
Linux


YUM Commands for Package Management

Useful tips for Debian based distros

How Modify Systemd Unit Files Right Way

GNU Regex POSIX character classes

How to remove/delete CTRL-M (^M) characters from text files in Linux and UNIX systems

AWK as Grep

Colorize linux programs output
Learn how to make your Bash/Shell script colourful and attractive without installing any plugins and configuration.

7-bit ASCII Character Codes

nftables geoip - continents ip

nftables and GeoIP
