RESET THE SERVICES IN UBUNTU

Mysql:

sudo /etc/init.d/mysql.server stop
sudo /etc/init.d/mysql.server start

Apache tomcat application server:

sudo /opt/apache-tomcat-7.0.19/bin/shutdown.sh
sudo /opt/apache-tomcat-7.0.19/bin/startup.sh

Apache web server:

sudo /usr/local/apache2/bin/apachectl stop
sudo /usr/local/apache2/bin/apachectl start