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bash-scripts

Personal setup scripts and notes for configuring a new machine and keeping useful changes reproducible.

Omarchy

Omarchy setup contains the laptop preferences for remote development: stay awake and unlocked with the lid closed on AC, with idle locking and the screensaver disabled.

It also includes a KVM/libvirt host dependency installer. The Ubuntu runner guest installer covers the separate Ubuntu 24.04 VM package layer. Both default to read-only checks; VM, networking and runner configuration are separate.

Repository workflow

Make scoped changes directly on main, then commit and push. This repository does not use worktrees or pull requests. Keep additions small: useful scripts and clear instructions, without test suites or proof artifacts.

This is a public repository. Never commit credentials, private keys, personal configuration dumps, private host addresses, or backups. Generate credentials on each machine and keep any private inputs outside the checkout.

Contents

In this repository I store bash scripts that I develop, useful or time-saving for me

  • new_system.sh:

    1. useful and time-saving when starting new linux install

    2. updates system system, and install many useful packages for me

  • install_flutter.sh

    1. install flutter, and android-studio, and configure some system things

  • extra_things.sh

    1. Install nordvpn app.

  • tenacity-macos.md

    1. MacPorts-based Tenacity install and macOS 1.3.4 workarounds.

  • arch

    1. Open Arch folder

    2. Arch Linux installation guide

    3. Arch post-install script

How to use

Run:

chmod +x <script_name>.sh
./<script_name>.sh

Extra info (source)

When sideloading ubuntu with windows previously installed, select manually by using "Something else" option.

  • swap
    • type: primary
    • beginning of space
    • use as: swap area
  • / (root)
    • type: logical
    • location: beginning of space
    • use as: ext4
    • mount point: /
    • size: (10 - 20gb) (20480mb) [if installing cuda in a nvidia machine make it 35gb or 35840mb]
  • /home
    • 4 first options same as / (root)
    • choose your home size accordingly (all free space in hard drive)
  • device for boot loader being main drive (if there is windows, choose the same one)

Useful commands

ssh-keygen -t ed25519 -C "<example@email.com>"

  • create bootable liveimage using hdd partition instead of usb

  • fix slow boot by defining suspend/hibernate SWAP UUID

  • move spotify to system tray

  • change ubuntu actions for sleep (supend/hibernate) on lid close, etc

  • fix acer predator fan

  • # scan local network
sudo nmap -sn 192.168.18.0/24
# for simple ip up scan, faster
sudo nmap -sn -n -host-timeout 1 192.168.18.0/24
  • # generate a random password
pwgen -s 50 -c -n -y | tr -d ")(}{][\!\"#$%'.\\\/\`><"
```

  • # All commits started from the next after 8fd7b22 will be rebased with no changes except signing
git rebase --exec 'git commit --amend --no-edit -n -S' -i 8fd7b22
# To change all commits started from the very first one you may use --root
git rebase --exec 'git commit --amend --no-edit -n -S' -i --root
#Return commit date as author date and force push (don't forget to backup before).
git rebase --committer-date-is-author-date -i --root # return 
git push --force

    -> source

  • echo "Host personal\nHostname github.com\nIdentityFile /home/ubuntu/.ssh/rasp_2023_08_27\nIdentitiesOnly yes" >> ~/.ssh/config
git remote rm origin
# swap username and repository accordignly
git remote add origin git@personal:username/repository.git

    -> source

  • # set chrome as default browser inside snaps
xdg-mime default google-chrome.desktop x-scheme-handler/http
xdg-mime default google-chrome.desktop x-scheme-handler/https

gio mime x-scheme-handler/https google-chrome.desktop
gio mime x-scheme-handler/http google-chrome.desktop

    -> source

  • # set other terminal as default
sudo update-alternatives --config x-terminal-emulator

    -> source

  • # concat all images in current folder to a PDF
convert *.jpg -quality 20 file20.pdf

# before running that, make sure to disable conflicting policy
sudo mv /etc/ImageMagick-6/policy.xml /etc/ImageMagick-6/policy.xml.off

# when done, restore policy by running
sudo mv /etc/ImageMagick-6/policy.xml.off /etc/ImageMagick-6/policy.xml

    -> source

    for KEY in $(apt-key --keyring /etc/apt/trusted.gpg list | grep -E "(([ ]{1,2}(([0-9A-F]{4}))){10})" | tr -d " " | grep -E "([0-9A-F]){8}\b" ); do K=${KEY:(-8)}; apt-key export $K | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/imported-from-trusted-gpg-$K.gpg; done

    -> source

    # remove an app and its data
flatpak uninstall --delete-data <app_name>

# remove all unused apps and their data
flatpak uninstall --unused --delete-data

# run an update just for the ifs
sudo flatpak update

    -> source

-> config bashrc to show only currrent directory instead of full relative path to home source

-> change vs code to LF instead of CRLF source

-> fix slack screenshare on wayland source

-> fix slack screenshare on wayland debian package source

-> CopyQ Not Saving Clipboard Copy Paste in Ubuntu 23.04 source

-> 2024-04-17, fix to google-chrome on ubuntu, stopped working on wayaland source

Gnome must have shell extensions