dsd · August 26, 2025 07:31
diff --git a/gistfile1.txt b/gistfile1.txt
 [Unit]
 Description=Mutter Wayland Compositor with Root Shell
 # This service should start after logind is ready and devices are settled.
 After=systemd-logind.service systemd-udev-settle.service

 [Service]
 # Run the service as the root user.
 User=root
 # Add root to the 'video' and 'input' groups for direct hardware access.
 SupplementaryGroups=video input

 # This is the key step to create a login session.
 # It tells systemd to use the 'login' PAM service, which will
 # use pam_systemd.so to register a proper session with logind.
 PAMName=login

 # systemd will automatically create /run/user/0 for the root user (UID 0)
 # and clean it up when the service stops. This is crucial.
 RuntimeDirectory=user/0
 # This sets the environment variable that tells Wayland apps where to find
 # essential runtime files (like the Wayland socket).
 Environment=XDG_RUNTIME_DIR=/run/user/0

 # The command to execute. Let's break it down:
 # 1. dbus-run-session: Starts a private D-Bus message bus, which Mutter needs.
 # 2. mutter --display-server: Starts Mutter as the primary compositor.
 # 3. -- /usr/bin/foot: Specifies the program to run inside Mutter.
 #    'foot' is a lightweight Wayland terminal. You can replace it with
 #    another terminal like 'gnome-terminal' if you have it installed.
 ExecStart=/usr/bin/dbus-run-session -- /usr/bin/mutter --display-server -- /usr/bin/foot

 # Attach this service's input and output to a specific virtual terminal.
 # We use tty2 to avoid conflicts with the default console, which is often on tty1.
 TTYPath=/dev/tty2
 StandardInput=tty
 StandardOutput=tty
 StandardError=journal

 # Automatically restart the service if it ever fails.
 Restart=always
 RestartSec=1

 [Install]
 # This ensures the service is started as part of the default graphical session.
 WantedBy=graphical.target
	[Unit]
	Description=Mutter Wayland Compositor with Root Shell
	# This service should start after logind is ready and devices are settled.
	After=systemd-logind.service systemd-udev-settle.service

	[Service]
	# Run the service as the root user.
	User=root
	# Add root to the 'video' and 'input' groups for direct hardware access.
	SupplementaryGroups=video input

	# This is the key step to create a login session.
	# It tells systemd to use the 'login' PAM service, which will
	# use pam_systemd.so to register a proper session with logind.
	PAMName=login

	# systemd will automatically create /run/user/0 for the root user (UID 0)
	# and clean it up when the service stops. This is crucial.
	RuntimeDirectory=user/0
	# This sets the environment variable that tells Wayland apps where to find
	# essential runtime files (like the Wayland socket).
	Environment=XDG_RUNTIME_DIR=/run/user/0

	# The command to execute. Let's break it down:
	# 1. dbus-run-session: Starts a private D-Bus message bus, which Mutter needs.
	# 2. mutter --display-server: Starts Mutter as the primary compositor.
	# 3. -- /usr/bin/foot: Specifies the program to run inside Mutter.
	# 'foot' is a lightweight Wayland terminal. You can replace it with
	# another terminal like 'gnome-terminal' if you have it installed.
	ExecStart=/usr/bin/dbus-run-session -- /usr/bin/mutter --display-server -- /usr/bin/foot

	# Attach this service's input and output to a specific virtual terminal.
	# We use tty2 to avoid conflicts with the default console, which is often on tty1.
	TTYPath=/dev/tty2
	StandardInput=tty
	StandardOutput=tty
	StandardError=journal

	# Automatically restart the service if it ever fails.
	Restart=always
	RestartSec=1

	[Install]
	# This ensures the service is started as part of the default graphical session.
	WantedBy=graphical.target
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