HOWTO: Expand a Xen virtual disk using LVM
So you have a Citrix Xen VM with a Linux filesystem partitioned using LVM and need to expand the size of the root partition? – This is a quick how to that is fairly well tested. Firstly, I recommend...
View ArticleSolution to Firefox instability on Ubuntu and KDE
Many people seem to have stability issues with Firefox under Ubuntu – I seemed to be getting problems in the last few months with firefox-bin consuming way too much CPU and sending Xorg through the...
View ArticleRemote control with expect-lite
I’ve recently been playing around with expect-lite, a wrapper for expect that allows you to automatically login to hosts with telnet or ssh to run commands on remote hosts without getting too much...
View ArticlePart 1: Installing puppet 2.6.1 on CentOS with YUM/RPM
Installing Puppetmaster 2.6.1 Assuming, like me, the thought of letting rubygems vommit all over your filesystem is not a pleasant one, then how to get the latest puppet 2.6.1 installed on CentOS 5.5...
View ArticlePart 2: Puppet 2.6.1, configure puppetmaster and puppetd
Configure Puppetmaster For installing puppetmaster 2.4.1 on CentOS please click here for Part 1 In Part 1 we covered installing the Puppetmaster and Puppetd packages on Centos 5.5. We will now...
View ArticlePart 3: Installing puppet-dashboard on CentOS / Puppet 2.6.1
Puppet Dashboard Puppet dashboard is a fairly new app with loads of future potential and is great for monitoring your puppet estate. This is a quick guide to getting it running on puppet 2.6.1. Be sure...
View ArticlePuppet – working with define based virtuals
Define Based Virtuals Define-based virtuals are quite a powerful feature of Puppet, but many people either don’t understand them or don’t know how to apply them effectivly to their manifests. Due to...
View ArticlePreventing users from changing their password with PAM
Blocking AD users from using passwd I had to design a system recently for a client which has a mixture of local users and remote users that are authenticated using LDAP against Active Directory...
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