The ramblings of a computer geek
Sometimes it can be useful to generate some files, so you can watch activity, I created this script for this use-case when performing storage updates, I can run this to generate some activity which is made visible to the screen so you can see if and when either expected or unexpected pauses take place. Its … Read more
While using Perl Mail::Mailer to send from an on-site application to our Microsoft 365 tenancy via SMTP, we had an oddity. We’d already setup the Microsoft 365 tenancy to have a receive connector which was autheniticating via the source address, i.e. our on-premise IP range. When testing via a test Perl script which was the … Read more
Let’s say you have a running Docker Container and you need to copy a file from it down to the host, you might need to do this while building a Docker image perhaps to see what a file that has been autogenerated looks like for example. You can do this by running the following from … Read more
BASH Prompt via SSM by Default To set the BASH as the default prompt when using SSM, within the AWS Console browse to: Then add the following: Then attempt to login via SSM, you should now find you are getting the BASH prompt. Fancy Colours Edit the .bashrc file within the user home directory and set as … Read more
Sometimes SMTP servers what a particular EHLO/HELO argument for connecting clients, you can make Thunderbird do this by setting a new setting Settings->Config Editor, then add the following setting: mail.smtpserver.smtp1.hello_argument Specifying what you want Thunderbird to announce itself as.
If you want to use OpenSSL on Microsoft Windows, there are a number of packages provided that allow you to do this, in this example we’ll use Shinning Light Production’s OpenSSL MSI Package. Step 1 – Download and Install OpenSSL Download the installer from: https://slproweb.com/products/Win32OpenSSL.html, I used Win64 OpenSSL v3.3.3 Light, but there may be … Read more
A simple BASH script that you can run as a CRON job to check if a particular string is present in a file, and if not it sends you an email to say the file no longer has a particular string. And the email send just uses sendmail (assuming that is installed and configured). You … Read more
Sometimes it can be handy to connect into an IMAP(s) server to verify it is working as expected, or to view emails via a command line interface. In this example I’m connecting to a Microsoft Exchange 2016 Server with IMAP enabled, specifically IMAPS, so running on port 993. Connect and Login Firstly we need to … Read more
It used to be easy to flush the cache, but recent changes to the DNS Client on Microsoft Windows 10 (and 11) have made this more difficult, you used to be able to run an “ipconfig /flushdns” or failing that restart the “DNS Client” service, but these don’t appear to work any longer. However you … Read more
The Nissan LEAF provides limited information via the normal information systems in the car as to what is going on with the drive train and more specifically the battery. However, there is an phone app that is available for Apple IOS and Android called “LEAFSpy Pro” that can provide you with detailed information; something that … Read more