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Thoughts on many things Posts

View message headers

For most users, the message headers of any given email are irrelevant; the email has arrived, and that is all there is to say about that. It does, however, have applications both in IT support and in information security. While those applications are outside the scope of this article, accessing the message header is not.

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Reviewed: reMarkable

Despite being very much a citizen of the digital world, I am a long-time lover of hand-written notes. I read and annotate reports, and prefer doing so with pen in hand. As such, I suppose it was inevitable that I would find and try out the reMarkable. Their ad blurb says:

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No-win scenarios are a part of life

I have been a fan of Star Trek since I first saw “Encounter at Farpoint” something like thirty years ago. The combination of curiosity, science fiction, and a society to which I believe we would do well to aspire genuinely makes me happy. Although I wouldn’t claim that all of Trek is good (but rather that there is a fair amount of schlock in Trek), I enjoy it a lot.

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AD: Change UPN

Depending on how things are being run, you may need to change the UPN (User Principal Name) of individual users in your Active Directory. One reason for doing so is to use a hybrid local/Azure AD setup, where users use their email address for logging on to Azure, but their ordinary username to log on to the local domain. At any rate, here’s how to change the UPN of an individual user in Microsoft Active Directory:

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Building a script to find all members of a given group

Some time ago, I was asked to provide a list of everyone with access to a specific system. After communicating with the client, it transpired that they were particularly interested in knowing who were the members of a set of Active Directory groups. While this can be done manually, I wanted to try my hand at building a PowerShell-script that returned the information the client was asking for, and which I could reuse at some later point, as such requests pop up with some regularity.

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