The ramblings of a computer geek
Emails are made up of a header and body, the body may be HTML or plain text, and any attachments are encoded within the body of the email for it to be sent. We have applied limits to our email infrastructure to reduce load, bandwidth, and disk space but also to protect recipients of our […]
More...If you need to perform a Ping scan of a subnet, you can use the following command, its quick and dirty approach, although its not really that quick when it comes to actually running. The below will scan the subnet 192.168.1.0/24, from 192.168.1.1 to 192.168.1.254. If you want to speed things up a bit, you […]
More...The lowly Format command provides some simple, yet fairly effective data destruction for hard disks that you have on your machine. Although this technique may not be suitably effective for all data destruction requirements, it is fairly thorough in the destruction of data on a disk; such as one you wish to reuse for another […]
More...NagiosXI has a multitude of ways of monitoring hosts or services. Typically with a Microsoft Windows or Linux host you can monitor using SNMP, but you may also now want to check out the NCPA agent as a way to monitor from NagiosXI. Newer versions of NagiosXI also give the ability to administer, update and […]
More...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 […]
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, […]
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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 […]
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:
More...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 […]
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.
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