/lib/systemd/system/ModemManager.service is in modemmanager 1.4.12-1ubuntu1.
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 | [Unit]
Description=Modem Manager
After=syslog.target
[Service]
Type=dbus
BusName=org.freedesktop.ModemManager1
ExecStart=/usr/sbin/ModemManager
StandardError=null
Restart=on-abort
[Install]
WantedBy=multi-user.target
Alias=dbus-org.freedesktop.ModemManager1.service
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