Some commands you should know to control Apache web server:
1. Start server:
[root@localhost ~]# apachectl start
or
[root@localhost ~]# httpd -k start
2. Stop server
[root@localhost ~]# apachectl stop
or
[root@localhost ~]# httpd -k stop
3. Restart server
[root@localhost ~]# apachectl restart
or
[root@localhost ~]# httpd -k restart
4. Check version
[root@localhost ~]# apachectl -v
or
[root@localhost ~]# httpd -v
5. List compiled modules
[root@localhost ~]# httpd -l
6. Show all loaded modules
[root@localhost ~]# httpd -t -D DUMP_MODULES
7. Syntax check for config files ~/httpd.conf
[root@localhost ~]# httpd -t
Have fun!@