Oracle VM, is a centrally managed hypervisor. All administrative actions must be performed from the Oracle VM Manager. In order to facilitate the initial discovery of the Hypervisor by the Management Server part of the setup requires that we not only set the password for the root user, but also…
Bash: A Better Way to Sed
So I frequently find myself in a situation where I need to modify files on a fairly programmatic basis, so sed has become a friend of mine for a lot of these situations. So lets start with some basic sed… If I have a file.. And I want to replace…
Preparing Minimal Images with Debootstrap
Debootstrap gives us a simple and consistent way to cleanly setup machines by installing packages directly into a file system directly from the repos. These have the flexibility of being used across many different kind of machines. Create Directory Structure Here we are just creating the directories into which we…
Linux-KVM: Ubuntu 12.04 with Openvswitch
UPDATE: October 29, 2012 This article doesn’t work on Ubuntu 12.10, to use Ubuntu 12.10 please refer to my new article here. Openvswitch is a better way of managing your virtual networking stacks for KVM and Xen. This can be used instead of the bridge-utils package, and has the ability…
Gnome3: Disable Hot Corners
I sincerely hate Hot Corners in Gnome3. This article will walk you through disabling them, because you probably hate them as much as I do (you’re here right)… So firstly what are hot corners, and why do I hate them? Hot corners is the upper left hand corner of your…