TerminalHow to Check Your Disk Speed and Performance in Ubuntu Terminal

If your Linux desktop is running slowly, applications take a long time to open, or...

TerminalHow to Change the Default Application for a File Type in Ubuntu Terminal

If you primarily manage your Ubuntu Linux desktop from the terminal, you may occasionally find...

TerminalHow to Check Your IP Address in Ubuntu Linux Terminal

When configuring a web server, setting up an SSH connection, or troubleshooting a network issue...

TerminalHow to Use the ‘find’ Command to Search for Files by Size in Linux

When managing a Linux server or desktop, you will inevitably encounter situations where your storage...

TerminalHow to Exclude Directories When Using the ‘grep’ Command in Linux

The grep command is arguably the most powerful text-searching utility in Linux. It allows you...

TerminalHow to Use the Linux ‘journalctl’ Command to Filter System Logs by Time

When troubleshooting a server issue or application crash in Linux, sifting through thousands of log...

TerminalHow to Fix ‘zsh: command not found’ Error in macOS

If you have recently updated your Mac or started using the Terminal for the first...

TerminalHow to Use Nmap to Scan Open Ports in Linux

In the world of Linux server administration and cybersecurity, open ports are the equivalent of...

TerminalHow to Mount a USB Drive in Linux

If you plug a USB thumb drive into a Windows PC or a Mac, a...

TerminalHow to Check Which Version of Linux You Are Running

If you have just been hired as a sysadmin for a new company, or if...

TerminalHow to Check if a Port is Open in Linux

If you have just installed a brand new Apache web server on your Linux machine,...

TerminalHow to Find the CPU Temperature in Linux

If you are running a heavy computational workload on a Linux server (like rendering video,...

TerminalHow to Find Which Group a User Belongs To in Linux

Linux security is fundamentally built on a system of Users and Groups. A “Group” is...

TerminalHow to Setup an SSH Key in Linux

If you are managing a remote Linux server (like a DigitalOcean Droplet or an AWS...

TerminalHow to Check Memory Usage in Linux

If your Linux server is randomly crashing, dropping database connections, or running incredibly slowly, you...

TerminalHow to Find the Path of a File in Linux

Unlike Windows or macOS, Linux does not have a user-friendly “Search Bar” integrated into the...

TerminalHow to Find Large Files in Linux

Unlike Windows, which provides visual pie charts and third-party disk analyzer software to help you...