How do I add additional IP addresses? [CentOS, Ubuntu, Debian]
To add additional IP addresses to your CentOS server you'll need to copy the ifcfg-eth0 or ifcfg-em1 file and rename it to ifcfg-eth0:0 or ifcfg-em1:0. In this tutorial we will use the em1 adapter:
cp ifcfg-em1 ifcfg-em1:0
Once we copied the ifcfg-em1 file and renamed it to ifcfg-em1:0 we can edit the file:
Edit your file to match this (edit the ADDITIONAL.IP, the gateway and netmask to the details you'll find in the clientarea on the My Services page -> Server or contact support):
Once you edited the file and saved it, you can start the adapter:
It can be the connection to your server is discontinued for 5-10 minutes.
If you want to add more IP's, repeat the process above. Rename the the filename to ifcfg-em1:X and set the device name to em1:X.
Debian and Ubuntu
To add an additional IP to debian or ubuntu like systems edit the file interfaces in /etc/network:
You'll see a file that looks like this:
auto eth0 iface eth0 inet static address 192.168.1.1 netmask 255.255.255.0 gateway 192.168.1.254Edit the file to look like this:
auto eth0 iface eth0 inet static address 192.168.1.1 netmask 255.255.255.0 gateway 192.168.1.254 auto eth0:0 iface eth0:0 inet static address 192.168.1.2 netmask 255.255.255.0Save the file and bring up the device with this command:
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