Ubuntu Server - eth0:0 missing after reboot

Question

I have a virtual interface for my VPN on my Ubuntu Server VPS. I added this to the /etc/network/interfaces file:

iface eth0:0 inet static
    address 172.22.1.1
    netmask 255.255.255.0

The problem is, after a reboot, the interface is not added by the system. I have to type:

ifconfig eth0:0 172.22.1.1/24

manually.

Is it possible to add a virtual interface to the interfaces file, or do I have to do something else?

Answer 1

Got it! I had to add "auto eth0:0" to the file.