AAA – Configuring Authentication on Cisco Devices

January 17, 2016

As the title suggests, this post will take a look at configuring AAA on Cisco switches, which is another of the CCNP Switch objectives. To start off, what is AAA? It stands for Authentication, Authorization and Accounting, and is essentially a framework for controlling access to resources, and auditing that access. Authorization is about identifying […]

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Deploying a Highly Available Platform Services Controller Topology – Part 3 – Configuring Citrix Netscaler

January 15, 2016

This post follows on from my recent posts on configuring highly available Platform Services Controllers. By the end of my previous post on this, I had deployed two platform services controllers, configured as a subordinate CA, and configured with the VMware HA scripts. The next step is to configure the external load balancer to provide […]

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Upgrading Citrix XenServer 6.0.2 to 6.5 Using the Rolling Pool Upgrade

January 4, 2016

I wanted to have a look at the latest build of Citrix XenServer – so thought I’d do a post on the upgrade process. I’m currently running XenServer 6.0.2, and have two hosts configured in a Resource Pool: Looking at the XenServer 6.5 Installation Guide (page 24), it states that a direct upgrade from 6.0.2 […]

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Deploying a Highly Available Platform Services Controller Topology – Part 2

December 29, 2015

This post follows on from my previous one on deploying highly available platform services controllers. Normally in my test lab I tend to use self-signed certificates, and just ignore the familiar certificate warnings, but in this case I wanted set up a certificate authority, so I could have a proper look at the new VMCA. […]

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Upgrading Fedora to Fedora 23

November 19, 2015

I use Fedora as my Linux distro of choice in my home lab, so was keen to try the upgrade to Fedora 23, which was released recently. The release notes detail what has changed – which I’ll not go into here, but instead will go through the steps I took to upgrade my Fedora 20 […]

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List Docker Containers and Images

November 18, 2015

My previous post on Docker looked at installing Docker on Fedora. This post will look at creating a new Docker container using a Fedora image – along the way looking at how to list docker containers and images. We can search for Fedora Docker images by running ‘docker search fedora’: [root@localhost ~]# docker search fedora […]

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Installing Docker on Fedora

November 18, 2015

I wrote an article a little while ago on installing Docker on Ubuntu. I’ve been meaning to get back to learning more about Docker for a little while now – can’t believe it’s almost a year since I wrote that first article! With that in mind I wanted to go over the installation process again, […]

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Deploying a Highly Available Platform Services Controller Topology – Part 1

October 15, 2015

One of the big changes with the introduction of vSphere 6 is the Platform Services Controller. You can find out more about the PSC here. The PSC can be installed on a Windows server, or deployed as a virtual appliance. The PSC contains common infrastructure services that VMware products make use of – these include vCenter […]

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Matching a LUN’s NAA Number to its NetApp Serial Number with Powershell

October 2, 2015

As stated here, a LUN NAA (Network Address Authority) number is a globally unique identifier for a LUN. The NAA number can be used to determine a LUN’s serial number and vice-versa. On an ESXi host we can easily find the NAA for a device, either in the vSphere client, or via PowerCLI, or ESXCLI […]

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Installing vRealize Operations Manager 6 – Part 2

October 1, 2015

This follows on from my recent post on installing vRealize operations manager 6. In that post I went through the initial installation tasks following the deployment of the vRealize Operations Manager appliance. Here, I’ll continue to go through the initial configuration, leading to connecting to vCenter. At the end of the last post, I had […]

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