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, […]
Read More ›

How to Use Multimedia on Red Hat and CentOS

Red Hat Linux won’t play MP3 audio or MPEG video files. This isn’t a new issue. Red Hat removed the codecs, the encoding and decoding shared libraries, back in September 2002 when Red Hat 8 came out. For the first five years they provided an explanation, you can still find it at archive.org. The decision […]
Read More ›

You Just Installed Red Hat? Now It’s Time to Fix the Names

The installer for Red Hat Enterprise Linux ported faithfully to CentOS, doesn’t give you a lot of control. Or at least not obvious control. You can work around some of the annoyances if you know the right tricks. Let’s look into fixing some of them after the fact. This will be a usefully challenging test […]
Read More ›

Linux Virtualization Part 4: Manage, Monitor, and Control Your Virtual Machines with libvirt

I’ve been writing the last two weeks about Linux virtualization, including how to use Containers and Docker and how to virtualize multiple operating systems on different architectures. We can do many powerful things, but you may be getting worried — how hard is it to control all these widely varying virtualization technologies? There’s good news: […]
Read More ›

Red Hat’s NetworkManager and Firewall Daemon — Nice Ideas, But Not For My Server

I have a suggestion that may look strange at first, but bear with me: Red Hat Enterprise Linux includes two core networking services that should be disabled. Red Hat provides two operating systems, Fedora and Red Hat Enterprise Linux or RHEL. My suggestion makes more sense when we consider how RHEL is developed. Both Fedora […]
Read More ›

Type to search blog.learningtree.com

Do you mean "" ?

Sorry, no results were found for your query.

Please check your spelling and try your search again.