↑ 🌐 TECHNOLOGY

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Linux

• 🔒 How To Secure A Linux Server
• 🔒 Permissions
• Linux CPU usage
• Linux fix screen brightness controls
• https://linux-hardware.org/?view=timeline
• https://www.howtogeek.com/ive-been-using-these-core-linux-commands-wrong-for-years/?ref=dailydev
• 🔒 Linux Disable Suspend On Lid Close
• Linux Fix Slow ssh on Local Network
• https://github.com/phyver/GameShell - learn shell
• 🔒 Bash - Used to work in linux (include basic commands)
• apt vs apt-get : apt is the most recent one
• Where do I edit the MOTD on a Linux system?
• 🔒 Linux Fan Control

Install

• 🔒 Rufus - Create a bootable USB
• https://www.ventoy.net/en/index.html - bootable USB with iso directly

Distros

• 🔒 Arch Linux - source distro
  • https://endeavouros.com/
  • https://www.blackarch.org/
  • https://artixlinux.org/ - arch and you can use dinit or any other systemd alternative
• Debian - source distro
  • Migrate from Ubuntu to Debian
  • Ubuntu
    • https://pop.system76.com/
    • Kubuntu
    • lubuntu
  • Kali Linux
  • Parrot OS
  • 🔒 Proxmox
  • openmediavault - NAS solution based on Debian Linux
• 🔒 Security Onion
• tails - portable operating system that protects against surveillance and censorship
• 🔒 REMnux
• Redox OS - Unix like written in rust
• ChimeraOS - gaming distro
• https://bazzite.gg/ - gaming distro
• https://batocera.org/ - retro-gaming distribution
• Rocky - CentOS fork (since RedHat is paid)
• https://os.ewe.moe/
• https://blendos.co/ - Arch Linux made declarative, immutable and atomic. With Android app support and Fedora, Debian, CentOS Stream and Ubuntu containers available
• https://www.qubes-os.org/ - leverages Xen-based virtualization to allow for the creation and management of isolated compartments called qubes
• Solus - source distro with its own DE
• Void - uses runit instead of systemd
• RedHat - kinda bad with the way they handle stuff (sunsetted CentOS)
• Fedora - wanted to integrate tellemtry in the OS
  • Nobara - fork oriented toward gaming
• nushell - nushell (made in rust)

Packages

• list packages: dpkg -l
  • count them: dpkg-query -W -f='${Package}\n' | wc -l
• apt remove --purge <package> - removes package and config files
• 🔒 net-tools
• 🔒 ripgrep
• ps aux
  • list processes
  • ps auxf - list process tree
• top
• https://github.com/aristocratos/bashtop - stats in terminal
  • BTOP - same but in C++
• https://htop.dev/ - stats in terminal
• iftop - list network usage
• lsof - show ressource usage
• PDFINFO:
  • poppler-utils
    • pdfinfo <file.pdf>
• libimage-exiftool-perl
  • exiftool <image.jpg>
• tmux - a terminal multiplexer
• Zellij - A terminal workspace with batteries included (I'm gonna try tmux first)
• kitty - GPU terminal emulator
• https://github.com/MusicPlayerDaemon/MPD - player music on a server
• mc - file manager in terminal
• journalctl -xe debug
  • x : add message explanation
  • e : jump to end
  • journalctl -xef debug and watch (f)
• Flameshot - screenshot tool
• dust - du + rust = dust. Like du but more intuitive.
• systemctl list-units --type=service --state=running view running services (or use top)
• CRON
  • stored in /etc/crontab
• ClamAV - antivirus
• aide - integrity checks
  • aide --check --config=/etc/aide/aide.conf
• ncdu - like du but more visual
• duf - prettier version of df (shows drive usage)
• lsusb - list usb devices
• lshw - ls but for hardware
  • lshw -C cpu
  • lshw -C memory
  • lshw -C disk
• mtr - ping + traceroute - track latency and packet loss for each hop
• fd - like find but faster and better
• fzf - fuzzy finder
  • history | fzf
• ranger - tui file manager
• watch - rerun commands in specified interval
  • watch -n 0.5 nvidia-smi
• dog - better DNS lookups - replace dig
• termshark - tui for tshark
• ipcalc - ip subnet calculator
• procs - alternative to ps
• rsync - file transfer
• shred - rm on steroid
• unp - unpack any archive (zip, rar, gz ...)
• asciinema - record your terminal
• gzip <file> - compress a file (the original will be replaced with the archive <file>.gz)
  • gunzip <file> - decompress a file (the archive will be replaced with the original)
• bzip2 <file> - works similarly as gzip (produce <file>.bz2)
  • bunzip2 <file> - decompress
• xz <file> - like gzip (produce <file>.xz)
  • unxz <file> - like gunzip
• zip <output>.zip <file> - creates a compressed archive (the .zip is optional but helps to know the archive format)
  • zip -r udev.zip /etc/udev - recursive
  • unzip -l udev.zip - list content
  • unzip udev.zip - extract archive
• tar - Tape ARchive
  • -j - uses bzip2
  • tar –cvf mybackups/udev.tar /etc/udev creates an archive (the .tar is optional but helps to know the archive format)
    • c create a tar file
    • v verbose
    • f name of the output file
  • tar –tvf mybackups/udev.tar - list the files of an archive
    • t list content
    • v verbose
    • f filename
  • tar –zcvf mybackups/udev.tar.gz /etc/udev - uses gzip for compression
  • tar –xvf udev.tar.gz - extract an archive
  • tar -rvf udev.tar /etc/hosts - adds a file to an archive
• w3m - text based web browser

Misc

• KDE
• https://system76.com/cosmic - cosmic desktop
• https://i3wm.org/ - tiling windows manager
• https://awesomewm.org/ - window manager
• 🔒 Hyprland
  • Arch Linux Experience - Hyprland
  • 🔒 My 2025 Stack: A Modern and Optimized Setup
• Niri - scrollable-tiling Wayland compositor
• /dev/null > the void
• /etc/passwd > all users
• /etc/shadow > users passwords
• find stuff : find / -name "name"
• Cockpit - web-based graphical interface for servers
  • GSOC_cockpit_samba_ad_dc
• Pokemon colorscripts - print out images of pokemons to terminal.
• https://www.gnome-look.org/browse?cat=109 - lot of visuals for linux
• dmidecode | grep -A3 '^System Information' find device model
• you can use sytemd timers instead of crons
• ethtool eth0 | grep Speed view NIC speed
• zabbly/linux - Recent stable mainline kernel with wide hardware support
• /etc/xdg/ - system wide equivalent of ~/.config for app that follow freedesktop specs
• winboat - Run Windows apps on 🐧 Linux
• lookin-glass - KVM (Kernel-based Virtual Machine) configured for VGA PCI Pass-through
  • does not use any form of compression or color space conversion, all frames are transferred to the viewer (client application) in 32-bit RGBA

People

• https://www.youtube.com/@LearnLinuxTV
• https://www.youtube.com/@TechnoTim
• https://www.youtube.com/@NetworkChuck