Extended security support for Ubuntu 18.04, deployed inside your Azure subscription.
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Ubuntu 18.04 LTS (Bionic Beaver) reached end of standard support in May 2023. This image bundles TuxCare Extended Lifecycle Support (ELS) so teams running legacy workloads on 18.04 continue to receive security patches for the kernel, base OS, and thousands of universe packages — without rushing a migration that breaks production. Unlike a hosted patching service, this VM runs entirely inside your own Azure tenant. The workload, logs, and data stay within your subscription boundary, and Azure compute is billed directly to you with no markup. You retain full root access, your own networking, and your existing backup and monitoring stack. The image is pre-configured for Azure: cloud-init enabled, Azure Linux Agent installed, managed identity ready, and no public IP attached by default. It integrates cleanly with VNet peering, Azure Monitor, Microsoft Defender for Cloud, and Entra ID login for SSH via the AAD extension. Use this image when you have legacy applications, vendor software, or internal tooling that has not yet been ported to 22.04 or 24.04, and you need a supported, patched 18.04 environment to bridge the gap.
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