Linux Creating or Adding New Network Alias To a Network Card (NIC) in Categories CentOS, Debian / Ubuntu, Linux, Networking, RedHat and Friends, Ubuntu Linux last updated January 24, 2009Q. I would like to create alias for my network card (NIC). How do I setup 2 IP address on One NIC? How do I add alias under Centos / Fedora / Debian / Ubuntu Linux?