* Re: [mount] --bind -o suid/exec/...
[not found] ` <20100209162305.GG6375@nb.net.home>
@ 2010-02-09 17:09 ` Stephane Chazelas
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From: Stephane Chazelas @ 2010-02-09 17:09 UTC (permalink / raw)
To: Karel Zak; +Cc: util-linux-ng
2010-02-09 17:23:05 +0100, Karel Zak:
[...]
> > mount --bind /here /there
> > mount -o remount,noexec /there
[...]
> >, or better, "mount" could
> > be changed so that one can do it in a single step with:
> >
> > mount --bind -o noexec /here /there
>
> this is unsupported by kernel, the "remount" and "bind" are two
> different operations.
[...]
Thanks Karel,
but what about changing mount(8) so that it does two mount(2)s
upon --bind -o?
One thing I've not mentionned is that it makes it quite awkward
to add it in /etc/fstab.
/here /there none bind 0 0
there-remount /there none remount,noexec 0 0
works with mount -a but not with Ubuntu's mountall(8) for
instance.
Cheers,
Stephane
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