The ramblings of a computer geek
If you want to check the (MD5/SHA) hash of a file you can do this on Microsoft Windows with “Get-FileHash” within PowerShell. Here is a simple script to take a File, the Hash Algorithm Type and Expected Hash for the file to compare, it hashes the file and then compares it with the expected hash […]
More...If you need to perform a packet capture you can use the following below to get this exported to a PCAP file you can then open in WireShark. You can then TFTP off the file with the following: I normally use TFTP32/64 on the machine to which i’m TFTPing, but this has had problems recently. […]
More...If you are seeing this issue, you can resolve the problem by downloading and replacing the Windows driver with this one using Device Manager. In my case this was trying to use a USB to Serial (RS232) adapter which just wasn’t working. https://github.com/brucetsao/Drivers/raw/master/FAKE_PL2303/IO-Cable_PL-2303_Drivers-Generic_Windows_PL2303_Prolific.zip Connectix.nl provide a more detailed overview of the solution here.
More...During some upcoming changes I needed to test a mobile application to use a test IP address for a standard hostname. Problem is, I didn’t want to root my Android phone to be able edit the hosts file. There are apps such as “Hosts Go”, but in my case these didn’t work. On a normal […]
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Staytus is a great, simple little Service Status page. Yeah you could write your own with this set of functionality, but this is a great little web application you can just use off the shelf to easily publish your service status to the web and update it in the event of any issues and/or maintenance […]
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If you are thinking about professional registration, such as Chartered Engineer (CEng), Incorporated Engineer (IEng), Engineering Technician (EngTech) or indeed Chartered Scientist (CSci), Registered Scientist (RSci), Registered Science Technician (RSciTech), you’ll need to identify and explain how your skills and experience translates to a competence framework. What is it? So what is a competence framework? The awarding […]
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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. […]
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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 […]
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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 […]
More...I wanted to make a page that could be easily exported to PDF without any cruft around the edges, such as the title or footers etc. You can do this at the whole Confluence level or at the Space level, sadly not at the page level it would seem. In my case I did it […]
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