Category Archives: centos

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[one-liner]: Opening CAD/CAM .dwg/.dxf Files under CentOS/Fedora/RHEL

Background

A co-worker of mine handed me some .dwg & .dxf files which I’d never seen before. Turns out they’re AutoCAD/AutoDesk files, but I had a hard time finding a decent viewer under Linux.

.dwg – a binary file format used for storing two and three dimensional design data and metadata
.dxf – Drawing Interchange Format, or [...] Continue reading

Posted in CAD, centos, fedora, one-liner, redhat, rhel, Syndicated, tips & tricks | Leave a comment

[one-liner]: Getting Networking Info from the Command Line using NetworkManager’s nm-tool Command

Background

This is just a quick post to capture a pretty useful networking command line tool, nm-tool, that’s included with NetworkManager.

Solution

nm-tool is really nice in the sense that it takes information from a lot of other command line tools, (such as ifconfig, iwconfig, iwlist, etc.) and integrates it into a single command. For example:

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# output from [...] Continue reading

Posted in centos, fedora, networking, one-liner, redhat, rhel, Syndicated, tips & tricks | Leave a comment

[one-liner]: Installing LibreOffice on CentOS 5 & 6

Background

I recently took the opportunity to install LibreOffice on my CentOS 5 system. The same steps worked on a CentOS 6 system as well. This blog post, LibreOffice for CentOS 5 or CentOS 6 install howto, was extremely helpful in figuring out how to accomplish this task.

Solution

This was pretty straight forward. The following steps, were [...] Continue reading

Posted in centos, LibreOffice, one-liner, OpenOffice, Syndicated, tips & tricks | Leave a comment

[one-liner]: Determining a CD/DVD Drive’s Write Speed Capabilities under Fedora/CentOS/RHEL

Background

Here’s a quick primer on how to determine the capabilities of a CD/DVD drive you may have on your Linux laptop or desktop using the little known command wodim. In truth, wodim is actually the app behind cdrecord & dvdrecord, which are little more than aliases.

NOTE: it’s available as wodim-1.1.11-3.fc14.x86_64 in the default Fedora 14 [...] Continue reading

Posted in cd, centos, DVD, fedora, one-liner, performance, redhat, rhel, Syndicated, tips & tricks | Leave a comment

[one-liner]: Archving a Directory Tree into a CD or DVD via the Command Line Using mkisofs on Fedora 14 & CentOS 5

Background

Recently I was putting together a script to build an archive of all the various files that a project was comprised from. One of the final tasks was to burn the entire lot of files to a CD or DVD, so I took the opportunity to figure out how to do this from the command [...] Continue reading

Posted in cd, centos, DVD, fedora, one-liner, redhat, rhel, Syndicated, sysadmin, tips & tricks | Leave a comment

[one-liner]: How to Backup a Movie DVD via the Command Line on Fedora 14 & CentOS 5

Background

Have you ever wanted to make a backup copy of a DVD via the command line? I don’t really care about the politics/legal issues around this simple task, I have 3 kids and don’t really feel like purchasing multiple copies of the same discs. So here’s a quick and dirty way to accomplish the [...] Continue reading

Posted in centos, DVD, fedora, one-liner, redhat, rhel, Syndicated, tips & tricks | Leave a comment

[one-liner]: OK’ing a Dialog Box that’s Displayed Partially Off Screen Under GNOME

Background

I recently ran into this problem where I was presented by Fedora’s package manager with a dialog box that had its OK/Cancel buttons being displayed off screen. This solution doesn’t necessarily fix this problem, but does give you a way to work around it.

Solution

The solution is pretty straightforward. Within GNOME there is a keyboard/mouse binding [...] Continue reading

Posted in centos, fedora, GNOME, one-liner, redhat, Syndicated, tips & tricks | Leave a comment

CentOS RPM Tutorial Part 3 – Building your own RPM of JBoss

Getting Started

In this 3rd instalment of my series on RPM packages I’m going to show an example where I package up a zip file and roll it into an RPM file. For this example I’ll be packaging the Java Application Server, JBoss 4.2.3.GA. NOTE: Refer to my previous posts (part 1 & part 2) regarding [...] Continue reading

Posted in centos, linux, package management, rhel, rpm, Syndicated, tutorials | Leave a comment

[one-liner]: Increasing a KVM guest’s Memory on CentOS 5

Background

Recently the need came up to increase the amount of RAM I had allocated to an already running KVM guest VM on a CentOS 5 KVM host. This is a pretty easy task using other virtualization technologies so I assumed, maybe foolishly, that this would be an easy task using KVM too. Looking [...] Continue reading

Posted in centos, KVM, one-liner, redhat, rhel, Syndicated, tips & tricks, virtualization | Leave a comment

[one-liner]: Getting Thunderbird 5 to Play Nice on CentOS 5

Background

I’ve been using the Thunderbird 2.x & 3.x series for a while on CentOS 5 without issue for the last couple of years. Recently I received a dialog from Thunderbird saying that version 5 was available so I figured what the heck move up. The upgrade seemed to go smoothly but then I noticed that [...] Continue reading

Posted in centos, one-liner, Syndicated, Thunderbird, tip, tips & tricks | Leave a comment