https://lizhixin.top/categories/%E8%BF%90%E7%BB%B4%E5%AE%9E%E8%B7%B5/Recent content in 运维实践 on 云栈开发手记Hugozh-CNTue, 04 Aug 2026 00:00:00 +0000https://lizhixin.top/posts/linux-mountpoint-immutable-protection/Tue, 04 Aug 2026 00:00:00 +0000https://lizhixin.top/posts/linux-mountpoint-immutable-protection/Linux 挂载失败时，程序可能把数据写入本地目录。本文用 chattr +i 保护挂载点，并说明原理与验证过程。