Edit file File name : htcacheclean.service Content :[Unit] Description=Disk Cache Cleaning Daemon for Apache HTTP Server After=httpd.service ConditionPathExists=/etc/apache2/modules/mod_cache_disk.so [Service] Type=forking User=nobody PIDFile=/var/run/apache2/htcacheclean/pid EnvironmentFile=/etc/sysconfig/htcacheclean ExecStart=/usr/sbin/htcacheclean -P /var/run/apache2/htcacheclean/pid -d $INTERVAL -p $CACHE_ROOT -l $LIMIT $OPTIONS Save