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Comparing The Ubuntu And Fedora Linux Kernels

Linux Kernel

Published on 09 May 2013 03:46 PM EDT
Written by Michael Larabel in Linux Kernel
14 Comments

Josh Boyer of Red Hat has shared his thoughts when comparing the kernel configurations between the kernels that are shipped in Fedora and Ubuntu Linux.

Boyer compared the Linux kernels available in Ubuntu 13.04 and Fedora 18 to see how their configurations differed. Both kernels were based upon the upstream Linux 3.8 version.

The Red Hat engineer found that the Linux kernel configurations for the most part were identical but there were some low-level differences (number of supported CPUs, NUMA, timer differences), Fedora using SELinux by default, and Ubuntu is generally enabling a lot of older support/features than what's found in the Fedora Linux kernel.

Josh Boyer confirmed his Ubuntu vs. Fedora Linux kernel configuration with, "There are no shocking differences between the two distribution kernels. The few areas where we differ that might matter are worth reviewing on both sides, but at the end of the day none of those options are going to make any kind of massive improvement. I consider this to be a worthwhile exercise, but one I won't repeat for a while. I can only stare at kernel configs for so long before it makes even bugzilla start looking interesting."

Read his findings in full on his personal blog.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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