Notes on infrastructure, devops, homelab, and whatever else I happen to be debugging at 2am.https://marc-os.com/en-ushttps://marc-os.com/blog/browcord-a-shared-browser-inside-a-discord-call/https://marc-os.com/blog/browcord-a-shared-browser-inside-a-discord-call/One Chromium runs on my server, streams into a Discord voice channel over WebCodecs, and everyone in the room can drive it.Fri, 25 Sep 2026 00:00:00 GMTgotypescriptdiscordwebcodecsgstreamerhttps://marc-os.com/blog/stspsvita-building-a-slay-the-spire-vita-pipeline/https://marc-os.com/blog/stspsvita-building-a-slay-the-spire-vita-pipeline/A build pipeline for turning a Slay the Spire PC copy into a PlayStation Vita VPK and optimized asset pack.Mon, 13 Jul 2026 00:00:00 GMTvitahomebrewteavmslay-the-spirehttps://marc-os.com/blog/mangolib-building-a-music-manager-in-go/https://marc-os.com/blog/mangolib-building-a-music-manager-in-go/A music library manager built in Go. Download from Spotify & YouTube, organize your collection, sync to your iPod.Sat, 30 May 2026 00:00:00 GMTgomusicytdlprockboxhttps://marc-os.com/blog/building-valart-a-tool-for-creating-ascii-art/https://marc-os.com/blog/building-valart-a-tool-for-creating-ascii-art/Introducing VALART, a tool that lets Valorant players effortlessly create and share ASCII art in the in-game chat.Tue, 20 May 2025 00:00:00 GMTreacttypescriptascii-artvaloranthttps://marc-os.com/blog/let-s-encrypt-cert-re-newel-via-dns-01-challenge/https://marc-os.com/blog/let-s-encrypt-cert-re-newel-via-dns-01-challenge/This guide explains how to switch from HTTP-01 to DNS-01 ACME challenges, so you can automate certificate issuance for any service (web servers, mail servers, and more) without exposing port 80.Fri, 16 May 2025 00:00:00 GMTletsencryptacmednstlshttps://marc-os.com/blog/hello-world/https://marc-os.com/blog/hello-world/Testing my md rendering tool to make posts!Thu, 27 Mar 2025 00:00:00 GMTmetamarkdown