文科生请教一下 Linux 硬盘空闲空间的计算方法…… - V2EX
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firexcy
V2EX    Linux

文科生请教一下 Linux 硬盘空闲空间的计算方法……

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  •   firexcy Oct 5, 2017 3920 views
    This topic created in 3140 days ago, the information mentioned may be changed or developed.

    如题,有一台 10G VPS 上跑了 Debian 9,四五个 Docker 应用。今天偶尔跑去看了下 KiwiVM 面板,显示可用空间只剩 2G 了,感觉不是很对,就在终端里跑了一下 df 命令,但 /dev/sda2 下面就还有 3.6G+,完全对不上。查了一下几个 Docker 容器的空间占用,最大的也就 500 多 M,怎么加也用不到 8G。

    所以请教一下 Linux 的剩余空间到底是按什么标准统计的?另,有什么清理 Docker 占用空间的方法吗?

    谢谢!

    Supplement 1    Oct 6, 2017

    客服回工单了 跑了一下 fstrim / 刷新就好了

    5 replies    2017-10-07 01:19:43 +08:00
    yxwzaxns
        1
    yxwzaxns  
       Oct 5, 2017 via iPhone
    sda1 呢
    syhsyh9696
        2
    syhsyh9696  
       Oct 5, 2017
    可能没算上 swap?
    GGGG430
        3
    GGGG430  
       Oct 5, 2017
    当然以终端 fdisk -l 为准了
    GGGG430
        4
    GGGG430  
       Oct 5, 2017
    错了 df -hl
    tlday
        5
    tlday  
       Oct 7, 2017 via Android
    docker container prune
    docker volumn prune
    docker image prune
    清除所有没有运行的 docker 容器,空间,镜像,如果有备份在 volumn 的话慎用。
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