Do You Know the New Names for Linux Network Interfaces?
Do you know how to check the IP address of a Linux server? “Of course!”, you say, and you type this: $ ifconfig eth0 Not anymore! Both the command ifconfig and the interface name eth0 have been obsolete for a few years now. However, many organizations still use something like Red Hat Enterprise Linux 6, […]
IPv6 — The White Elephant in the Room
In 1983, in the midst of the Cold War and Irene Cara’s Flashdance, IPv4 was born. At the time, the conventional wisdom was that 4+ Billion (232 to be precise) unique IP addresses would be more than enough for all of humanity for a very long time. But then the Internet escaped from the guarded […]
Software-Defined Networking Runs Large Data Centers
Learning Tree’s new Software Defined Networking course just had its test run, and when the course starts running in January, I think it will be a popular one. Software Defined Networking (or SDN) has been a crucial part of telecommunication carrier networking for years, and now a form of it is moving into the data […]