sysadmin
How to Check Open Ports in Linux: The Complete Guide
Robert Johnson
Learn how to check open ports in Linux with ss, netstat, lsof, and nmap. Complete guide with practical examples, troubleshooting tips, and security best practices for 2025.
How to Kill a Process in Linux: Complete Guide with Examples
Robert Johnson
Learn how to kill a process in Linux with kill, killall, and pkill commands. Complete guide covering SIGTERM vs SIGKILL signals, zombie processes, and best practices for process management.
