RedHat Linux command to reload or restart network (login as root user):
# service network restart
OR# /etc/init.d/network restart
To start Linux network service:# service network start
To stop Linux network service:# service network stop
Debian Linux command to reload or restart network:# /etc/init.d/networking restart
To start Linux network service:# /etc/init.d/networking start
To stop Linux network service:# /etc/init.d/networking stop
Ubuntu Linux user use sudo command with above Debian Linux command:# sudo /etc/init.d/networking restart
To start Linux network service:# sudo /etc/init.d/networking start
To stop Linux network service:# sudo /etc/init.d/networking stop