My customizations, on top of this base config: https://github.com/robertjakub/oom-hardware
This is a work-in-progress, with some code needing to be manually installed. I intend to keep working on it to make it fully reproducible, but I am still learning my way around NixOS.
- ly login manager / greeter
- sway compositor, and related utilities
- waybar
- rofi launcher
- xkb configuration with swapped windows key and sticky modifiers
- partial support for quasi-sleep
- emacs and helix text editors
- firefox
- netsurf
- various random applications and games, subject to change
- openssh-server
- The keyboard state indicators are meant to track the state of the sticky modifier keys, but it doesn't work. I may need to modify waybar, the keyboard firmware, or both.
- quasi-sleep is only partially implemented.
- you'd think netsurf would be ideal on this device, but it is not very keyboard-friendly.
In principle you can rebuild the SD-card from this config, but I booted from: this image and then proceeded to edit and update the configuration manually.
First you need to configure your network using wpa_supplicant. I
won't explain how to do this here.
Copy or symlink the code in uconsole/configs to /etc/nixos, then
run sudo nixos-rebuild switch.
The sway config expects a background image installed in
./config/sway/background. I don't include one here, so you need to
install one or you'll get errors when sway loads.
My preferred background:
curl https://wallpaperaccess.com/full/4154323.jpg -o ~/.config/sway/background
- sway config
- waybar config
- foot
- xkb (now with sticky modifiers)
- quasi-sleep support (still a work in progress)
sleep/qsleep.shsleep/set_governor.c
This is inspired by the original found in this thread, but I found few issues with it, and so it's been heavily modified.
Unlike the original, it runs as a background process. This is because
I wanted to lock the screen with swaylock, which prevents the power
key from being received by sway to wake the machine back up. So this
script watches /dev/input/event0 and responds to the power key
directly.
For this reason, the default power key behavior for logind is set to
ignore in the nixos config. Long-press is still set to poweroff,
as a fallback in case you get stuck.
I don't try to suspend / resume processes, as it seems like it caused a lot of problems.
This is a minimal setuid root program which changes the cpu governor
state. I don't like setuid root binaries, but this was the easiest way
to experiment. I need to do some tests to see if changing the cpu
governor state actually makes much of a difference in terms of battery
life. With this kernel, the default governor is schedutil, which
takes the CPU scheduler into account.
If you manage to install qsleep.sh as a system service, you can
remove this hack. This is tricky, however, because wlr-randr, which
is used to turn the screen on and off, doesn't work when run as root.