Wow, Gentoo is really uptight with the perms! I have the same as below:

root@debian-testing-i386:~ > ls -l /dev/input/event? crw-rw---- 1 root root 13, 64 Sep 26 13:11 /dev/input/event0 crw-rw---- 1 root root 13, 65 Sep 26 13:11 /dev/input/event1

Basically, you can either change the perms of the devices, or add
your user to the "root" group.

.hc

On Dec 4, 2006, at 4:55 PM, Jerome Tuncer wrote:

Hi tim, list,

Debian is :

crw-rw---- 1 root root 13, 64 2006-12-04 20:02 event0 crw-rw---- 1 root root 13, 65 2006-12-04 20:02 event1 crw-rw---- 1 root root 13, 66 2006-12-04 20:02 event2

I remember when I used [hid] a lot I had to :

# chmod a+r /dev/event*

before being able to read anything from it.

++

Jé

Tim Blechmann a écrit :

...

hi hans, i'm just curious ... on gentoo the permissions for the /dev/input/ eventX devices are set to 600, so they are not available for the ordinary user ... is this a specific bug/feature of gentoo? did you
experience anything like this on other distributions? tim -- tim@klingt.org ICQ: 96771783 http://www.mokabar.tk You can play a shoestring if you're sincere John Coltrane

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On Dec 5, 2006, at 3:22 AM, IOhannes m zmoelnig wrote:

Hans-Christoph Steiner wrote:

...

Basically, you can either change the perms of the devices, or add
your user to the "root" group.

do i read correctly that you are proposing to add your user to the "root" group?

Yes, the root group doesn't really give you much additional access.
Mostly its read permissions on some logs and r/w on the input
devices, /dev/etc, and /dev/apm_bios, AFAIK.

i would rather change the group of /dev/input/event* via /etc/udev/ rules.d/ (and add myself to this group).

If you have udev running, that does sound like a better option.

or run pd as root.

That is far, far worse than the root group. That gives you complete
r/w access to everything. Quite a bit different than the root
group. I definitely do not recommend that at all.

or run w98

You must be joking =D

.hc

If you are not part of the solution, you are part of the problem.

Roman Haefeli wrote:

this sounds so easy, but it is not, at least for me. although this might be off-topic, i'd like to ask the list, how to do this step-by-step, since everyone, who uses [hid] on a linux-box, is confronted with that question. the ugly solution i am using for now, is to change the permissions manually each time i boot the computer and want to use a joystick.

adding this line to /etc/udev/permissions.rules (on a debian system) KERNEL=="event[0-9]*", MODE="0664", GROUP="games"

should give you rw-rw-r permissions (and the group will be set to "games") choose your own group and mode.

this is something you i have guessed by just looking at the /etc/udev/ directory and the contents of some files therein. i do not doubt that there is lot of information available in the net.

mfgadr IOhannes

Roman Haefeli wrote:

On Tue, 2006-12-05 at 09:22 +0100, IOhannes m zmoelnig wrote:

...

Hans-Christoph Steiner wrote:

...

Basically, you can either change the perms of the devices, or add your user to the "root" group.

do i read correctly that you are proposing to add your user to the "root" group?

i would rather change the group of /dev/input/event* via /etc/udev/rules.d/ (and add myself to this group).

hi IOhannes, hi list

this sounds so easy, but it is not, at least for me. although this might be off-topic, i'd like to ask the list, how to do this step-by-step, since everyone, who uses [hid] on a linux-box, is confronted with that question. the ugly solution i am using for now, is to change the permissions manually each time i boot the computer and want to use a joystick.

thanks for any suggestions

roman

In my opinion, this is the cleanest way to do it:

• First add your account to the 'audio' group:

edit /etc/group and find the line that starts with 'audio'. Add your account after the colons. For instance In my '/etc/group' have:

audio::17:cesarem

The group number could be different.

• Then edit /etc/udev/rules.d/udev.rules:

Find the line that starts with ' "KERNEL="event*", '. Change the permissions as "0660" and add the 'audio' group.

Here I have:

KERNEL="event*", NAME="input/%k", MODE="0660", GROUP="audio"

Ciao,

c.

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IOhannes m zmoelnig wrote:

Cesare Marilungo wrote:

...

• First add your account to the 'audio' group:

edit /etc/group and find the line that starts with 'audio'. Add your account after the colons. For instance In my '/etc/group' have:

better use "adduser <user> <group>" (e.g. "adduser cesarem audio"). this way you have less chance to fuck up your /etc/group file.

Yes, you're right.

But /etc/group is just a plain text without encrypted data, and editing it with vi or whatever gives the very same result.

It's easier to fuck up udev.rules, though.

c.

if you really MUST edit /etc/group, /etc/passwd and their shadowy friends by hand, use specialised tools, such as "vipw [-s]" and "vigr [-s]".

mfga.dr IOhannes