FreeBSD Articles 2025 Q1 [projektierung]

Eva Winterschön

These are the topics that I've been spending time with, on no specific schedule, with no intended intention, often for debugging or optimization, sometimes purely for curiosity, and often in-between other tasks throughout the day and night, so they might as well get some blog posts for discussion. All of the topics have already been written via configs, scripts, list-docs, and automation tooling, but no formal blog posts

Industry

💖 Siren Song of the UltraSparc 💖

Eva Winterschön

02:42, awoken to first-morning, 4hrs sleep 02:55, at home office standing desk 02:58, navigate to eBay once more 02:59, search Sparc M7 T7-2 chassis 03:08, begin writing silly poem 03:12, resume eBay search 03:16, distracted by dtrace for tcshrc 03:20, distracted by view of Lake Michigan 03:22, return to Mastodon post-form 03:28, distracted by tcsh config options 03:32, review

Musings Emotive

A Minor Commentary on SED/Opal Encryption

Eva Winterschön

Data-At-Rest Encryption is a common topic, but one which is often misunderstood. Having led engineering and architectural efforts involved with hardware standards for encryption compliance, including detailed analysis of performance impacts while operating in accordance to service level agreements, here are some bits of discussion on the SED/Opal implementation. TL;DR * SED/Opal TCG spec'd drives are doing just fine. I trust it more than LUKS2 by

Industry

Performance & Regressions -- How Orgs Ship Code to Production

Eva Winterschön

See that image? Right around the mid-section we see a common problem with the manner in which code is shipped to production. That one little section, displayed as a subsection of "build & packaging", happily named "regression + performance testing". Whether the product is a user-facing site, or middle-ware component, or baremetal systems which provide cloud resources that we all know and (sometimes) love... the success of