https://wesellis.com/A personal notebook on technology, things I'm building, writing, and life away from the keyboard.en-usTue, 29 Sep 2026 14:00:00 GMThttps://wesellis.com/blog/what-is-g8kepr/https://wesellis.com/blog/what-is-g8kepr/Tue, 29 Sep 2026 14:00:00 GMTG8KEPRThe security startup I build on nights and weekends, explained without the jargon: what it guards, how it does it, and where it runs.https://wesellis.com/blog/g8kepr-four-pillars/https://wesellis.com/blog/g8kepr-four-pillars/Sat, 26 Sep 2026 14:00:00 GMTG8KEPRAPI security, MCP security, an AI gateway and a verification engine, one at a time: what each one looks at and what it's there to catch.https://wesellis.com/blog/mcp-tool-poisoning-and-fingerprints/https://wesellis.com/blog/mcp-tool-poisoning-and-fingerprints/Wed, 23 Sep 2026 14:00:00 GMTG8KEPRWhat MCP is, how a tool's own description can be turned against the model reading it, and why a hash that's re-checked on every call is such a useful tripwire.https://wesellis.com/blog/no-llm-as-judge/https://wesellis.com/blog/no-llm-as-judge/Sun, 20 Sep 2026 14:00:00 GMTG8KEPRA lot of AI security tools ask another AI model to grade the first one. G8KEPR doesn't. Here's why, what it costs, and what the published numbers do and don't mean.https://wesellis.com/blog/why-g8kepr-runs-in-your-vpc/https://wesellis.com/blog/why-g8kepr-runs-in-your-vpc/Thu, 17 Sep 2026 14:00:00 GMTG8KEPRG8KEPR is self-hosted by design: deployed with Helm or Terraform, sitting in your request path, sending zero bytes out and charging nothing per token. Here's the reasoning.https://wesellis.com/blog/building-a-security-startup-alone/https://wesellis.com/blog/building-a-security-startup-alone/Mon, 14 Sep 2026 14:00:00 GMTG8KEPROne founder, a Delaware C-Corp, evenings and weekends, and a codebase with more lines of tests than lines of code. Here's what that ratio says about how I build.https://wesellis.com/blog/from-platform-to-correlation-engine/https://wesellis.com/blog/from-platform-to-correlation-engine/Fri, 11 Sep 2026 14:00:00 GMTG8KEPRG8KEPR started as an AI security platform that tried to do everything. In September 2026 I narrowed it to the one thing that's actually different, and kept most of what I'd built.https://wesellis.com/blog/open-source-for-a-day/https://wesellis.com/blog/open-source-for-a-day/Tue, 08 Sep 2026 14:00:00 GMTG8KEPROn September 9 I decided G8KEPR would be open source under Apache-2.0. On September 10 I changed my mind. Both days had good arguments.https://wesellis.com/blog/keeping-score-without-customers/https://wesellis.com/blog/keeping-score-without-customers/Sat, 05 Sep 2026 14:00:00 GMTG8KEPRHow I keep score on G8KEPR with a feature scorecard graded 0 to 10, why it leaves out anything about clients or partners, and the P0-P4 lists that decide what I work on next.https://wesellis.com/blog/kaybl-interface-case-study/https://wesellis.com/blog/kaybl-interface-case-study/Wed, 02 Sep 2026 14:00:00 GMTWeb DesignKaybl turns a Plex or Jellyfin library into something that feels like flipping channels. The hard part isn't the channels. It's drawing one guide that works on a TV, a phone and a desktop.https://wesellis.com/blog/three-claude-code-agents/https://wesellis.com/blog/three-claude-code-agents/Sun, 30 Aug 2026 14:00:00 GMTG8KEPRMy build loop for G8KEPR: a plan in Todoist, a tracker page, three DEV briefs, and three Claude Code windows working in parallel while I supervise until it's done and tested.https://wesellis.com/blog/borrowing-a-palette-from-a-reading-app/https://wesellis.com/blog/borrowing-a-palette-from-a-reading-app/Thu, 27 Aug 2026 14:00:00 GMTWeb DesignSix colors sampled from a screenshot of a dark RSS reader, the rules that keep amber from turning into a Halloween theme, and what the contrast math actually says.https://wesellis.com/blog/designing-with-vignellis-rules/https://wesellis.com/blog/designing-with-vignellis-rules/Mon, 24 Aug 2026 14:00:00 GMTWeb DesignMassimo Vignelli spent sixty years proving you need a grid, a handful of typefaces and a lot of discipline. What that looks like when the page is a browser window.https://wesellis.com/blog/nineties-computer-ad-look-without-faking-an-os/https://wesellis.com/blog/nineties-computer-ad-look-without-faking-an-os/Fri, 21 Aug 2026 14:00:00 GMTWeb DesignHow this site borrows the warmth of early-'90s Apple ads (editorial type, cream paper, slate ink) and why the fake menu bars and little beige Mac didn't make the cut.https://wesellis.com/blog/recipe-card-that-prints-on-one-page/https://wesellis.com/blog/recipe-card-that-prints-on-one-page/Tue, 18 Aug 2026 14:00:00 GMTWeb DesignHitting print on a recipe blog usually gets you five pages of sidebar. Here's how the recipes on this site print just the card, and why visibility:hidden was the wrong first try.https://wesellis.com/blog/eleventy-backlinks-and-summary-box/https://wesellis.com/blog/eleventy-backlinks-and-summary-box/Sat, 15 Aug 2026 14:00:00 GMTWeb DesignA summary box, an "In this note" list, labelled callouts and a "Linked from" section, all built with a handful of Eleventy filters and some honest string matching.https://wesellis.com/blog/picking-an-android-handheld-for-emulation-and-movies/https://wesellis.com/blog/picking-an-android-handheld-for-emulation-and-movies/Wed, 12 Aug 2026 14:00:00 GMTResources & RecommendationsOne device for PS2 emulation and my own movie files, smaller than a Steam Deck, with a microSD slot. The shortlist, the detour into phones, and where I'm leaning.https://wesellis.com/blog/modding-shadow-of-mordor-in-2026/https://wesellis.com/blog/modding-shadow-of-mordor-in-2026/Sun, 09 Aug 2026 14:00:00 GMTUses / My SetupA twelve-year-old game, a proxy DLL, a ReShade preset and a trick for hiding the HUD. The Shadow of Mordor mod setup I put together this month.https://wesellis.com/blog/cyberpunk-2077-mod-loadout/https://wesellis.com/blog/cyberpunk-2077-mod-loadout/Thu, 06 Aug 2026 14:00:00 GMTUses / My SetupI bounced off Cyberpunk once because the guns felt stiff. Here's the mod list I'm running on the 2.3x Steam version now, and what all those frameworks actually do.https://wesellis.com/blog/deckport/https://wesellis.com/blog/deckport/Mon, 03 Aug 2026 14:00:00 GMTSide ProjectsDeckport is my open-source Python tool that registers portable native Linux games as Steam Deck non-Steam shortcuts, with artwork, so they show up in Game Mode ready to play.https://wesellis.com/blog/weatherstar-4000/https://wesellis.com/blog/weatherstar-4000/Fri, 31 Jul 2026 14:00:00 GMTSide ProjectsMy open-source Python and pygame recreation of the WeatherStar 4000, built for Raspberry Pi and CRT TVs, with live weather data and 26-plus display modes.https://wesellis.com/blog/arcade-cabinet-4x3-coinops/https://wesellis.com/blog/arcade-cabinet-4x3-coinops/Tue, 28 Jul 2026 14:00:00 GMTRetro TechNotes from an arcade cabinet build in progress, on why the monitor is 4:3, and why a PC running CoinOPS won out over a plug-and-play Pandora-style board.https://wesellis.com/blog/fieldstation42-cable-box-build/https://wesellis.com/blog/fieldstation42-cable-box-build/Sat, 25 Jul 2026 14:00:00 GMTRetro TechA build log for a Raspberry Pi cable box that runs FieldStation42 on a CRT, with a keypad, an LED channel display, a guide channel and a WeatherStar weather channel.https://wesellis.com/blog/flexbox-min-height-zero-scroll-bug/https://wesellis.com/blog/flexbox-min-height-zero-scroll-bug/Wed, 22 Jul 2026 14:00:00 GMTEngineeringYour scroll area has overflow:auto, the layout is 100vh, and the whole page scrolls anyway. Blame the automatic minimum size of flex items, and fix it with one line.https://wesellis.com/blog/four-letter-bookmarks-bar/https://wesellis.com/blog/four-letter-bookmarks-bar/Sun, 19 Jul 2026 14:00:00 GMTUses / My SetupSix folders, four capital letters each, one tidy row. How I keep my browser bookmarks from turning into a junk drawer.https://wesellis.com/blog/linux-mint-thinkpad-t14-gen-3/https://wesellis.com/blog/linux-mint-thinkpad-t14-gen-3/Thu, 16 Jul 2026 14:00:00 GMTUses / My SetupMy everyday laptop is a ThinkPad T14 Gen 3 running Linux Mint. Why that pairing, how Dropbox fits in, and the few things worth setting up on day one.https://wesellis.com/blog/flatten-media-library-into-letter-buckets/https://wesellis.com/blog/flatten-media-library-into-letter-buckets/Mon, 13 Jul 2026 14:00:00 GMTScript LibraryA PowerShell script that sorts every show and movie in a folder into flat A-Z buckets, skips anything that would collide, and dry-runs honestly.https://wesellis.com/blog/check-powershell-syntax-without-running-it/https://wesellis.com/blog/check-powershell-syntax-without-running-it/Fri, 10 Jul 2026 14:00:00 GMTScript LibraryUse PowerShell's own parser to catch typos and broken brackets in a whole folder of scripts, before anything runs.https://wesellis.com/blog/rebuilding-the-notebook/https://wesellis.com/blog/rebuilding-the-notebook/Tue, 07 Jul 2026 14:00:00 GMTWeb Design101 old posts, three versions of a design, and one very specific idea about what a personal website should feel like.https://wesellis.com/blog/choosing-a-cms-for-a-static-blog/https://wesellis.com/blog/choosing-a-cms-for-a-static-blog/Sat, 04 Jul 2026 14:00:00 GMTResources & RecommendationsI know WordPress inside and out, and I still didn't use it for this site. What I compared, and why I landed on Sveltia CMS.https://wesellis.com/blog/self-hosting-web-fonts/https://wesellis.com/blog/self-hosting-web-fonts/Wed, 01 Jul 2026 14:00:00 GMTWeb DesignThe site looked perfect on my machine and wrong everywhere else. The sneaky reason, and how to self-host web fonts properly.https://wesellis.com/blog/security-headers-static-site-digitalocean/https://wesellis.com/blog/security-headers-static-site-digitalocean/Sun, 28 Jun 2026 14:00:00 GMTEngineeringMy brand-new blog got an F on a security header scan. Here's why, what actually matters for a static site, and the fixes that work on DigitalOcean App Platform.https://wesellis.com/blog/powershell-whatif-foreach-object-trap/https://wesellis.com/blog/powershell-whatif-foreach-object-trap/Thu, 25 Jun 2026 14:00:00 GMTEngineeringA dry run that quietly lies to you. Why ForEach-Object's property shorthand returns nothing under -WhatIf, and the one-line fix.https://wesellis.com/blog/monitoring-azure-resource-costs-with-powershell/https://wesellis.com/blog/monitoring-azure-resource-costs-with-powershell/Mon, 22 Jun 2026 14:00:00 GMTScript LibraryFind out which resource groups are eating your Azure budget, straight from PowerShell, no portal clicking required.https://wesellis.com/blog/automating-user-offboarding-in-azure-ad-with-powershell/https://wesellis.com/blog/automating-user-offboarding-in-azure-ad-with-powershell/Fri, 19 Jun 2026 14:00:00 GMTScript LibraryOne script that locks a departing user out, cleans up their groups and licenses, and keeps their mail, with a CSV record of every step.https://wesellis.com/blog/managing-local-administrators-with-powershell-and-security-groups/https://wesellis.com/blog/managing-local-administrators-with-powershell-and-security-groups/Tue, 16 Jun 2026 14:00:00 GMTScript LibraryPut a domain group into the local Administrators group on a list of computers (or take one out) over PowerShell remoting, with a result for every machine and -WhatIf first.https://wesellis.com/blog/retrieving-mecm-software-update-information-with-powershell/https://wesellis.com/blog/retrieving-mecm-software-update-information-with-powershell/Sat, 13 Jun 2026 14:00:00 GMTScript LibraryOne object per update deployment with targeted, compliant, failed and unknown counts, so you can spot the deployments that need you.https://wesellis.com/blog/automating-software-update-deployments-in-mecm-with-powershell/https://wesellis.com/blog/automating-software-update-deployments-in-mecm-with-powershell/Wed, 10 Jun 2026 14:00:00 GMTScript LibraryFind the updates the most machines are actually missing, bundle them into a group, and deploy them to a pilot collection, with a WhatIf preview first.https://wesellis.com/blog/upgrading-windows-editions-with-powershell-and-a-mak-key/https://wesellis.com/blog/upgrading-windows-editions-with-powershell-and-a-mak-key/Sun, 07 Jun 2026 14:00:00 GMTScript LibraryInstall a product key, activate it and confirm the edition actually changed, without the key ever landing in a script file or a log.https://wesellis.com/blog/automating-mecm-package-creation-with-powershell/https://wesellis.com/blog/automating-mecm-package-creation-with-powershell/Thu, 04 Jun 2026 14:00:00 GMTScript LibraryTurn "wrap this script in a package and push it to the DPs" into one command, with a dry run before anything gets created.https://wesellis.com/blog/refreshing-microsoft-graph-modules-in-powershell/https://wesellis.com/blog/refreshing-microsoft-graph-modules-in-powershell/Mon, 01 Jun 2026 14:00:00 GMTScript LibraryWhen Graph cmdlets start throwing assembly errors, it's almost always mixed module versions. This removes every copy and puts back one matching set.https://wesellis.com/blog/analyzing-microsoft-365-groups-with-powershell-and-microsoft-graph/https://wesellis.com/blog/analyzing-microsoft-365-groups-with-powershell-and-microsoft-graph/Fri, 29 May 2026 14:00:00 GMTScript LibraryBefore you rename, rescope or delete a group, find out what it's wired to. Members, owners, licenses, apps and Intune policies, in one report.https://wesellis.com/blog/exporting-active-directory-computer-objects-to-csv/https://wesellis.com/blog/exporting-active-directory-computer-objects-to-csv/Tue, 26 May 2026 14:00:00 GMTScript LibraryA computer inventory straight out of AD, with OS build, last logon, password age and OU in one tidy CSV, ready for audits or a stale-machine cleanup.https://wesellis.com/blog/powershell-cbr-to-cbz-converter-webp-optimization/https://wesellis.com/blog/powershell-cbr-to-cbz-converter-webp-optimization/Sat, 23 May 2026 14:00:00 GMTScript LibraryTurn a folder of CBR comics into CBZ with 7-Zip, and optionally shrink the pages to WebP with cwebp or ImageMagick, testing every file before anything is replaced.https://wesellis.com/blog/grams-classic-white-layer-cake-recipe/https://wesellis.com/blog/grams-classic-white-layer-cake-recipe/Wed, 20 May 2026 14:00:00 GMTShort-Order KitchenThree tall white layers, a folded-in meringue, and old-school seven-minute frosting. Gram's cake, written down so it doesn't get lost.https://wesellis.com/blog/organizing-vintage-mac-software/https://wesellis.com/blog/organizing-vintage-mac-software/Sun, 17 May 2026 14:00:00 GMTRetro TechThe folder layout and naming rules I use for a pile of old Mac software, and the small PowerShell script that does the renaming without losing the original names.https://wesellis.com/blog/how-to-create-macos-extended-usb-windows/https://wesellis.com/blog/how-to-create-macos-extended-usb-windows/Thu, 14 May 2026 14:00:00 GMTRetro TechHow I format and load HFS+ USB drives for old Macs from a Windows PC, plus the retro-specific catches that trip you up on the Mac side.https://wesellis.com/blog/automated-7z-to-zip-conversion-script-2/https://wesellis.com/blog/automated-7z-to-zip-conversion-script-2/Mon, 11 May 2026 14:00:00 GMTScript LibraryRepack .7z files as plain Deflate ZIPs with UTF-8 file names, including password-protected ones, and test every result before the original goes anywhere.https://wesellis.com/blog/windows-software-inventory-powershell-script/https://wesellis.com/blog/windows-software-inventory-powershell-script/Fri, 08 May 2026 14:00:00 GMTScript LibraryA quick, safe software inventory from the registry, local or remote, that returns objects you can filter and export instead of a wall of colored text.https://wesellis.com/blog/automated-windows-user-profile-cleanup-script/https://wesellis.com/blog/automated-windows-user-profile-cleanup-script/Tue, 05 May 2026 14:00:00 GMTScript LibraryClean old user profiles off shared PCs and servers through Win32_UserProfile, so the folder and the registry entry go together and nobody gets a TEMP profile.