/lib/systemd/system/NetworkManager.service is in network-manager 1.1.93-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | [Unit]
Description=Network Manager
Wants=network.target
After=network-pre.target dbus.service
Before=network.target
[Service]
Type=dbus
BusName=org.freedesktop.NetworkManager
ExecReload=/bin/kill -HUP $MAINPID
ExecStart=/usr/sbin/NetworkManager --no-daemon
Restart=on-failure
# NM doesn't want systemd to kill its children for it
KillMode=process
CapabilityBoundingSet=CAP_NET_ADMIN CAP_DAC_OVERRIDE CAP_NET_RAW CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_MODULE CAP_AUDIT_WRITE CAP_KILL CAP_SYS_CHROOT
ProtectSystem=true
ProtectHome=read-only
[Install]
WantedBy=multi-user.target
Also=NetworkManager-dispatcher.service
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