备份基线：3-2-1 在 VPS 上怎么落地 / Backup baseline 3-2-1 on a VPS

技术教程版块欢迎可复现步骤。备份建议讨论：本地快照 + 异地对象存储 + 定期恢复演练（3-2-1 思路）。命令示例请标注发行版与风险；生产操作自负。本站不提供代运维。

指南：/guides/backup-baseline

English: Local snapshot + offsite object storage + restore drills — mark distro and risk; DIY only.

Backup drill reminder: a snapshot you never restored is a hope, not a plan. Tag your distro when sharing commands.