On RHEL-type of systems, with virt-manager (libvirt), you can make use of virt-manager to easy your life. I, for myself, prefer to work with ‘xm‘ tools, but for the initial install, virt-manager is the quickest and most simple available tool. To install a new Linux VM, all you need to follow this flow Create an…
It has been long since I had the time to write here. I have recently been involved more and more with XenServer virtualization, as you might see in the blogs, and following a solution to a rather common problem, I have decided to post it here. The problem: When attempting to boot a Linux VM…
XenServer is a wonderful tool. One of the better parts of it is its powerful scripting language, powered by the ‘xe’ command. In order to capture a mass of snapshots, you can either do it manually from the GUI, or scripted. The script supplied below will include shell functions to capture Quiesce snapshots, and it…
Oracle begin to push their Clusterware as a 3rd party HA framework. In this article we will review a quick example of how to do it. I will refer to this post as a quick-guide, as this is by no means any full-scale guide. This article assumes you have installed Oracle Clusterware following one of…
ISPs which enforce QoS limitations suddenly, without alerting the customer, are abusing their force. QoS limitation is not a bad thing, from the ISP’s point of view, but changing the customer deal without notifying him seems to me to be unfair. This is a recipe for a QoS workaround. Ingredients: One fast Internet connection which…
A friend of mine made a grieve mistake – partition a disk containing Linux LVM directly on it, without any partition table. Oops. When dealing with multi-Tera sized disks, one gets to encounter limitations not known on smaller scales – the 2TB limitation. Normal partition table can contain only around 2TB mapping, meaning that to…
