How do I check the file system via the rescue system?

To perform a file system check, please proceed as follows:

  1. Determine which hard disk is to be checked.

    fdisk -l
    Disk /dev/sda: 15 heads, 57 sectors, 790 cylinders

    Units = cylinders of 855 * 512 bytes

    Device Boot Begin Start End Blocks Id System
    /dev/sda1 1 1 24 10231+ 82 Linux swap

    /dev/sda2 25 25 48 10260 83 Linux native

    The hard disk must not be mounted!

  2. Execute the filesystem check via the command fsck -y /dev/<device>.
    Checking the swap partition is not possible via fsck and is usually unnecessary. To check the 2nd partition enter the command:

    fsck -y /dev/sda2


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