LinuxHow to Check Free Memory (RAM) in Linux
Why Monitoring Your Server’s Memory Matters If your Linux web server suddenly becomes sluggish, or...
LinuxHow to Find Out What Processes Are Using Your Network Bandwidth in Linux
The Mystery of the Slow Connection If your Linux server suddenly slows to a crawl,...
LinuxHow to Find Out Which Version of Linux You Are Running
The Linux Fragmentation Problem If you are using Windows, it is incredibly easy to know...
LinuxHow to Check Open Ports on a Linux Server Using ss
The Need for Network Visibility If you are managing a Linux server, whether it is...
LinuxHow to Use the ping Command to Test Network Connectivity in Linux
The First Step in Network Troubleshooting When a web server goes down, an API endpoint...
UbuntuHow to Boot Ubuntu to the Command Line Without a GUI
Why Disable the Graphical Interface? Modern Linux desktop environments, such as GNOME (the default on...
LinuxHow to Automatically Run a Script on Startup in Linux (Using systemd)
The Modern Approach to Linux Boot Scripts In the early days of Linux, if a...
LinuxHow to Check Your Linux System Uptime and Load Average
Monitoring System Reliability Unlike personal laptops that are shut down or put to sleep every...
LinuxHow to Change Your Default Shell in Linux
What is a Linux Shell? When you open the terminal in Linux, you are interacting...
TerminalHow to Find the IP Address of Any Website Using the Linux Terminal
Why Find a Website’s IP Address? When you type a URL like google.com into your...
UbuntuHow to Add a User to the Sudoers Group in Ubuntu Linux
Understanding Sudo Privileges in Ubuntu In Ubuntu Linux, system security revolves around the concept of...
TerminalHow to Clear the Bash History in the Linux Terminal
Why You Might Need to Clear Your Linux Terminal History The Linux terminal (specifically the...
UbuntuHow to Create a New User Account in Ubuntu Linux via Terminal
Learn how to securely create a new user account in Ubuntu Linux using the terminal....
TerminalHow to Find and Kill a Frozen Process in Linux
Is a Linux application completely frozen? Learn the professional command-line workflow to find the Process...
UbuntuHow to Forget and Remove a Bluetooth Device in Ubuntu Linux
Bluetooth connectivity on Linux has improved dramatically over the years, but it is still not...
TerminalHow to Check Your Linux Kernel Version Using the Command Line
The Linux kernel is the core component of your operating system. It sits between your...
UbuntuHow to Enable and Secure an SSH Server in Ubuntu Linux
If you have recently installed a headless Ubuntu server, set up a Raspberry Pi, or...