linux sysadmin
How to Use ps Command in Linux: The Process Tool Every Admin Needs
Robert Johnson
Learn how to use the ps command in Linux with real-world examples. Master process monitoring, troubleshooting, and system administration with this essential tool.
How to Use the nohup Command in Linux: Run Processes That Survive Logout
Robert Johnson
Master the nohup command in Linux. Learn syntax, real-world examples, output redirection, and how nohup compares to screen, tmux, and disown for background processes.
How to Check Listening Ports in Linux: The Security Command You Need to Know
Robert Johnson
Learn how to check listening ports in Linux using ss, netstat, and lsof. Master port monitoring for security and troubleshooting in 2025.
How to Check Linux Version: The Command Every Sysadmin Needs
Robert Johnson
Learn how to check Linux version and distribution using hostnamectl, /etc/os-release, and uname commands. Complete guide with practical examples for 2025.
