Chrome Remote Desktop - DISPLAY=:0 sharing

⁄etc⁄systemd⁄system⁄[email protected]

[Unit]
Description=Chromoting Server for X11
Requires=display-manager.service
Wants=network-online.target user@%i.service
After=display-manager.service network-online.target

[Service]
User=%I
Group=chrome-remote-desktop
PermissionsStartOnly=true
Environment=DISPLAY=:0 XAUTHORITY=%t/x11chromoting@%i/.Xauthority
ExecStartPre=/bin/sh -ec ' \
  su sddm -s /bin/sh -c \' \
    set -e; \
    for i in /var/run/sddm/*; do \
      xauth -f "$$i" -q -i nlist; \
    done\' | \
  su "$(getent passwd "%I" | awk -F: \'{print$$1}\')" -g chrome-remote-desktop -s /bin/sh -c \'xauth nmerge -\''
ExecStart=/opt/google/chrome-remote-desktop/chrome-remote-desktop-host --host-config="${HOME}/.config/chrome-remote-desktop/host#????????????????????????????????.json"
RuntimeDirectory=x11chromoting@%i
Restart=always
StartLimitInterval=0
RestartSec=1

[Install]
WantedBy=graphical.target

Notes:

• Assumes it can grab xauth MIT-MAGIC-COOKIE from SDDM session manager's private runtime directory. Needs adjusting for other display managers.
• Replace host#????????????????????????????????.json with the correct path generated after you set up the CRD host.