apache
Stop Apache
sudo apachectl stop
sudo apachectl -k stop
Start Apache
sudo apachectl start
sudo apachectl -k start
Restart Apache
sudo apachectl restart
sudo apachectl -k restart
Run a configuration file syntax check
sudo apachectl configtest
Reload apache web server after config file modification
Example for editing
$ sudo vi /etc/apache2/httpd.conf
sudo apachectl graceful
sudo apachectl -k graceful
If you want to check command result
add echo $?
after the command.
Example
sudo apachectl restart; echo $?