[Unit]
Description=GNS3 server
Wants=network-online.target
After=network.target network-online.target

[Service]
Type=forking
User=gns3
Group=gns3
PermissionsStartOnly=true
ExecStartPre=/bin/mkdir -p /var/log/gns3 /var/run/gns3
ExecStartPre=/bin/chown -R gns3:gns3 /var/log/gns3 /var/run/gns3
ExecStart=/usr/local/bin/gns3server --log /var/log/gns3/gns3.log \
 --pid /var/run/gns3/gns3.pid --daemon
ExecReload=/bin/kill -s HUP $MAINPID
Restart=on-abort
PIDFile=/var/run/gns3/gns3.pid

[Install]
WantedBy=multi-user.target