Microsoft surprises with its first server Linux distribution: Azure Linux 4.0
Summary
Microsoft announced Azure Linux 4.0, a Fedora-based, general-purpose Linux distro for Azure and Windows via WSL, built on the Azure Linux/Mariner lineage and using Flatcar as upstream for a hardened container host. It will ship as a VM image for Azure and as a path to WSL, with two years of support and monthly security updates, and an automatic upgrade option for those who opt in.