Gentoo Archives: gentoo-user

From: Daniel da Veiga <danieldaveiga@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] I (user) can write to / ... but why?
Date: Mon, 15 Aug 2005 19:16:51
Message-Id: 342e10905081512127bf9c2be@mail.gmail.com
In Reply to: [gentoo-user] I (user) can write to / ... but why? by Ralph Slooten
1 Have you tried adding "users" to your fstab?
2
3 On 8/15/05, Ralph Slooten <axllent@×××××.com> wrote:
4 > -----BEGIN PGP SIGNED MESSAGE-----
5 > Hash: SHA1
6 >
7 > Hiya all,
8 >
9 > Now I feel *really* stupid asking this, but for the life of me I cannot
10 > work it out. On two machines here at home I discovered that I can write
11 > as a particular normal user to the root partition (/). This also means I
12 > can rename /root to /root1 if I want (I just tried), and create / delete
13 > files on / too. The strange thing is this does not work for another
14 > account (wife's) on the same machine, which seems to have the same
15 > permissions. It's almost like / is getting mounted by user "axllent"
16 > here. Other partitions that get mounted do not work, just /
17 >
18 > I have checked fstab:
19 > /dev/hda3 / reiserfs noatime 0 0
20 >
21 > In /etc/lilo.conf (on one machine that uses it) I have:
22 > image=/boot/vmlinuz-2.6.11.10
23 > label="2.6.11.10"
24 > root=/dev/hda3
25 > vga=791
26 > read-only
27 >
28 > the permissions of /dev/hda3 are:
29 > axllent@workstation ~ $ ll /dev/hda3
30 > lr-xr-xr-x 1 root root 33 Aug 15 18:55 /dev/hda3 ->
31 > ide/host0/bus0/target0/lun0/part3
32 >
33 > axllent@workstation ~ $ ll /dev/ide/host0/bus0/target0/lun0/part3
34 > brw------- 1 root root 3, 3 Jan 1 1970
35 > /dev/ide/host0/bus0/target0/lun0/part3
36 >
37 > My groups for this user on both machines are:
38 > wheel audio cdrom games cdrw usb users portage
39 > &
40 > wheel audio at usb users
41 >
42 > My wife who cannot write to / has
43 > wheel audio games usb users
44 >
45 > Using Reiserfs3.
46 >
47 > Does anyone have any idea what's causing this, and possibly how I can
48 > make / read-only?
49 >
50 > Greetings
51 > Ralph
52 > -----BEGIN PGP SIGNATURE-----
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54 >
55 > iD8DBQFDAN6KCt0ZF9kLPvYRAueFAJ49kV9gKfRSPPPeVaOR+wexDHSBjACfXa5K
56 > pbfD7OBM9Aom2jO2rWFpxlo=
57 > =KeTJ
58 > -----END PGP SIGNATURE-----
59 > --
60 > gentoo-user@g.o mailing list
61 >
62 >
63
64
65 --
66 Daniel da Veiga
67 Computer Operator - RS - Brazil
68 -----BEGIN GEEK CODE BLOCK-----
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73
74 --
75 gentoo-user@g.o mailing list

Replies

Subject Author
Re: [gentoo-user] I (user) can write to / ... but why? Christoph Gysin <cgysin@×××.ch>