idmapd for NFSv4 doesn’t do what you think it does

After wasting a lot of time trying to remap UIDs for an NFS mount using idmapd, I came across this article. In summary: “The problems start when we want to access the file contents or modify a file/directory and suddenly we get ‘permission denied’ type messages. Now NFS itself doesn’t do the security authentication but …

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Cleaning up repos in cobbler

Here’s a cobbler snippet that disables the default repomirror (presuming you are serving the rpms yourself) and adds the updates channel # disable Centos Base Repo (get updates elsewhere) sed -i -e ‘s/^/#/g’ /etc/yum.repos.d/CentOS-Base.repo # download updates repo file wget -O – http://$http_server/cobbler/repo_mirror/Centos6-UPDATES/config.repo > /etc/yum.repos.d/Centos6-Updates.repo sed -i -e ‘s/\${http_server}/$http_server/’ /etc/yum.repos.d/Centos6-Updates.repo Change the name of the …

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[CentOS-announce] CentOS-5.6 Continuous Release i386 and x86_64

“The CentOS-5.6 Continuous Release CR repository is now available on mirror.centos.org. This repository contains rpms to be included in the next CentOS-5.x release. Because these include security and bugfix updates, we strongly recommend everyone using CentOS-5 install and update their system using this repository.” via [CentOS-announce] CentOS-5.6 Continuous Release i386 and x86_64. Particularly useful if …

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apt-fast and Axel: Roughly 26x Faster apt-get Installations and Upgrades

The apt-fast script I have created is a little shellscript that increases the speed of apt-get by many times. You need to have the axel download accelerator installed, which is a simple, short process, but everything else is extremely straight forward. I started out downloading the upgrades for Kubuntu, at 32kb/s. Not terrible, but not …

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