The ramblings of a computer geek
Tristan Self Time spent in meetings is time spent not working on tasks. Meetings however are essential, but also must be structured and conducted in a way to ensure they are not wasting valuable time. A way of ensuring this is a robust “meeting etiquette”, i.e. rules of engagement to ensure that your time is not unduly … Read more
If you want to verify what your SSH server is providing to clients as options of supported algorithms you can use the following command: It makes use of an NMAP script “ssh2-enum-algos.nse” to enumerate the list of algorithms that the SSH server supports. Useful if you are having issues with clients connecting using supported methods, … Read more
There are graphical tools to test and use the Dell ECS S3 interface, but everyone wants a CLI right? The below should also work for AWS S3 (with some modification) but this documentation is intended for specific use with the Dell ECS S3 endpoint to verify behaviour and perform some performance testing. The below assumes … Read more
Allow a connection from a particular remote IP address to any IP address on the local machine on a specific port (TCP & UDP). Verify with:
The following can get the errors out for a particular interface (port), in this case we are looking for the InErrors (RXErrors) and OutErrors (TXErrors). For example ID: Only issue i’ve found is that interface errors in VOSS/FabricEngine seem to include RX or TX errors plus annoyingly things like oversized packets. So if you have … Read more
A simple function that takes a DateTime in the format: 2023-11-29T06:41:20-08:00 and outputs it in a much more pretty: 29/11/2023 06:41:20 -0800. As you can see its switching to the DDMMYY date format, followed by the time and finally the timezone.
Read in JSON from a file and convert into a Dictionary For example I was testing getting data from the Slack service status API, so wanted to simulate broken-ness to test my script was working correctly. I did this by creating a file with a sample set of JSON that showed a problem, as I … Read more
The Dell ECS is an object based storage platform, in our case we are using it as an archive layer to our Dell PowerScale platform; where it provides a single-namespace file-system allowing “cooler” data to be pushed to the “cheaper”, slower Dell ECS storage freeing up the front-end storage for new data that is “hot” … Read more
VMware vCenter can use a multitude of authentication methods, such as LDAP, Active Directory and SAML (ADFS), however since vCenter 8.0 U1 the ability to integrate with OKTA for authentication has been added, which allows for adding MFA (multi-factor authentication) for enhanced security and detaching the vCenter appliance from Active Directory. When switching to use … Read more
DISCLAIMER: Ensure you consult with a certified electrician, the below is for information only and is not to be taken as guidance on what you should or should not do, it is merely a detail of what I found. Our Ei Electronics Ei166RC smoke detector started to go off at random intervals, we have 3 … Read more