Thursday, January 23, 2014

Create a permanent virtual IP address in Linux [ permanently ]

In this post, we can see how to create a virtual IP address, based on an existing network interface (permanently).


In Linux you simply create a new, virtual interface in the interfaces file.
And add a network interface, based on an existing interface. The below example is a virtual IP based on eth0 – note if this is your second virtual IP you would use eth0:2, and so on.
You will need to change the IP addresses to match your network. Notice there is no gateway – usually you can only have one gateway per machine.
Restart networking for the changes to take effect.

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