# Pacman aliases alias update="sudo nixos-rebuild switch --upgrade"; alias auto-remove="sudo nix-collect-garbage -d"; alias clean-boot-entries="sudo /run/current-system/bin/switch-to-configuration boot"; alias rebuild="sudo nixos-rebuild switch"; alias list-gens="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system"; nix-rollback() { [[ -z "$1" ]] && echo "Specify generation number: nix-rollback 330" && return 1; sudo nixos-rebuild switch --rollback=$1; } #alias mirrorlist-refresh="sudo reflector --latest 200 --protocol http --protocol https --sort rate --save /etc/pacman.d/mirrorlist-arch" # Sandbox #alias sandbox="sudo ~/scripts/host-file-elb-update.sh"; # Runit helpers #sv_enable() { [[ -f "/etc/runit/sv/$1" ]] && sudo ln -s /etc/runit/sv/$1 /run/runit/service; } #sv_disable() { sudo unlink /run/runit/service/$1; } setup_webcam_day() { v4l2-ctl -d /dev/video3 \ --set-ctrl brightness=0 \ --set-ctrl contrast=11 \ --set-ctrl saturation=16 \ --set-ctrl gamma=194 \ --set-ctrl gain=60 \ --set-ctrl sharpness=3 \ --set-ctrl exposure_time_absolute=350; } setup_webcam_night() { v4l2-ctl -d /dev/video3 \ --set-ctrl brightness=1 \ --set-ctrl contrast=11 \ --set-ctrl saturation=17 \ --set-ctrl gamma=230 \ --set-ctrl gain=64 \ --set-ctrl sharpness=5 \ --set-ctrl exposure_time_absolute=500; } # Run a program with limited memory limit_memory() { local lim=${1:-100M}; shift 1; systemd-run --user --scope -p MemoryHigh="$lim" -p MemorySwapMax="$lim" "$@"; }