[root@faspbsy0002 me]# journalctl -xf -l --unit httpd
-- Logs begin at Sun 2020-01-26 18:58:11 CST. --
Jan 29 08:33:41 faspbsy0002 httpd[20834]: (98)Address already in use: AH00072: make_sock: could not bind to address [::]:80
Jan 29 08:33:41 faspbsy0002 httpd[20834]: (98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80
Jan 29 08:33:41 faspbsy0002 httpd[20834]: no listening sockets available, shutting down
Jan 29 08:33:41 faspbsy0002 httpd[20834]: AH00015: Unable to open logs
Jan 29 08:33:41 faspbsy0002 systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE
Jan 29 08:33:41 faspbsy0002 kill[20836]: kill: cannot find process ""
Jan 29 08:33:41 faspbsy0002 systemd[1]: httpd.service: control process exited, code=exited status=1
Jan 29 08:33:41 faspbsy0002 systemd[1]: Failed to start The Apache HTTP Server.
-- Subject: Unit httpd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit httpd.service has failed.
--
-- The result is failed.
Jan 29 08:33:41 faspbsy0002 systemd[1]: Unit httpd.service entered failed state.
Jan 29 08:33:41 faspbsy0002 systemd[1]: httpd.service failed.