For over three years nowhttps://www.zdnet.com/article/microsoft-developer-reveals-linux-is-now-more-used-on-azure-than-windows-server/. And, of all the Linux distributions used on the cloud, https://www.zdnet.com/article/ubuntu-linux-continues-to-rule-the-cloud/.

Even Linux has its fair share of problems, and in the latest, a recent https://status.azure.com/en-us/status failing.

The heart of the problem is when a security patch, https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1988119 instances, it made them unable to resolve DNS queries.

Besides Ubuntu 18.04, the security hole and its fix are also present in Red Hat Enterprise Linux (RHEL) 7 and 8.x and https://security-tracker.debian.org/tracker/CVE-2022-2526.

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