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I modified /etc/fstab.

I verified the new devices and I can mount them with the mount command.

How may I validate the modifications made to /etc/fstab ?

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2 Answers 2

up vote 21 down vote accepted

You can simple run: mount -a

-a Mount all filesystems (of the given types) mentioned in fstab.

This command will mount all (not-yet-mounted) filesystems mentioned in fstab and is used in system script startup during booting.

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...and compare it to /etc/mtab once you've done a "sudo mount -a", just to make sure all your options have been honoured. –  adebaumann Aug 25 '10 at 10:25
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mount -a by rereading /etc/fstab would also reload /etc/mtab so he should be fine with that only. –  Prix Aug 26 '10 at 2:41
    
isn't that the point which adebaumann is trying to raise here? mount -a might return success, but doesn't necessarily mean that all the specific mount options have been honoured. since this will also reload /etc/mtab, you should check to see if all option are working? –  RapidWebs Jun 28 at 7:21

The mount command take an --fake or -f for short. The following command should do what you need:

mount -fav

The following is in the documentation for -f option:

Causes everything to be done except for the actual system call; if it's not obvious, this ``fakes'' mounting the filesystem. This option is useful in conjunction with the -v flag to determine what the mount command is trying to do.

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