Archive for the ‘Linux’ Category:

How To Enable Root Login to GUI in Fedora 13

{ Posted on Sep 03 2010 by Steve Jenkins }
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Categories : Linux, Reference, Technology
Starting with Fedora 10 (and continuing with Fedora 11 and Fedora 13), graphical root login was disabled by default. Allowing root login to the GUI poses a number of security risks, so doing so is not recommended. In most cases, ...Read More »

Set up VNC on RHEL 5.5 / CentOS 5.5

{ Posted on Aug 27 2010 by Steve Jenkins }
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Categories : Linux, Reference, Technology, Windows
Earlier this year, I wrote a blog post detailing how to set up VNC on a Fedora 12 Box and connect to it from a Windows VNC client securely over the Internet. The original article is here. The steps to setting ...Read More »

Renewing a Self-Signed SSL Certificate on Fedora/CentOS

{ Posted on Aug 17 2010 by Steve Jenkins }
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Categories : Linux, Reference, Technology
One of my web servers sent me this email this morning: Subject: The certificate for ServerName.com has expired################# SSL Certificate Warning ################Certificate for hostname 'ServerName.com', in file (or by nickname):/etc/pki/tls/certs/server.crtThe certificate needs to be renewed; this can be done using the ...Read More »

Set up VNC from Windows to Fedora 12 Over the Internet

{ Posted on Mar 03 2010 by Steve Jenkins }
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Categories : Linux, Reference, Technology, Windows
I'm writing this in a VNC session from Windows 7, via a secure SSH tunnel over the Internet, to a remote Fedora 12 desktop. If you'd like to be able to do the same thing, just follow these 10 easy ...Read More »

Enabling Desktop Effects on Fedora 12 with ATI Radeon HD 3650

{ Posted on Jan 03 2010 by Steve Jenkins }
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Categories : Linux, Reference
I've got a Dell Studio 1737 laptop, on which I dual-boot Windows 7 and Fedora 12. But with the default  graphics drivers installed by FC12, I'd receive an Accelerated Graphics Not Available error message if I tried to enable System ...Read More »

Helpful Links For Setting Up Nagios and NRPE on RHEL 5 and CentOS 5

{ Posted on Dec 28 2009 by Steve Jenkins }
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Categories : Linux, Reference
This post is mostly for my own reference, just in case I need to rebuild a server and want to save myself the Googling. These links helped: Nagios Core 3.x Docs - The quick-start guide was great. I recommend compiling yourself ...Read More »

Removing Old Kernels on Fedora, RHEL, or CentOS with Yum

{ Posted on Dec 27 2009 by Steve Jenkins }
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Categories : Linux, Reference
I recently noticed that my /boot partition was at 95% full, so I investigated to see what was causing it. Apparently, it was filling up with older versions of the linux kernel as a result of upgrades. Because my system has ...Read More »

Running more than 4GB RAM on Fedora, RHEL, & CentOS

{ Posted on Dec 24 2009 by Steve Jenkins }
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Categories : Linux, Reference
For about a year now, we've been happily running two Dell PowerEdge 2950s with quad procs, 4GB of RAM (or so we thought), and RHEL5. Running a high-traffic website can be memory intensive, so we recently decided to upgrade the ...Read More »

Dual Boot Windows 7 and Fedora 12 Linux with Dell Utility and Recovery Partitions

{ Posted on Dec 11 2009 by Steve Jenkins }
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Categories : Linux, Reference, Windows
After successfully setting up a dual boot of Windows 7 (64-bit) and Fedora 12 on my new Dell Studio laptop, I wanted to record some of the tricks that were necessary to get it done. The laptop is a Dell Studio ...Read More »

DKIM Proxy Install on CentOS 5.4

{ Posted on Nov 28 2009 by Steve Jenkins }
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Categories : Linux, Reference
I recently used Brandon Checketts' excellent (and only slightly outdated) instructions for getting DKIMProxy installed on a mail server. I wanted to put the link here for future reference. http://www.brandonchecketts.com/archives/getting-dkimproxy-installed-and-configured Things I did differently than (or in addition to) the steps in ...Read More »
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