[Unit]
Description=Tor the Onion Router
After=network.target
#
#         Name: /usr/lib/systemd/system/tor.service (SystemD service file)
#

[Service]
Type=notify
EnvironmentFile=-/etc/sysconfig/tor
#ExecStart=/usr/opt/tor/bin/tor
ExecStart=/etc/init.d/tor start
# above requires SysV Init counterpart, but works
#ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
RestartPreventExitStatus=255
TasksMax=infinity

[Install]
WantedBy=multi-user.target