iptables REJECT vs DROP
MariaDB mySQL backup and restore in Docker
git - delete a folder from the repository after adding it to .gitignore
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 …
How to Install pip for Python (Step by Step)
Step-by-step guide to install pip for Python on Linux, macOS and Windows — check your version, run get-pip.py and fix common errors.
Glances: The indispensable monitoring tool for system administrators
Glances is an essential monitoring tool for system administrators that provides a comprehensive real-time overview of system resources such …
Find out the kernel version of Debian
Did you know that the kernel version of your Debian distribution is crucial for the stability and performance of your system? With the …
Create an SSH key
SSH keys are cryptographic keys that enable secure data transmission between client and server and are a user-friendly alternative to …
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 …