[wplug] Audio CD autorun problem, RH 7.3

TC Linux linux at twistedcranium.com
Mon Mar 17 22:59:56 EST 2003


Where would I change the permissions on /dev/scd0?

Ivan Jager wrote:

> You could change the group (and maybe the permissions) on /dev/scd0, 
> to give a certain group (like users or cdrom) read permission. At 
> least that is the way I do it.
>
> On 2003.03.17 20:58 TC Linux wrote:
>
>> aha....I see when logged in as the user 'craig' I see this....
>>
>>
>> [craig at linux craig]$ ls -la /dev/cdrom
>> lrwxrwxrwx    1 root     root            9 Mar 14 21:56 /dev/cdrom -> 
>> /dev/scd0
>>
>> so sudoers probably does set this but I'm not instructing sudoers to 
>> set this right I suppose....
>>
>> back to the man page for sudoers, boy that is a legalese-sounding  
>> text though   :-)
>>
>>
>> John Harrold wrote:
>>
>>> Sometime in March TC Linux assaulted the keyboard and produced:
>>>
>>> | Thanks for the reply Frank.....nice choice of music btw....
>>> | | It seems related to groups then and who is allowed to use what, 
>>> but as | far groups, 'wheel', and 'sudoers' I have no idea what 
>>> you're talking | about there...LOL.....I'll look for a file called 
>>> 'sudoers' and the sudo | command in the mean time
>>>
>>> i think this has something to do with permissions. when i login to my
>>> computer, the permission for things in /dev like /dev/hdc (my cdrom 
>>> device)
>>> and /dev/dsp are changed to my user and some other group. so for 
>>> example:
>>>
>>> $ ls /dev/hdc
>>> brw-------   1 harrold  disk      22,   0 Apr 11  2002 hdc
>>>
>>> now i'm not sure what process does this. i'm using kdm as my graphical
>>> login manager and i'm using kde as my desktop environment. does 
>>> anyone else
>>> know what changes the permissions on the devices?
>>>
>>> sudo is a nifty program that lets you easily execute programs as 
>>> another
>>> user, like root. so if you wanted to edit a file in /etc you 
>>> wouldn't have
>>> to login as root, you would just have to do something like:
>>>
>>> sudo vim /etc/httpd/conf/httpd.con
>>>
>>> and then you would be editing the file as root. this assumes you've got
>>> sudo setup properly. my naive answer would be something to do with that
>>> wheel on the mouse, but i know that's not it. a little googling and you
>>> have this:
>>>
>>> http://groups.google.com/groups?selm=39A6D6E2.724E6D6C%40trailing-edge.com&output=gplain
>>>
>>>
>>>
>>
>>
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