Arch Linux Commands & Helpful Content - LeandroTheDev/arch_linux GitHub Wiki

Locations

sddm theme location

  • /usr/share/sddm/themes/

xfce theme location

  • ~/.local/share/themes Theme
  • ~/.icons Icons & Cursor

GRUB config file location

  • /etc/default/grub

Commands

Uncompress

  • tar -xvf

Packages Installations

  • makepkg -sic

View Folder Size

  • du -ah --max-depth 1

View disk available

  • df -h

View public ip from your router

  • curl ipinfo.io/ip

Pacman

Show a list of installed packages with that name

  • pacman -Qs

Show a list of non official packages

  • sudo pacman -Qm

Reinstall all the packages of main repository

  • sudo pacman -Qqn

Remove all usseless dependencies

  • sudo pacman -Rns $(pacman -Qdtq)

Clear Cache

  • sudo pacman -Scc

Force remove package, without crying about dependencies

  • sudo pacman -Rdds

Remove package with configs and dependencies

  • sudo pacman -Rns

Force Installing

  • sudo pacman -S package --overwrite \*

Updating system

  • sudo pacman -Syu --ignore=nvidia,nvidia-utils,lib32-nvidia-utils

Remove password requirement for "su" in whell group users

  • sudo vim /etc/pam.d/su

  • Remove comment: auth sufficient pam_wheel.so trust use_uid

Permissions

  • Permissions to all in currently directory

  • chmod +x+r+w -R *

  • Default file permissioning for specific group

  • setfacl -d -m g:group_name:rw /path/to/directory

  • Change ownership

  • chown username:usergroup /path/to/directory

Change grub order

  • sudo vim /etc/default/grub
  • GRUB_DEFAULT="2"

Update-grub

Show Windows in grub

  • sudo vim /etc/default/grub
  • #GRUB_DISABLE_OS_PROBER=false
  • update-grub

Formating a disk

List the disks

  • fdisk -l

Select the disk you want to format

  • fdisk /dev/sd?
  • o, n, default...

Save

  • w

Add signature to linux read

  • sudo mkfs.ext4 /dev/sd??

Give Permissions

  • sudo chown -R person /run/media/person/diskID
  • sudo chgrp -R person /run/media/person/diskID

Disable Lapto/Notebooks Lid Close Suspension

  • sudo vim /etc/systemd/logind.conf
  • Remove # and change to "ignore"
HandleLidSwitch=ignore
HandleLidSwitchExternalPower=ignore
HandleLidSwitchDocked=ignore
  • systemctl restart systemd-logind

Script to Auto Get IP

#!/bin/sh

public_ip=""

while true
do
   current_ip="$(curl -s ipinfo.io/ip)"
   if [ "$public_ip" != "$current_ip"]; then
      public_ip=$current_ip
      curl -k "https://www.provider/?ip=$public_ip
   fi
   sleep 3600
done

User variables on login (the good way)

  • mkdir -p ~/.local/bin
  • vim ~/.local/bin/env.sh
#!/bin/sh

username="$(whoami)"

systemctl --user set-environment \
   PATH="/path/to/software/bin:$PATH" \
   CHROME_EXECUTABLE=/usr/bin/chromium
...
  • chmod +x ~/.local/bin/env.sh
  • mkdir -p ~/.config/systemd/user
  • vim ~/.config/systemd/user/env.service
[Unit]
Description=User environment variables
Before=default.target

[Service]
Type=oneshot
ExecStart=/usr/bin/bash -c 'source ~/.local/bin/env.sh'
RemainAfterExit=yes

[Install]
WantedBy=default.target
  • Start now: systemctl --user daemon-reexec && systemctl --user daemon-reload
  • systemctl --user enable --now env.service