pi@raspberrypi:~ $ sudo systemctl --no-pager status unifi -l
â unifi.service - unifi
   Loaded: loaded (/lib/systemd/system/unifi.service; enabled; vendor preset: enabled)
   Active: active (running) since Thu 2019-02-14 14:08:52 CET; 3min 54s ago
  Process: 363 ExecStart=/usr/lib/unifi/bin/unifi.init start (code=exited, status=0/SUCCESS)
 Main PID: 436 (jsvc)
   CGroup: /system.slice/unifi.service
           ââ436 unifi -cwd /usr/lib/unifi -home /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt -cp /usr/share/java/commons-daemon.jar:/usr/lib/unifi/lib/ace.jar -pidfile /var/run/unifi.pid -procname unifi -outfile SYSLOG -errfile SYSLOG -umask 027 -user unifi -Dunifi.datadir=/var/lib/unifi -Dunifi.logdir=/var/log/unifi -Dunifi.rundir=/var/run/unifi -Xmx1024M -Djava.awt.headless=true -Dfile.encoding=UTF-8 com.ubnt.ace.Launcher start
           ââ437 unifi -cwd /usr/lib/unifi -home /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt -cp /usr/share/java/commons-daemon.jar:/usr/lib/unifi/lib/ace.jar -pidfile /var/run/unifi.pid -procname unifi -outfile SYSLOG -errfile SYSLOG -umask 027 -user unifi -Dunifi.datadir=/var/lib/unifi -Dunifi.logdir=/var/log/unifi -Dunifi.rundir=/var/run/unifi -Xmx1024M -Djava.awt.headless=true -Dfile.encoding=UTF-8 com.ubnt.ace.Launcher start
           ââ438 unifi -cwd /usr/lib/unifi -home /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt -cp /usr/share/java/commons-daemon.jar:/usr/lib/unifi/lib/ace.jar -pidfile /var/run/unifi.pid -procname unifi -outfile SYSLOG -errfile SYSLOG -umask 027 -user unifi -Dunifi.datadir=/var/lib/unifi -Dunifi.logdir=/var/log/unifi -Dunifi.rundir=/var/run/unifi -Xmx1024M -Djava.awt.headless=true -Dfile.encoding=UTF-8 com.ubnt.ace.Launcher start

feb 14 14:07:37 raspberrypi systemd[1]: Starting unifi...
feb 14 14:07:46 raspberrypi unifi[437]: feb. 14, 2019 2:07:46 PM org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
                                        INFO: I/O exception (java.net.ConnectException) caught when processing request: Opkobling nægtet
feb 14 14:07:46 raspberrypi unifi[437]: feb. 14, 2019 2:07:46 PM org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
                                        INFO: Retrying request
feb 14 14:07:46 raspberrypi unifi[437]: feb. 14, 2019 2:07:46 PM org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
                                        INFO: I/O exception (java.net.ConnectException) caught when processing request: Opkobling nægtet
feb 14 14:07:46 raspberrypi unifi[437]: feb. 14, 2019 2:07:46 PM org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
                                        INFO: Retrying request
feb 14 14:07:46 raspberrypi unifi[437]: feb. 14, 2019 2:07:46 PM org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
                                        INFO: I/O exception (java.net.ConnectException) caught when processing request: Opkobling nægtet
feb 14 14:07:46 raspberrypi unifi[437]: feb. 14, 2019 2:07:46 PM org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
                                        INFO: Retrying request
feb 14 14:08:52 raspberrypi unifi.init[363]: Starting Ubiquiti UniFi Controller: unifi failed!
feb 14 14:08:52 raspberrypi systemd[1]: Started unifi.