Technical Guides
CategoryHacking XenServer: Open vSwitch Controller (DVSC) Changing Password
If you have had trouble getting access to the Distributed vSwitch Controller (DVSC) in XenServer, then you are not alone!
While doing..
IPv6 Subnet Cheat Sheet and IPv6 Cheat Sheet Reference
The following article is aimed at providing some quick details on IPv6, which can be used as an IPv6 Subnet Cheat Sheet/Reference...
APNIC exhausts IPv4 with only 1 x /8 of IPv4 remaining, IPv6 here we come!
Today APNIC announced it had officially depleted its general reserves for IPv4 space, leaving only a single /8 remaining in its..
SLAAC Discovery and EUI-64 Converting (MAC Address based IPv6 Address assigning!)
Recently Crucial has been gearing up for IPv6 inclusion in our services, it’s been my task to deliver this in the best way possible.
Some..
Discovering the BlockID in Centos
This is just a quick article,
I needed to discover the block ID on both Centos and Ubuntu today and needed this to be injected into a..
PHP Coding; bad coding styles
Hey folks,
Before I go on, this isn’t a rant its a learning experience… I swear 😉
PHP is one of those languages that has a very relaxed..
How to disable HA/High Availibility in Citrix XenServer
If you have ever had problems with time on a cluster, and had trouble getting the licenses in sync in Citrix XenServer 5.6 FP1, you can..
XenServer: Server won’t exist maintenance mode, Cannot forward messages because the server cannot be contacted
If you ever find that, in XenServer, your server won’t exist maintenance mode after a power failure, or even just normally you may have a..
Getting Ubuntu to PXEboot and install.
So today I was tasked with creating an entire system that does ubuntu automated installations, the first hurdle was actually getting..
How to change the pool master server Citrix XenServer
You can use the following commands to change the Citrix XenServer pool’s master server:
First you need to disable high availibility:
xe..
XenServer VM/VPS will not Shutdown – Force Shutdown
Sometimes when shutting down a VM via the standard XenCenter interface or command line (xe) on a Citrix XenServer machine the shutdown..
cdrommon Process Using 100% CPU on Citrix Xenserver
If you have noticed your Citrix XenServer machine grind to a halt due a process “cdrommon” this is a known bug with a particular CD-ROM..