[Unit]
Description = Backup server
After = local-fs.target,network-online.target

[Service]
ExecStartPre =-/bin/mkdir /run/lock/burp
ExecStartPre =-/bin/chown burp:burp /run/lock/burp
ExecStart = /usr/sbin/burp -c /etc/burp/burp-server.conf -F

[Install]
WantedBy = multi-user.target