VMware Linux VM – ‘No DEFAULT or UI configuration directive found’
Jul23

VMware Linux VM – ‘No DEFAULT or UI configuration directive found’

KB ID 0001334 Dtd 23/07/17 Problem Last week while trying to create a Linux VM on a VMware ESX 6.5 server, I saw this; No DEFAULT or UI configuration directive found Solution Normally the error indicates theres something wrong with the install media, so I deleted it and uploaded it again, same error. So I downloaded the setup iso file again and checked its checksum, to make sure it was OK, (it was, but the problem persisted). To fix...

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Setup RANCID and ViewVC (Part One)
Jul21

Setup RANCID and ViewVC (Part One)

KB ID 0001331 Dtd 19/07/17 Problem There are couple of good posts out there on setting up Rancid (Really Awesome New Cisco Config Differ). Some even show you how to set it up with ViewVC (Formally ViewVCS, basically a nice web based GUI front end, that does version control and highlights differences). It does this using a system called CVS (Concurrent Version System, hence the original name.) Then I had to do some more searching to...

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Linux – Install VMware Tools
Jul19

Linux – Install VMware Tools

KB ID 0001330 Dtd 19/07/17 Problem Note: This is to install the VMware Tools NOT the OPEN-VM-TOOLS. I’ve had to do this a few times now, and every time I Goolge how to do it, I get pages of instructions on how to install the open vm tools. When what I really want is to install the VMware Tools. Solution I’m using vSphere ESX, but even if you are using VMware Workstation or VMware Fusion, you can still select...

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CentOS / Redhat / Fedora – VMware VMXNET3 Adapter Not Working
Jul18

CentOS / Redhat / Fedora – VMware VMXNET3 Adapter Not Working

KB ID 0001329 Dtd 18/07/17 Problem This has tripped me up a couple of times, and if you Google the problem, you find a load of posts saying ‘Just install VMware tools that will fix the problem’ It Wont! And I’ll tell you why, run ifconfig You will notice you have a network card, but you will also notice that it’s got a strange name ‘ens160’ not eth0 as you would normally expect? Anyway let’s...

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CentOS 7 – Serving HTTPS with Apache2
Jun23

CentOS 7 – Serving HTTPS with Apache2

KB ID 0001210 Dtd 24/06/16 Problem This week I’ve been working on changing the site over to https. Buying a digital certificate used to be an expensive long winded affair, but not anymore. A quick internet search turned up a 3 year SSL certificate for less than 15 quid.Getting the certificate was the easy bit, getting it installed so that Apache would use it was another ‘challenge’. On a scale of one to ten,...

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Linux (CentOS 7) Generating CSR (Certificate Signing Requests)
Jun21

Linux (CentOS 7) Generating CSR (Certificate Signing Requests)

KB ID 0001206 Dtd 21/06/16ProblemIf you want to use digital certificates on your CentOS server, then you will need to generate a CSR. It does not matter if you want to purchase a publicly signed certificate, or even if you are going to sign your own. Below is how to generate a CSR for a single web host.Note: Most cert vendors now require a minimum key length of 2048 so thats what I’m going to use. And I’m assuming you have...

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