage your network using the command line. (more…)
Usually when you have Ubuntu installed, it is likely that the system folders and the home folder all belong to the same partition.In order to keep your custom settings, your files and folders, it is recommended that you (more…)
In this tutorial, you will learn how to use two simple and lightweight command line tools to help you analyze the space usage of your files and folders both on your local machine and on a remote system. Let’s get started. (more…)
The sudoers file is used by Linux and Unix administrators in general in order to to allocate specific system rights to new and existing system users. This enables the system administrator to control what every (more…)
Sometimes system administrators or frequent users on Ubuntu do not want to enter a password when they run some specific commands using sudo command.In this article you will learn how to use sudo on commands without (more…)
Every Linux user should know how to add and/or create a user as well as how to delete a user. This is important since on a fresh installation there is only one root user and most Linux distros are multi-user (more…)
The ‘useradd’ command in linux is a popular tool used to create or add user accounts.Much like the command ‘usermod’, the ‘useradd’ command affects many files when it is invoked to create a new user (more…)
