SysAdmin

For Linux users, the best practice of accessing and managing your server remotely is through Secure Shell (SSH). This tutorial shows how to enable, install and configure SSH on Ubuntu.

Debian 12 brings new features and improvements, such as Linux kernel 6.1, APT Package Manager 2.6, and desktop environment updates. This article will show you how to upgrade an existing Debian 11 installation to Debian 12.

Speed up connecting to remote servers by enabling passwordless SSH login via public key authentication. In this guide you will learn how to set up and enable passwordless login.

The chown command changes user ownership of a file, directory, or link in Linux. This tutorial shows how to execute the Linux chown command to control who can modify file contents.

Save time and effort by managing different database systems with a single tool. Find out how to set up SQL Workbench to connect to a PostgreSQL database. Use SQL Workbench to migrate data between your databases without the need to use several concurring interfaces.

This article explains how to install the tmux utility on Linux and customize its appearance and features using the tmux.conf file.

Need to check your Java version? Use one of these three methods to find the Java version installed on your system (Ubuntu, CentOS, or Debian).

Vim allows you to delete entire lines, words or characters using various Vim commands. Learn the most practical way to remove text by following this practical guide.

The default way of updating an Ubuntu system is via Software Updater, a graphical interface app. However using a terminal application to update Ubuntu via CLI is also possible. This article teaches you to update Ubuntu from the terminal.

This article lists essential tmux commands organized into logical sections and offers a comprehensive downloadable cheat sheet in PDF format.