# How we automatically test the world's most secure Linux distribution

DevFeed: [How we automatically test the world's most secure Linux distribution](<https://devfeed.tech/articles/how-we-automatically-test-the-world-s-most-secure-linux-distribution-13098.md>)

Original publisher: [Read original article](<https://www.chainguard.dev/unchained/how-we-automatically-test-the-worlds-most-secure-linux-distribution>)

Published: 2026-05-01T00:00:00Z

Content type: article

Language: en

Sources: [Chainguard: Unchained](<https://devfeed.tech/sources/chainguard-unchained.md>)

Topics: [test-coverage](<https://devfeed.tech/topics/test-coverage.md>), [chainguard os](<https://devfeed.tech/topics/chainguard-os.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [chainguard containers](<https://devfeed.tech/topics/chainguard-containers.md>)

Tags: [chainguard](<https://devfeed.tech/tags/chainguard.md>), [chainguard-containers](<https://devfeed.tech/tags/chainguard-containers.md>), [chainguard-os](<https://devfeed.tech/tags/chainguard-os.md>), [chainguard-packages](<https://devfeed.tech/tags/chainguard-packages.md>), [chainguard-testing](<https://devfeed.tech/tags/chainguard-testing.md>), [linux](<https://devfeed.tech/tags/linux.md>), [test-coverage](<https://devfeed.tech/tags/test-coverage.md>)

## AI overview

Chainguard OS has achieved 100% test coverage across its package and subpackage catalog. The automated tests execute software, verify behavior, and test service lifecycles across x86_64 and aarch64 packages before release.

## Source excerpt

Chainguard OS achieves 100% package test coverage, verifying every component runs correctly to make rolling updates secure, reliable, and enterprise-ready.