🐡 Small refresh on #OpenBSD Jumpstart.
New look, tighter slides, a few fixes along the way.
60 slides to get started with OpenBSD 7.9.
https://openbsdjumpstart.org
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Wesley
@obj@mastodon.bsd.cafe
mastodon 4.7.3Sysadmin • CEH Master • Dad by night • Sharing practical OpenBSD knowledge
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Joined February 17, 2026
Just stumbled on http://bsdsec.net and damn, it’s perfect.All the security advisories & errata from #OpenBSD, #FreeBSD, #NetBSD, #MidnightBSD and the rest… all in one dead-simple page.
👉https://bsdsec.net
Beautiful man pages on #OpenBSD with bat 🐱
$ doas pkg_add bat
$ man pf.conf | bat -pl man
#OpenBSD
Updated the article about bsd.rd.
Added a section on the crunched binary.
👉 https://www.openbsdjumpstart.org/bsd.rd
**Claude Mythos Preview (@AnthropicAI) → #OpenBSD security patch: https://ftp.openbsd.org/pub/OpenBSD/patches/7.8/common/025_sack.patch.sig
27-year-old TCP SACK bug found autonomously.
This is how AI accelerates security research.
Details: https://red.anthropic.com/2026/mythos-preview/**