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Containers

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Ubuntu 26.04 will block upgrades on Thursday if containers still use cgroup v1

Ubuntu 26.04 LTS will refuse to upgrade any system whose containers still run on cgroup v1, forcing admins to migrate runtimes like Docker < 20.10 to cgroup v2 before the April 23 release.
April 20, 2026
ubuntu cgroup containers docker linux
Your old laptop is a decent entry-level Proxmox server – if you respect its limits

Revive your old laptop as a Proxmox server for home lab projects, but respect its thermal and power limitations to avoid damage.
April 16, 2026
Proxmox home server DIY laptop self-hosting containers

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