How to Show Used Ports in Linux (ss, netstat, lsof)
Show used (open) ports in Linux with ss, netstat and lsof. Quick commands to list listening ports, find which process uses a port and …
How to use Sudo on Debian
Sudo: Your key to more control on Debian. Perform administrative tasks with elevated user rights without logging in as root user. Increase …
iptables restore: Restore Rules from File after Reboot
iptables restore: reload your firewall rules from a file with iptables-restore and keep them persistent across reboots on Debian, Ubuntu …
Aliases in the shell: increase efficiency and avoid errors
Aliases in the shell are an effective way to increase efficiency when working in the terminal and avoid typing errors. The article explains …