systemctl start apache2.service
Getting this error:-
Job for apache2.service failed because the control process exited with error code. See "systemctl status apache2.service" and "journalctl -xe" for details.
Logs of systemctl status apache2.service
● apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; disabled; vendor preset: enabled)
Drop-In: /lib/systemd/system/apache2.service.d
└─apache2-systemd.conf
Active: failed (Result: exit-code) since Tue 2020-06-02 08:24:55 IST; 49s ago
Process: 9759 ExecStart=/usr/sbin/apachectl start (code=exited, status=127)
Jun 02 08:24:55 GS-4996 systemd[1]: Starting The Apache HTTP Server...
Jun 02 08:24:55 GS-4996 apachectl[9759]: /usr/sbin/apachectl: 174: /usr/sbin/apachectl: /usr/sbin/apache2: not found
Jun 02 08:24:55 GS-4996 apachectl[9759]: Action 'start' failed.
Jun 02 08:24:55 GS-4996 apachectl[9759]: The Apache error log may have more information.
Jun 02 08:24:55 GS-4996 systemd[1]: apache2.service: Control process exited, code=exited status=127
Jun 02 08:24:55 GS-4996 systemd[1]: apache2.service: Failed with result 'exit-code'.
Jun 02 08:24:55 GS-4996 systemd[1]: Failed to start The Apache HTTP Server.
Looks like the apache2 file is not available on server. /usr/sbin/apache2 is provided by apache2-bin. apache2-bin is a dependency of the apache2 package, so apache2 will not work properly without it. Open the terminal and type:
sudo apt install --reinstall apache2-bin
sudo service apache2 start