2024-06-03 08:43:27 +08:00
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# 关于 Weston 的一些配置
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Error running systemd as user - Failed to connect to bus: $DBUS_SESSION_BUS_ADDRESS and $XDG_RUNTIME_DIR not defined
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```md
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The quick solution
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Assuming someuser uses bash as their login shell, add the following exports to ~someuser/.profile [1]:
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export XDG_RUNTIME_DIR="/run/user/$UID"
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export DBUS_SESSION_BUS_ADDRESS="unix:path=${XDG_RUNTIME_DIR}/bus"
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Then, a user with root/sudo privileges can interact with someuser's systemd by wrapping the command with runuser:
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sudo runuser someuser -l -c "systemctl --user enable ipfs"
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sudo runuser someuser -l -c "systemctl --user start ipfs"
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runuser someuser -l -c "printenv" can help to troubleshoot these and other exported environment variables.
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```
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```bash
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apt install weston
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/etc/xdg/weston/weston.ini
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```
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```bash
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[core]
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xwayland=true
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backend=drm-backend.so
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[keyboard]
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keymap_layout=gb
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[output]
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name=DSI-1
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mode=1024x600
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[launcher]
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icon=/usr/share/icons/locolor/32x32/apps/gvim.png
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path=/usr/bin/weston-terminal
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```
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```weston.ini
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backend=headless-backend.so
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overrides defaults backend. Available backend modules in the /usr/lib/x86_64-linux-
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gnu/weston directory are:
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drm-backend.so
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fbdev-backend.so
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headless-backend.so
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rdp-backend.so
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rpi-backend.so
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wayland-backend.so
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x11-backend.so
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```
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2024-06-13 14:29:39 +08:00
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output name 对应 /sys/class/drm 下的视频输出节点。
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2024-06-03 08:43:27 +08:00
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```bash
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sudo -E XDG_RUNTIME_DIR="/run/user/1000" weston-launch --tty=/dev/tty2 --user=cat
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usermod -aG video user123
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usermod -a -G weston-launch user-name
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gst-play-1.0 Big_Buck_Bunny_720_10s_30MB.mp4 --videosink=waylandsink0
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apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-doc gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5 gstreamer1.0-pulseaudio
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```
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2024-06-03 15:53:06 +08:00
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<https://wayland.pages.freedesktop.org/weston/toc/running-weston.html#running-weston-on-a-different-seat-on-a-stand-alone-back-end>
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