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Category Archives: centos
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How to programmatically determine the highest version kernel RPM installed?
Background
Recently on the StackExchange site Unix & Linux the following question came up which seemed easy enough to answer.
How to programmatically determine the highest version kernel RPM installed?
This turned out to be trickier than I originally thought. What follows is my ultimate answer along with several failed attempts. I leave them so that others can […]
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Posted in centos, fedora, package management, rhel, rpm, Syndicated, sysadmin, tip, tutorials
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[one-liner]: Dealing with UEFI
Background
UEFI looks to be a major pain in the @$$, but like it or hate it everyone in the Linux community will need to learn to navigate it. Here’s a list of useful UEFI resources that I’ve come across as I’ve started to get smarter about how to deal with this beast.
Solution
Wikipedia
Unified Extensible Firmware […]
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Posted in centos, fedora, one-liner, redhat, rhel, Syndicated, tips & tricks, UEFI
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[one-liner]: Download an RTMP Stream & Convert it to an MP3 File via the Fedora/CentOS Command Line
Background
I recently wanted to download a podcast that was being served via a RTMP stream. RTMP (Real Time Messaging Protocol) was initially a proprietary protocol developed by Macromedia for streaming audio, video and data over the Internet, between a Flash player and a server. Macromedia is now owned by Adobe, which has released the specification […] Continue reading
Posted in audio, centos, fedora, mp3, one-liner, script, streaming, Syndicated, tips & tricks
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[one-liner]: Using yum-builddep to Speed Up the Building of SRPMs on Fedora & CentOS
Background
I just came across this nifty little tool called yum-builddep, which is part of the yum-utils package. It can be a really big time saver if you need to build source RPMS (SRPMs). What does it do? yum-builddep, installs all the RPM dependencies required to build a given SRPM.
Solution
Installation is a snap, it’s just part […] Continue reading
Posted in centos, fedora, one-liner, package management, redhat, rhel, rpm, Syndicated
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[one-liner]: Installing 3rd Party Apps (Java, Skype, MS Fonts, and Codecs) using the app easyLife on Fedora Linux
Background
Never heard of this app before, easyLife, but it purports to simplifying the installation of the extras that you typically will need on your Fedora system, (i.e. Java, Nvidia, Skype, Adobe Flash, Fonts, etc.). It works like other apps have in the past, Automatix & Ultamatix, on Ubuntu, and Fedora Frog just to name a […] Continue reading
Posted in centos, fedora, one-liner, redhat, rhel, Syndicated, sysadmin, tips & tricks
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How to Add a New Hard Drive to a Linux Software RAID (CentOS & Fedora)
Getting Started
A while back I setup a 1TB hard drive for backing up my primary file server. That 1TB drive was setup in a software RAID, a RAID 1 mirror to be exact. However I opted at the time to only add the one drive to the RAID, mainly because I only had just the […] Continue reading
CentOS RPM Tutorial Part 4 – Another Example of Rolling your Own .spec File
Getting Started
In this 4th installment of my series on RPM packages I’m going to show another example where I package up a tarball that I’ve created, and roll it into an RPM file. For this example I’ll be packaging up a Perl script and a man page. NOTE: Refer to my previous posts (part 1, […] Continue reading
[one-liner]: Installing Adobe Flash Player 11.1 on Fedora 14 64bit
Background
While processing some updates on my Fedora 14 (x86_64) laptop the other day, Adobe Flash Player inexplicably stopped working. Looks like there’s a 64bit version of flash now available. Not sure when this happened, but I was using a 32bit version of flash, wrapped so that it would work with 64bit. For whatever reason the […] Continue reading
Posted in centos, fedora, one-liner, redhat, rhel, Syndicated, tips & tricks
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[one-liner]: Using the Linux Command, dirsplit, to Dynamically Backup a Directory Over Multiple DVDs
Background
At my day job I deal with a fair amount of image data. We typically are shipping the data out on either hard drives, thumb drives, or via SFTP. On occasion we will some times burn it to a CD and/or a DVD. But until today all the data was either large sets (200-400GB) variety, […] Continue reading
[one-liner]: Howto Install Firefox 10.x on Fedora 14, CentOS 5.x & 6.x
Background
If you’re like me and still hanging back on Fedora 14, here’s a way to stay on the latest versions of Firefox without having to upgrade Fedora just yet.
Solution
Thanks to this post on the if-not-true-then-false blog (aka. if !1 0), it’s pretty easy to get firefox 10 working just fine on Fedora 14. Here are […] Continue reading
Posted in centos, fedora, firefox, one-liner, redhat, rhel, Syndicated, tips & tricks
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