Re: [gentoo-user] I (user) can write to / ... but why? (solved)

[Ralph Slooten <axllent@gmail.com>]

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The problem on both my laptop and workstation was simply the fact that
the root partition (/) was owned by UID=1000 GUI=100. Apparently this is
a bug, but a simple `chown root:root /` was sufficient to fix the
problem, and I also changed several file-permissions in underlying
directories (like usr).

Thanks all for your help

Greetings
Ralph

Ralph Slooten wrote:
> Hiya all,
> 
> Now I feel *really* stupid asking this, but for the life of me I cannot
> work it out. On two machines here at home I discovered that I can write
> as a particular normal user to the root partition (/). This also means I
> can rename /root to /root1 if I want (I just tried), and create / delete
> files on / too. The strange thing is this does not work for another
> account (wife's) on the same machine, which seems to have the same
> permissions. It's almost like / is getting mounted by user "axllent"
> here. Other partitions that get mounted do not work, just /
> 
> I have checked fstab:
> /dev/hda3    /     reiserfs    noatime       0 0
> 
> In /etc/lilo.conf (on one machine that uses it) I have:
> image=/boot/vmlinuz-2.6.11.10
>         label="2.6.11.10"
>         root=/dev/hda3
>         vga=791
>         read-only
> 
> the permissions of /dev/hda3 are:
> axllent@workstation ~ $ ll /dev/hda3
> lr-xr-xr-x  1 root root 33 Aug 15 18:55 /dev/hda3 ->
> ide/host0/bus0/target0/lun0/part3
> 
> axllent@workstation ~ $ ll /dev/ide/host0/bus0/target0/lun0/part3
> brw-------  1 root root 3, 3 Jan  1  1970
> /dev/ide/host0/bus0/target0/lun0/part3
> 
> My groups for this user on both machines are:
> wheel audio cdrom games cdrw usb users portage
> &
> wheel audio at usb users
> 
> My wife who cannot write to / has
> wheel audio games usb users
> 
> Using Reiserfs3.
> 
> Does anyone have any idea what's causing this, and possibly how I can
> make / read-only?
> 
> Greetings
> Ralph
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