# apache2ctl > Administrate the Apache HTTP web server. > This command comes with Debian based OSes, for RHEL based ones see `httpd`. > More information: . - Start the Apache daemon. Throw a message if it is already running: `sudo apache2ctl start` - Stop the Apache daemon: `sudo apache2ctl stop` - Restart the Apache daemon: `sudo apache2ctl restart` - Test syntax of the configuration file: `sudo apache2ctl -t` - List loaded modules: `sudo apache2ctl -M`