The following message is reported to me when I try to start apache2.
* Restarting web server apache2
ulimit: 88: error setting limit (Operation not permitted)
ulimit: 88: error setting limit (Operation not permitted)
(13)Permission denied: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down
Unable to open logs
Action 'start' failed.
The Apache error log may have more information.
[fail]