主题： release-upgrade

• Upgrading Debian and Ubuntu to the next major release without losing a rollback path

  Ubuntu's do-release-upgrade and Debian's manual sources-list-then-upgrade procedure both assume a full backup and a console fallback in case the SSH session drops mid-upgrade; Debian's own release notes recommend a minimal upgrade pass before the full one.

  methodology · en · reviewed · 知识截至 2026-09-24

机器可读： JSON