UbuntuHow to Update Ubuntu from the Command Line
Keeping your Linux server updated is the single most important thing you can do to...
UbuntuHow to Change File Permissions on Ubuntu
Linux is built from the ground up as a multi-user operating system. If you download...
UbuntuHow to Install Apache on Ubuntu
Apache is the most widely used web server software in the world. It is the...
UbuntuHow to Install Python on Ubuntu
Python is one of the most versatile and widely used programming languages in the world,...
UbuntuHow to Change a User Password on Ubuntu
Whether you suspect your server has been compromised, or you simply forgot your login credentials,...
UbuntuHow to Create a New User with Sudo Privileges on Ubuntu
When you first provision a new Ubuntu server from a cloud provider, you are often...
UbuntuHow to Install and Configure Fail2ban on Ubuntu
If your Ubuntu server is connected to the public internet and you have SSH (Port...
UbuntuHow to Change the Default SSH Port on Ubuntu
Secure Shell (SSH) is the backbone of Linux server administration, allowing you to connect to...
UbuntuHow to Configure UFW (Uncomplicated Firewall) on Ubuntu
Securing a Linux server or desktop should always be your first priority. While Linux kernel...
UbuntuHow to Configure a UFW Firewall to Block Specific IP Ranges in Ubuntu
Securing a Linux server involves multiple layers of defence, but establishing a robust firewall is...
TerminalHow to Reboot a Linux System from the Command Line
When you are managing a Linux server remotely via SSH, or working on a headless...
TerminalHow to Rename a File or Directory in Linux Terminal
In a graphical interface like Windows or macOS, renaming a file is as simple as...
TerminalHow to Change Your User Password in Linux Terminal
When managing a Linux server or working in the terminal, it is crucial to keep...
LinuxHow to View and Analyze System Logs in Linux Using journalctl
When troubleshooting issues on a modern Linux system (like Ubuntu, Debian, CentOS, or Fedora), system...
TerminalHow to Find and Kill Zombie Processes in Linux
In Linux, when a process finishes executing, it typically sends a signal to its parent...
UbuntuHow to Secure SSH Access on Your Ubuntu Server
If you run an Ubuntu server—whether it is a home media server in your closet...
UbuntuHow to List Running Services in Ubuntu
Modern Linux distributions, including Ubuntu, rely on a system and service manager called systemd to...