Modify Apache default port 80

Error:

October 16:02:54 java01-inside httpd[43927]: No listening sockets available, shutting down

Because Apache's default port of 80 is occupied, it needs to be modified to other listening ports

View Apache/http Default Listening port

#netstat-LNP |grep http

Modifying a configuration file/etc/httpd/conf/httpd.conf

#vim/etc/httpd/conf/httpd.conf

#Listen 12.34.56.78:80

Listen 80 Change the default port 80 to 433

: Wq Save Exit

To restart the HTTPD service, you can:

#systemctl Restart Httpd.service

#service httpd Restart

#/usr/sbin/httpd start

Modify Apache default port 80