VMware Anti Affinity Rules in VMware ESX

I recently had to setup anti affinity to separate two guest operating systems that were clustered using Microsoft Cluster. This ensured that each guest would not be on the same host, reducing the risk of hardware failure bringing down both hosts and the cluster. Other examples might be that you want your primary and secondary… Read more »

Discover Open Ports Visually from Inside your Network

It has been around for years, the good people at Gibson Research Corportation have a great online tool that identifies open ports in a visual form, requested from the internal network. This is really for people that don’t have an understanding of other tools e.g nmap. The tool is called “Sheilds Up”, it allows you… Read more »

How to vMotion from Intel to AMD and Vice Versa in VMware ESX

Live migrations (aka vMotion) is still one of the most impressive features of the vSphere platform although it has been around for quite a while now. It demonstrates the superiority of virtual machines over physical servers and their independence from the underlying physical hardware. But the hardware independence is not complete, unlike other devices CPU’s… Read more »

IANA Port List

The Internet Assigned Numbers Authority (IANA) is responsible for the global coordination of the DNS Root, IP addressing, and other Internet protocol resources. The Internet Assigned Numbers Authority (IANA) is a department of ICANN responsible  for coordinating some of the key elements that keep the Internet running  smoothly. Whilst the Internet is renowned for being… Read more »

CBT Nuggets

I cannot rave about this company enough, their online training covers many different topics and goes into great detail. The core material they cover is as follows: IT Training Cisco Cisco Routing and Switching Cisco Security Cisco VoIP Citrix Cloud CompTIA ITIL Juniper Linux Mac Microsoft Microsoft Messaging Microsoft Systems Management Microsoft Windows Oracle Programming… Read more »

Install phpLDAPadmin on Debian Squeeze

This tutorial will show you how you can set up an LDAP and web interface to manage LDAP (Active Directory) server on Debian (Squeeze). phpLDAPadmin url: http://phpldapadmin.sourceforge.net/wiki/index.php/Main_Page Screenshots of phpLDAPadmin: http://sourceforge.net/projects/phpldapadmin/ Server name: ldap.example.com Domain name: example.com Server IP: 192.168.0.2 Run commands without the “#” for them to work! Make sure the server is up… Read more »

Bypassing Firewalls and Proxies from Work

Okay, so for whatever reason you want to bypass your companies firewall to browse websites without being limited by what you can see. Some companies offer “alternative” access and some are super tight (only allowing news, company and a few other selected websites).This will allow you to connect to anything! If you are hosting services… Read more »