1. Introduction This guide covers essential logging and auditing setup for Linux systems. It's intentionally practical and direct. 2. Summary Basic logging setup: # Enable essentia…
GNU/Linux/
Linux_Storage_Stack_Diagram
;;; REQUIRED Section [snoopy] ;;; Log Message Format ; Security-enriched format: covers identity, session, process tree, and command context ; message_format = "datetime=%{datetime…
Flatpak flatpak install anydesk parsec typora 1Password cd /home/lpetrov/Downloads curl -sS https://downloads.1password.com/linux/keys/1password.asc | gpg --import git clone https:…
How to upgrade Arch Linxiux, Catchyos or other Arch derivates paru -Syu pacman -Rdd linux-firmware pacman -Syu linux-firmware pacman -Syu pacman -Syu flatpak update Reference: http…
If you've ever worked with Red Hat-based systems, you've probably fallen in love with yum history – that handy command that lets you see exactly what packages were installed, whe…
Streamlining TLS Cipher Suite Management for System Engineers (SSL Config) As system engineers, one of our ongoing responsibilities is maintaining secure cipher suites for applicat…
Linux Gentoo is now by default installing GRUB2 instead of GRUB, LILO is considered Legacy, yet still accessible emerge package. Install of GRUB2 on /dev/sda grub2-install --grub-s…
http://www.gnu.org/software/bash/manual/html_node/Searching.htmlTo search backward in the history for a particular string, type C-r. Typing C-s searches forward through the history…
OR $ grep "1\|2" 1.txt 1 2 $ grep -E "1|2" 1.txt 1 2 grep -E "^1$|2" 1.txt 1 2 grep -e 1 -e 2 1.txt 1 2 egrep "1|2" 1.txt 1 2 AND grep -E '1.*2' 2.txt 1 2 grep '1' 2.txt | grep '2'…