1 |
Apparently, though unproven, at 17:20 on Wednesday 15 December 2010, |
2 |
meino.cramer@×××.de did opine thusly: |
3 |
|
4 |
> J. Roeleveld <joost@××××××××.org> [10-12-15 16:00]: |
5 |
> > On Wednesday 15 December 2010 15:41:25 meino.cramer@×××.de wrote: |
6 |
> > > Neil Bothwick <neil@××××××××××.uk> [10-12-15 15:40]: |
7 |
> > > > On Wed, 15 Dec 2010 15:13:31 +0100, meino.cramer@×××.de wrote: |
8 |
> > > > > And this happens to any mountpoint I mount that device on |
9 |
> > > > > regardless of its perm settings before the mount |
10 |
> > > > |
11 |
> > > > With nothing mounted on it, the mount point's permission are those of |
12 |
> > > > the directory. As soon as you mount something on it, the mount point |
13 |
> > > > has the ownership and permissions of the root of the filesystem that |
14 |
> > > > you just mounted there. In the same way that the contents of the |
15 |
> > > > filesystem appear at the mount point, so does the metadata, so |
16 |
> > > > change the permissions after mounting. |
17 |
> > > |
18 |
> > > ...unfortunately (as root) |
19 |
> > > |
20 |
> > > cd /tmp |
21 |
> > > chmod 1777 . |
22 |
> > > |
23 |
> > > does not help... |
24 |
> > |
25 |
> > I don't think you can change the permissions like that. |
26 |
> > Try: |
27 |
> > cd / |
28 |
> > chmod 1777 /tmp |
29 |
> > |
30 |
> > To remove the "s"-bits, try the following: |
31 |
> > cd / |
32 |
> > chmod u-s /tmp |
33 |
> > chmod g-s /tmp |
34 |
> > |
35 |
> > This, however, needs to be done while the "/tmp" filesystem is mounted. |
36 |
> > Otherwise you are only changing the mount-point (directory) not the |
37 |
> > actual filesystem. |
38 |
> > |
39 |
> > -- |
40 |
> > Joost |
41 |
> |
42 |
> interesting... |
43 |
> Until now, I thought '.' is equal to the directory I am in. |
44 |
|
45 |
Usually it is, this is a special case |
46 |
|
47 |
Every other action you could do with it resolves to the same thing no matter |
48 |
what point of view you take. |
49 |
|
50 |
chmod/chown changes the filesystem or mount point, which are different things. |
51 |
So there's two command interpretations. It's all quite logical once you've |
52 |
figured it out but even then most of us still never remember which is which... |
53 |
|
54 |
|
55 |
|
56 |
|
57 |
> |
58 |
> Ok, times is changing, me too, but as it seems not fast enough ;) |
59 |
> |
60 |
> Thanks a lot... thats fix it! |
61 |
> |
62 |
> Best regards, |
63 |
> mcc |
64 |
|
65 |
-- |
66 |
alan dot mckinnon at gmail dot com |