Re: [newbie] permissions hell

2002-09-04 Thread Michael Viron

That doesn't really help - but other unices have a 'wheel' but Linux
doesn't really have it per se. It can no doubt be added, or even faked,
if need be.

Actually, linux does have a wheel group, as shown below.

mviron@server ~ $ more /etc/group | grep wheel
wheel:x:10:root
mviron@server ~ $ 

If you need something owned by root to be accessible to the wheel group,
you'd change the settings from root:root to root:wheel.

Michael

--
Michael Viron
Project Manager / Primary Developer / Manager of Online Operations
General Education Online




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Re: [newbie] permissions hell

2002-09-04 Thread Anne Wilson

On Friday 30 Aug 2002 10:27 pm, you wrote:
 Hello,

 I'm running Mandrake 7.1 (I know I know, long story..) and I'm having what
 I think is a permissions problem.
 Its the cdrom and floppy drives, specificly unless I'm logged in as root I
 can't get to 'em.
 This is, a super pain. I want to be a good doobie and not play around with
 stuff while logged in as root, but if I want to move stuff between machines
 I need the floppy drive(No network yet, coming soon)
 So smarty that I am I pull out the books. Yes books.
 Then I edit /etc/group and make my user part of all the groups that look
 entertaining, disk,cdrom,floppy,users.
 Doesn't help a bit. Finally in a fit of desparation I add myself to root.
 Which also doesn't help a bit.
 Oh, I do log out between tries, but I presume theres some way around that,
 which I'd appreciate knowing
 So I'm stumped, I can mount and unmount but not use... HELP!

 -Curt

Things are quiet at the moment - I think people are on holiday, so I'll try 
to help although I'm not an expert.

Have you got 'user' in the definition lines in your /etc/fstab?  If not, add 
'user,' (without quotes of course) after the mount bit dev=/dev/whatever and 
before the fs=iso9660 bit.

Anne



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[newbie] permissions hell

2002-08-30 Thread Curt

Hello,

I'm running Mandrake 7.1 (I know I know, long story..) and I'm having what 
I think is a permissions problem.
Its the cdrom and floppy drives, specificly unless I'm logged in as root I 
can't get to 'em.
This is, a super pain. I want to be a good doobie and not play around with 
stuff while logged in as root, but if I want to move stuff between machines 
I need the floppy drive(No network yet, coming soon)
So smarty that I am I pull out the books. Yes books.
Then I edit /etc/group and make my user part of all the groups that look 
entertaining, disk,cdrom,floppy,users.
Doesn't help a bit. Finally in a fit of desparation I add myself to root. 
Which also doesn't help a bit.
Oh, I do log out between tries, but I presume theres some way around that, 
which I'd appreciate knowing
So I'm stumped, I can mount and unmount but not use... HELP!

-Curt




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Re: [newbie] permissions hell

2002-08-30 Thread dfox

 
 This is a multi-part message in MIME format...
 
 =_1030741952-3326-218
 Content-Type: text/plain; charset=us-ascii; format=flowed
 
 Hello,
 
 I'm running Mandrake 7.1 (I know I know, long story..) and I'm having what 
 I think is a permissions problem.

What are the permissions on the /dev device entries (/dev/cdrom, etc)?
That's usually a clue - if they are set incorrectly, then you won't be
able to access them as a user.

/dev/cdrom should be permissions 440 (i.e., as root, do chmod 440 /dev/
cdrom) - because the owner should be able to access the cdrom as well as
the group (more on that later) but 'outsiders' i.e., the world, if you
have any remote users - shouldn't have access to the 'raw' device. Now
they *can* have access to the directory where the cdrom is mounted, and 
IIRC that doesn't necessarily mean they need read access to the device.

Lots of setups do things differently, and I may not be quoting the
party line here - but it's your system :). My rationale is based on
having users that can have access to the device (other than root) such
as a disk or audio group. That is why I set the group read
permissions on. If you yourself as a user are added to that group, then
you get to use the device.

What complicates matters is that (I think) somehow the permissions are
being reset - and further complications arise if you use auto-mounting
deamons and the like. Personally, I just like the idea of mounting a new
CD as root, and then letting the user use the mount point, rather than
having direct access to the device. 



 I need the floppy drive(No network yet, coming soon)
 So smarty that I am I pull out the books. Yes books.
 Then I edit /etc/group and make my user part of all the groups that look 
 entertaining, disk,cdrom,floppy,users.

I think you're on the right track. 


root:x:0:root
bin:x:1:root,bin,daemon
daemon:x:2:root,bin,daemon,ldap

(snips) (here I only have one user, i.e., me, but this should be enough

cdrom:x:22:dfox
usb:x:43:dfox
cdwriter:x:80:dfox
audio:x:81:dfox
users:x:100:dfox

etc. 

 Doesn't help a bit. Finally in a fit of desparation I add myself to root. 
 Which also doesn't help a bit.

That doesn't really help - but other unices have a 'wheel' but Linux
doesn't really have it per se. It can no doubt be added, or even faked,
if need be.

 So I'm stumped, I can mount and unmount but not use... HELP!

OK - now what are the permissions on /mnt/cdrom? Remember it's not
simply the permissions on the device - a user needs to be able to
see the files, for instance in /mnt/cdrom. If that's not also accessible
by the user, it won't make a difference if he's in the cdrom or the 
floppy group.

 -Curt



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