Tutorials

Read along as I teach you how to do things.

PowerShell Polish, Part 1: Perfecting Your Scripts
- PowerShell
- Git
- tutorials
June 25, 2023 — Here's how to take your PowerShell script and turn it into the best version of itself.
So You Changed Your Callsign. Now What?
- ham radio
- tutorials
December 7, 2022 — Changing your amateur radio callsign requires you to file one simple form with the FCC… right?
Rescuing a UniFi Cloud Key Gen2 Plus
- UniFi
- hacking
- tutorials
October 17, 2022 — A non-working eBay item gets saved from the scrap heap, and I get a cheap upgrade.
SSHFP Records on Windows Server
- Windows
- Linux
- sysadmin
September 24, 2022 — SSHFP records are a vital part of securing SSH. However, Microsoft's DNS Server doesn't give us an easy way to add them. Here's how.
A File Format to Aid in Security Vulnerability Disclosure
- 2600
- security
- tutorials
May 19, 2022 — When security vulnerabilities are discovered by researchers, proper reporting channels are often lacking. As a result, bugs may be left unreported. Fortunately, there is a standard to help researchers to report vulnerabilities. (As featured in 2600: The Hacker Quarterly!)
Hacking Haswell ThinkPads' Firmware
January 2, 2022 — A cheap Craigslist laptop gets its BIOS hacked and Intel Management Engine neutered.
PowerShell 7 for Programmers
- PowerShell
- tutorials
December 22, 2019 — A quick look at the new features in PowerShell 7 as they pertain to programmers.
Replacing OpenDKIM with dkimpy-milter
August 29, 2019 — OpenDKIM might be the gold standard, but the DKIM standard is evolving without it, so it's time to retire it.
An Interim Fix for GPGMail on Snow Leopard
- GnuPG
- macOS
- tutorials
October 12, 2009 — GPGMail has been an invaluable tool for users of both GPG and Apple's Mail application. Unfortunately, the marriage of GPG to Mail has been a bittersweet relationship.