当我运行时，sudo service apache2 start我收到此错误：
Job for apache2.service failed because the control process exited with error code.
See "systemctl status apache2.service" and "journalctl -xe" for details.
当我跑步时，systemctl status apache2.service我得到了这个：
? apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2019-01-15 16:20:26 -03; 7min ago
Process: 8101 ExecStart=/usr/sbin/apachectl start (code=exited, status=1/FAILURE)
ene 15 16:20:26 pc systemd[1]: Starting The Apache HTTP Server...
ene 15 16:20:26 pc apachectl[8101]: AH00558: apache2: …apache2 ×1