Azure Linux 4.0 is Microsoft's first general-purpose Linux
Microsoft has launched Azure Linux 4.0, marking its first general-purpose Linux distribution. This version allows users to run it on any Azure virtual machine, expanding its usability beyond just Azure Kubernetes Service. The update introduces significant changes, including a shift to a Fedora-based architecture and enhanced security features.
- ▪Azure Linux 4.0 is now available for public preview and can be run on any Azure VM.
- ▪The distribution is derived from Fedora and includes a modernized package management system with dnf5.
- ▪Security enhancements include SELinux support, cryptographic signing of packages, and ongoing FIPS 140-3 certification.
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Linux Azure Linux 4.0 is Microsoft’s first general-purpose Linux Microsoft’s in-house Linux, the distribution that grew out of CBL-Mariner, just hit public preview as a general-purpose cloud OS you can run on any Azure VM. Here is why that is a real step in Microsoft’s Linux journey, not just a version bump. Hayden Barnes 03 Jun 2026 — 4 min read Share Microsoft shipped Azure Linux 4.0 into public preview at Build 2026, and for the first time you can run it on any Azure virtual machine, not just as the host underneath Azure Kubernetes Service. That sounds like a small distinction.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Box of Cables.
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