The ramblings of a computer geek
You may find you need to perform a check where the FQDN you are monitoring doesn’t correspond to the IP address and some form of virtual server (or host headers) are in use. Now normally using a command like: Should just work however in certain instances depending on the configuration of the web server you’ll … Read more
If you are having trouble uploading a file via SCP to vCenter then VMware provide a great document on how to resolve this. You’ll be seeing an error like: https://kb.vmware.com/s/article/2107727 Essentially what you need to do is logon via SSH to vCenter, swap the Shell to BASH, upload the file, then swap the Shell back … Read more
Running a disk test need not be complicated. Microsoft provide a cheeky little hard disk test program that can be used, you can download it from https://github.com/microsoft/diskspd. A simple run can be completed with the following command to test the hard drive performance based on the parameters entered. If you wish you can add “> … Read more
Hashing allows you to create a message digest of a file, essentially a summary of the file, so you can determine if that file has changed during transit. It has lots of purposes such as ensuring non-repudiation, but in this example I’m using the MD5 hash to verify that the file has been downloaded correctly. … Read more
We were performing the migration to new Distributed Switches (running a later version) ready for our vCenter 7.x and ESXi 7.x upgrade and when attempting to remove a host from a distributed switch we got this error: VMware has an article KB76959 that describes this issue, however in our case rather than the VM (or … Read more
The collection of user requirements can be a difficult and time-consuming process, working towards Agile principles the collection of requirements should be a collaborative process helping the requestor (customer/colleague) to discover what they want through requirements collection sessions to build a document that contains the necessary information for the design teams to build a solution … Read more
So in performing an emergency workaround for a zero-day on a Microsoft Exchange server, I came across a term: URI. It’s something I’ve met before, but then realised, what actually is a URI? So I set out to find out and like many things went down a rabbit hole! In this article I’ll try to … Read more