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This is where commands are saved for future reference

do git config --local credential.helper '!gh auth git-credential' to enable github cli authentication for git do =sudo nixos-rebuild switch –flake .#hydenix = to update nixos

Steam (notes + reproducible checks and commands)

Reproducible checks (preferred)

  • after any Nix config change related to Steam/graphics:
    • nix flake check
  • launch Steam from a terminal to capture stdout/stderr (useful when it doesn’t open or games instantly quit):
    • steam -console

External drive Steam library (common breakage)

Ownership (Proton prefixes must be writable): do sudo chown -R arik:users '/mnt/arik_s disk/' to fix steam proton prefix ownership issues

Mount flags (Proton/games often fail if the library drive is mounted with noexec):

  • sometimes have to run sudo mount -o remount,exec /mnt/arik_s_disk to make games work again because drive mounts with noexec

Note:

  • The long-term reproducible fix is to ensure the filesystem mount is declared with correct options in NixOS so you don’t need manual chown=/=remount steps each time.

do nix flake update to update flake inputs do gh auth login to login to github cli do gh repo clone ArikRahman/hydenix to clone hydenix repo do Optional: run nix flake update nixpkgs which will make Unstraightened reuse more dependencies already on your system.

Syncthing daemon (reproducible verification)

After you enable Syncthing via NixOS (systemd unit syncthing@arik.service), use these commands to verify it is running and reachable:

  • check service status:
    • sudo systemctl status syncthing@arik.service
  • follow logs:
    • sudo journalctl -u syncthing@arik.service -f
  • confirm GUI is listening locally (default is usually 127.0.0.1:8384):
    • ss -tulpn | grep 8384
  • confirm sync port is listening (default TCP/UDP 22000; discovery is typically UDP 21027):
    • ss -tulpn | grep 22000
    • ss -u -lpn | grep 21027
  • open GUI (local):
    • xdg-open http://127.0.0.1:8384

Nix flakes enablement + validation (reproducible)

  • Flakes + modern CLI are enabled declaratively in configuration.nix via:
    • nix.settings.experimental-features = [ "nix-command" "flakes" ];
  • Validation (reproducible check after config changes): run nix flake check from the repo root

Fuzzel config debugging (reproducible)

When fuzzel errors with not a valid option, the fuzzel.ini schema (sections/keys) doesn’t match your installed fuzzel build. Use these commands to collect ground truth:

  • check version:
    • fuzzel --version
  • check which config is being read and whether it parses:
    • fuzzel --check-config
    • fuzzel --check-config --config ~/.config/fuzzel/fuzzel.ini
  • inspect the generated config:
    • sed -n '1,120p' ~/.config/fuzzel/fuzzel.ini
  • see available styling knobs (CLI flags + expected color format):
    • fuzzel --help | sed -n '1,220p'
  • check documentation for the INI schema (if present):
    • man fuzzel | sed -n '1,240p'

Minimal schema probes (use temp config files so you can bisect which section/key names are accepted):

  • create a minimal config file:
    • mkdir -p ~/tmp
    • printf '%s\n' '[colors]' 'background=1d2021ff' > ~/tmp/fuzzel-min.ini
    • fuzzel --check-config --config ~/tmp/fuzzel-min.ini

If [colors] is rejected, try the same key under [main], and then try underscore variants:

  • printf '%s\n' '[main]' 'background_color=1d2021ff' > ~/tmp/fuzzel-min.ini
  • fuzzel --check-config --config ~/tmp/fuzzel-min.ini

Note:

  • fuzzel --help says colors are RGBA (8-digit hex), no prefix, e.g. 1d2021ff (RRGGBBAA).
  • dota 2 audio cuts out whenf inding match, fix with launch option -sdlaudiodriver pulse
  • had to use vscodium and delete existing .config git config file to override and git auth login would apply allowing cli git push to remote
  • sudo chown -R arik:users "/run/media/arik/arik_s disk" to make external ssd work
  • steam -console to log steam
  • also turn on vulkan in background in steam -> settings ->
  • prune and remove reduancies with sudo nix-collect-garbage -d
  • and sudo nix-store --optimise
  • change default calibre icons to be more modern and visually appealing
  • AI ran ~ find ~/.local/share/applications/wine/Programs/ -name “*.desktop” -exec sh -c ‘for f; do grep -q “^NoDisplay=true” “$f” || echo “NoDisplay=true” >> “$f”; done’ _ {} + ~
  • in order to remove wine shortcuts from launcher view in walker fuzzel etc
  • also, you want to move steam generated shortcuts in Desktop folder to /home/arik/.local/share/applications for them to populate launcher
  • niri msg output eDP-1 off; niri msg output HDMI-A-2 mode 3440x1440@74.983; niri msg output HDMI-A-2 scale 1.25; dsearch serve 02/20/2026 01:14:26 PM
  • init ^ command
  • for multiple daemons, can use > niri msg output eDP-1 off; niri msg output HDMI-A-2 mode 3440x1440@74.983; niri msg output HDMI-A-2 scale 1.25; zellij run -d down -n “elephant” – elephant; zellij run -d right -n “walker” – walker –gapplication-service
  • this maniulates zellij to our advantage ^