W3C Services

• HTML/XHTML Validator: http://validator.w3.org/
• CSS Validator: http://jigsaw.w3.org/css-validator/
• Semantic Data Extractor: http://www.w3.org/2003/12/semantic-extractor.html

How to Start/Stop Apache in Ubuntu Linux

To start/stop Apache in Ubuntu use this 2 commands:

1. sudo /etc/init.d/apache2 start (to start)
2. sudo /etc/init.d/apache2 stop (to stop)

also use this command to restart Apache:

• sudo /etc/init.d/apache2 restart