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# linux-on-desktop
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My journey to get Alpine + Wayland + River to work on ThinkPad T14 G3 AMD
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## Preparing hardware
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Disable secure boot and fn-lock in bios (so that F-keys work as F-keys by default and require Fn for their secondary multimedia functions).
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## Installing Alpine
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Follow https://wiki.alpinelinux.org/wiki/Installation
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Note that you will need to use Rufus; Ventoy does not work on this laptop (hangs after choosing the image).
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## Installing River
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In `/etc/apk/repositories`, uncomment TODO
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```
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doas apk update
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doas apk add eudev
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doas setup-udev
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doas apk add mesa-dri-gallium mesa-va-gallium
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doas apk add river river-doc mandoc
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doas apk add adwaita-icon-theme foot ttf-dejavu
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doas rc-update add seatd
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doas rc-service seatd start
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doas addgroup YOURUSER audio
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doas addgroup YOURUSER input
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doas addgroup YOURUSER seat
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doas addgroup YOURUSER video
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doas addgroup YOURUSER wheel
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install -Dm0755 /usr/share/doc/river/examples/init -t ~/.config/river
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```
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Also:
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```
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doas apk add xwayland
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```
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because the latest river in testing is built in a way that requires xwayland.
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Try to run with
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```
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XDG_RUNTIME_DIR=/tmp river
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```
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You should see the blue screen of river. Try to open terminal with Win+Shift+Enter. Try to exit with Win+Shift+E.
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### Installing Waybar
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```
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doas apk add waybar
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```
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and add startup section at the end of river init file (`~/.config/river/init`):
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```
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# startup
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riverctl spawn "waybar"
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```
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## Hardware
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### Backlight
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```
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doas apk add light
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doas nano /etc/udev/rules.d/backlight.rules
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```
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add the following lines into backlight.rules to make it possible for all users in video group (not just superusers) to control backlight:
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```
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ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="amdgpu_bl0", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness"
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ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="amdgpu_bl0", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"
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```
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and then
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```
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doas rc-service udev restart
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```
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Backlight control with Fn+F5/F6 should work now.
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### Sound
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```
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doas apk add pamixer
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```
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TODO
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