DevOps

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TLS Certificate Validation on Linux

We all know the drill. You type https:// into the browser, a padlock shows up, and everyone collectively agrees not to think about what just happened. That works fine right up until the moment some application on your server starts throwing certificate verify failed while curl against the same en...

Lobsters Lobsters · DevOps · Backend ·
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openQA Testing in KDE Linux

The openQA-based testing system has recently been integrated into KDE Linux (hooray!), and I thought it was about time I did a little write-up. The nature of KDE Linux, in which the whole system ships as a single signed image rather than a pile of packages, is (in theory) wonderful for reliabilit...

Lobsters Lobsters · DevOps ·
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Mass delete your cached files!

Mass delete your cached files!

decache Have you ever thought to yourself: “Gosh dang it, all these .zig-cache directories are taking up so much space on my disk, but I have so many projects it would take AGES to clean them all up! What ever could I do?” decache lets you easily clean up all directories that match a pattern,...

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The Voyage of a Small Environment Variable

The Voyage of a Small Environment Variable

The OpenTelemetry Spring Boot starter gained declarative-configuration support starting in version 2.26.0 — the same YAML schema the Java agent introduced in late 2025, now embedded inside application.yaml. This post traces what one env var, OTEL_SERVICE_NAME=petclinic, does in that new world, an...

OpenTelemetry Blog OpenTelemetry Blog · Backend · DevOps ·
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TFTP Honey pot Results

My TFTP honey pot has been running for over a month, continuously on my $5 a month VPS, and intermittently on my Dell R530 home server. It’s time to see what surprises it has captured.

Lobsters Lobsters · DevOps ·
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Practical Guide To Python App Hosting

Practical Guide To Python App Hosting

* For data-intensive and AI-powered Python apps, the hosting decision and the data architecture decision are the same decision — where your app runs determines what it can reach, at what latency and under whose governance controls. * Python hosting environments range from shared servers to fully...

Databricks Blog Databricks Blog · Python · Cloud · DevOps ·
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