vSphere: Get ESX Server Serial Numbers
Apr20

vSphere: Get ESX Server Serial Numbers

KB ID 0001670 Problem A few weeks ago I needed to sort out some extended warranty for a customers servers. To do that  I needed the serial numbers of those servers, (a mixture of IBM/Lenovo and Dell Servers). As I didn’t fancy a drive to two different datacenters, I wanted to try and get them programatically. Solution After some searching I came across a post by one of my old EE buddies LucD with exactly what I needed. I’m...

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Microsoft Teams: Custom Background Images
Apr16

Microsoft Teams: Custom Background Images

KB ID 0001669 Problem With the current lockdown and everyone working from home, I’m using Teams a lot. I use one of the images that I use here at PNL as one of the background images that ‘appear’ behind me when I’m using the webcam in Teams. I was asked today how I did that, so I thought I’d write it up here. Solution I’m using Teams on my MacBook but the procedure it pretty much the same in...

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Cisco ASA: Mixing TCP and UDP in Object-Groups
Apr15

Cisco ASA: Mixing TCP and UDP in Object-Groups

KB ID 0001668 Problem I like object-groups, they can make your firewall configs a lot smaller/neater and if you need to add a host, network, range, or port, then you can simply add the new requirement to an existing group. But what if you want to allow both UDP and TCP ports, you can create a service group for TCP and add the ports and a service group for UDP and add the ports, and add them into your ACL where you would expect ports...

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macOS: ASDM Developer Cannot Be Verified
Apr10

macOS: ASDM Developer Cannot Be Verified

KB ID 0001667 Problem When trying to connect to a Firepower 1010 ASDM I was met with this; “Cisco ASDM-IDM.app” cannot be opened because the developer cannot be verified. macOS cannot verify that this ap is free from malware Solution If you’ve spent much time using macOS then this is quite common, Open System Preferences > Security and Privacy > General tab > You will see a warning about the Cisco ASDM-IDM...

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Firepower 1010 Review
Apr10

Firepower 1010 Review

KB ID 0001666 What Is It? I’ve been trying to get my hands on one of these for a while. So thanks to my employer for sending me one to take a look at. The Firepower 1010 appliance is aimed at Small Office / Home Office, and possibly Small Remote Branch offices. But like its predecessors it will probably get put in EVERYWHERE because it’s ‘cheap’, (Note: for cheap, read possibly under-specced* and the wrong...

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