on Sat, Aug 25, 2001 at 07:00:38AM -0500, Jeremy (thinker5555@yahoo.com) wrote:
>
> Howdy group!
>
> I was wondering how I'm supposed to remount root readonly. From what
> I can figure I'm supposed to issue the command "mount -o remount,ro
> /", but I only get a "mount: / is busy" message.
Do you have any processes open and writing to the root fs? lsof should
help you here.
> I've tried it without the comma between remount and ro, and it seems
> to go through okay, but I'm not 100% sure that it's now read-only.
> How can I check on this?
$ cat /proc/mounts
The data used by mount to show currently mounted partitions and status
comes from /etc/fstab, which can't be updated when / is readonly ;-)
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