How do I restart Linux network service?

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

How Do I Remotely Reboot Linux System?

A remote Linux / UNIX server can be rebooted using following methods:

A) Login to remote server using ssh as root user and use any one of the following syntax:

ssh [email protected]

OR

ssh [email protected]

When prompted for password please supply remote server root password.

B) Type reboot command as follows:

reboot

You can also save time using the following reboot command over ssh session:
ssh [email protected] reboot
ssh [email protected] reboot