[Unit] Description=FastDFS trackerd service After=network-online.target [Service] Type=forking PIDFile=/opt/fastdfs/data/fdfs_trackerd.pid ExecStart=/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf start ExecStop=/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf stop # No artificial start/stop timeout TimeoutSec=0 # Disable OOM kill by Linux kernel OOMScoreAdjust=-1000 [Install] WantedBy=multi-user.target