How To Enter The Cybersecurity Field
During Cybersecurity Awareness Month we hear about how important security is. Do your part! Be careful! It’s important. But additionally, the field offers job opportunities. How can you enter the cybersecurity field? You Need a Multi-Part Foundation Cybersecurity builds on fundamental knowledge and skills. What does it take to harden a server, then a network, […]
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 […]