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      <title>用 systemd timer 替代 cron</title>
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      <description>定时任务从 crontab 迁移到 systemd timer 的写法和好处。</description>
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      <title>用 restic 把备份推到对象存储</title>
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      <description>在本地 rsync 备份之外，用 restic 把数据加密去重后推到对象存储，补上异地的那一份。</description>
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      <title>用 rsync --link-dest 做每日增量备份</title>
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      <pubDate>Wed, 12 Mar 2025 21:40:00 +0800</pubDate>
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      <description>每天一份完整的备份目录，实际只占用变化部分的空间。</description>
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      <title>UPS 接入 NUT，停电后自动关机</title>
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      <pubDate>Sun, 19 Jan 2025 23:05:00 +0800</pubDate>
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      <description>给家里的 NAS 和 Proxmox 主机配好 NUT，停电时按剩余电量有序关机，来电后再自动开机。</description>
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      <title>用 smartctl 和 smartd 监控硬盘健康</title>
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      <pubDate>Sat, 07 Dec 2024 20:48:00 +0800</pubDate>
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      <description>给家里的硬盘配上 smartd 定时自检和手机告警，顺便记下几个真正值得关注的 SMART 指标。</description>
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