how to do apache restart?
['Restart Apache 2 web server, enter: # /etc/init.d/apache2 restart. $ sudo /etc/init.d/apache2 restart. ... ', 'To stop Apache 2 web server, enter: # /etc/init.d/apache2 stop. ... ', 'To start Apache 2 web server, enter: # /etc/init.d/apache2 start.']