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SignageWithAlpineLinux: Unterschied zwischen den Versionen
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zwischenstand
HKay (Diskussion | Beiträge) (2nd draft) |
HKay (Diskussion | Beiträge) K (zwischenstand) |
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Signage with Alpine linux on the raspberry pi
=== setup image ===
* Format SD-Card as FAT32 with a MSDOS partition table
* Grab the base file system from the alpine linux [https://www.alpinelinux.org/downloads/ website] (pick aarch64)
* Mount new partition and unzip archive directly to SDcard
* umount and plug SDcard into raspberry pi
* boot and log in as "root" without entering a password
* Make sure the raspberry-pi is connected to the internet
=== prepare base system ===
* start "setup-alpine"
* Agree to install on /dev/mmcblk0p1
* install as "sys"
* add user e.g. "sign"
* reboot the system
* (optional) continue via SSH
* apk update
* nano /etc/apk/repositories and uncomment the community repository
* apk update
▲* apk add nano screen
=== setup base system ===
* add file boot/usercfg.txt▼
* apk add screen
▲* add file boot/usercfg.txt with the following content
disable_overscan=1
dtoverlay=vc4-kms-v3d
* (optional) switch to udev
setup-devd
=== setup viewer ===
* install window manager
apk add seatd wlr-randr mesa-dri-gallium sway
apk add wlr-randr chromium wtype
* start seatd on boot and add "sign" to its group
rc-service seatd start
rc-update add seatd default
adduser
* setup autostart of of sway as user "sign"▼
* copy and edit sway config for user "sign"
mkdir -p /home/sign/.config/sway
cp /etc/sway/config /home/sign/.config/sway
echo "
echo "seat seat0 hide_cursor 8000 # hide cursor▼
# hide cursor
exec /home/sign/run.sh" >> ~/.config/sway▼
# force fullhd
output HDMI-A-1 mode 1920x1080
echo "#!/bin/sh
su -c /home/sign/autostart.sh - sign &" > /etc/local.d/user-sign.start
rc-update add local default
* configure XDG_RUNTIME_DIR
echo "if test -z "${XDG_RUNTIME_DIR}"; then
export XDG_RUNTIME_DIR=/tmp/$(id -u)-runtime-dir
if ! test -d "${XDG_RUNTIME_DIR}"; then
mkdir "${XDG_RUNTIME_DIR}"
chmod 0700 "${XDG_RUNTIME_DIR}"
fi
fi" > /home/sign/.profile
* autostart chromium inside sway on boot
echo "#!/bin/sh
sway" > /home/sign/autostart.sh
echo "#!/bin/sh
chromium-browser --kiosk -incognito \
--enable-features=UseOzonePlatform --ozone-platform=wayland \
--start-fullscreen --noerrdialogs --disable-infobars --disk-cache-dir=/dev/null \
--disk-cache-size=1 'https://example.com' &
while true; do
# after a while all browsers begin to stutter. Here is a crude fix
sleep 600
WAYLAND_DISPLAY=wayland-1 wtype -P F5
done" > /home/sign/swaystart.sh
* fix file permissions
chmod +x /home/sign/autostart.sh
chmod +x /home/sign/swaystart.sh
=== setup SPN viewer ===
apk add font-noto-emoji # for snake emojis
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