Which Linux Training is Best for Programmers and Server Administrators?

In this blog I started explaining Learning Tree’s array of Linux training courses. I divided them into courses that prepare you for certification exams, versus those that teach you to use and manage the Linux environment. I explained the CompTIA, Microsoft, and Red Hat certification test-prep courses. Now let’s look at the courses that teach […]
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Which Linux Training Should I Select?

Linux skills are crucial today. The Linux Foundation has found that, “as of 2017, the Linux operating system runs 90 percent of the public cloud workload.” However, running a server means getting down into the details. The Linux command line is an alphabet soup of terse commands. It really does become intuitive at some point. […]
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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, […]
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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 […]
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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 […]
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