当我安装 apache2 时出现以下错误。
Job for apache2.service failed because the control process exited with error code.
See "systemctl status apache2.service" and "journalctl -xe" for details.
invoke-rc.d: initscript apache2, action "start" failed.
● apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2020-12-18 18:09:15 IST; 9ms ago
Docs: https://httpd.apache.org/docs/2.4/
Process: 43699 ExecStart=/usr/sbin/apachectl start (code=exited, status=127)
Dec 18 18:09:15 rushikesh systemd[1]: Starting The Apache HTTP Server...
Dec 18 18:09:15 rushikesh apachectl[43721]: /usr/sbin/apachectl: 174: /usr/sbin/apache2: not found
Dec 18 18:09:15 rushikesh apachectl[43699]: Action 'start' failed.
Dec 18 18:09:15 rushikesh apachectl[43699]: The Apache error log may have more information.
Dec 18 18:09:15 rushikesh systemd[1]: apache2.service: Control process exited, code=exited, status=127/n/a
Dec 18 18:09:15 rushikesh systemd[1]: apache2.service: Failed with result 'exit-code'.
Dec 18 18:09:15 rushikesh systemd[1]: Failed to start The Apache HTTP Server.
root@rushikesh:/# systemctl status apache2
apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2020-12-18 18:15:47 IST; 1min 46s ago
Docs: https://httpd.apache.org/docs/2.4/
Process: 45201 ExecStart=/usr/sbin/apachectl start (code=exited, status=127)
Dec 18 18:15:47 rushikesh systemd[1]: Starting The Apache HTTP Server...
Dec 18 18:15:47 rushikesh apachectl[45215]: /usr/sbin/apachectl: 174: /usr/sbin/apache2: not found
Dec 18 18:15:47 rushikesh apachectl[45201]: Action 'start' failed.
Dec 18 18:15:47 rushikesh apachectl[45201]: The Apache error log may have more information.
Dec 18 18:15:47 rushikesh systemd[1]: apache2.service: Control process exited, code=exited, status=127/n/a
Dec 18 18:15:47 rushikesh systemd[1]: apache2.service: Failed with result 'exit-code'.
Dec 18 18:15:47 rushikesh systemd[1]: Failed to start The Apache HTTP Server.
我尝试了所有方法来解决这个问题，但还是没有解决。
知道可能出现什么问题以及如何解决这个问题吗？