CD permissions

JB mesimpleton at yahoo.com
Fri Sep 19 09:26:21 EDT 2003


I got it but it wasn't the way the HOWTO said.
chown .users /usr/bin/cdrecord
chmod 777 /usr/bin/cdrecord


--- JJ Neff <jjneff at yahoo.com> wrote:
> You do not have to actually log in as root to run
> XcdRoast, you have to have
> the equivalent root authority.  SO you can run
> Xcdroast form a cmd line with
> "sudo xcdroast"  granted you are in sudoers file
> (man sudoers, man visudo, man
> sudo) or "su" then enter root password and run
> xcdroast.  If that is what you
> meatn you were doing then skip to next part:-)
> 
> XCDroast has on newer instances a non-root user mode
> that can be enabled.  I
> clicked the selection box to disable user mode and
> now I can;t figure out how
> to get it back :-)!
> 
> But if you check your Xcdroast there may be atoggel
> to chang to regular user
> mode which changes permissions of the correct things
> so teh cdwriter group can
> use xcdroast.  Now that I clicked the do not use
> on-root button I have to be a
> root equiv as well.  Wish I could figure out how t
> get that back, BUT now I'm
> playing with K3B since I am using KDE here...
> 
> JJN
> --- JB <mesimpleton at yahoo.com> wrote:
> > I changed my fstab setting from owner to users and
> ro
> > to rw but I still have to log into root to use the
> CD
> > burner. I am currently on a windows box and when I
> try
> > to download that cdrbq I get a 15k download. I am
> > using  xcdroast which seems to work fine except
> that I
> > have to log in as root to use it. I found this bit
> of
> > information in the HOWTO's about this subject.
> > 
> > How can this be set up so that a user can burn CDs
> > instead of always being root?
> > You can add the setuid-bit to the
> cdrecord-executable.
> > However, this might be a security risk. Just
> setting
> > the permissions on the device files does not help
> as
> > cdrecord issues privileged commands via the SCSI
> > generic interfaces.
> > which cdrecord
> > chown root.root /usr/bin/cdrecord
> > chmod 4111 /usr/bin/cdrecord
> > 
> > I wonder if I should change my fstab back or if
> this
> > chown, chmod is the next step?
> > 
> > JB <mesimpleton at yahoo.com> wrote:
> > > My fstab is different and I see you must have
> > > changed
> > > it to users. Is that all that needs to be done?
> Also
> > > my fstab has ro instead of rw. I would imagine
> that
> > > is
> > > read write? Here is what I have.
> > > /dev/cdrom  /mnt/cdrom  udf,iso9660
> > > noauto,owner,kudzu,ro 0 0
> > > /dev/fd0  /mnt/floppy  auto  noauto,owner,kudzu
> 0 0
> > > Looks like my floppy is root only too although I
> > > haven't actually tried it out to see for sure.
> > > If I just change owner to user and maybe ro to
> rw,
> > > that should do the trick. I also wonder why the
> > > howto
> > > info I got earlier is a completely different way
> > > than
> > > an fstab edit? Thanks.
> > > 
> > > --- Cyber Source <peter at thecybersource.com>
> wrote:
> > > > Here is a printout of my /etc/fstab, note the
> > > cdrom
> > > > line. After you fix
> > > > that you can download a file called cdrbq, it
> > > works
> > > > great. Here is a
> > > > link to it.
> > > >
> > >
> >
>
http://sourceforge.net/project/showfiles.php?group_id=12071&release_id=176647
> > > > LABEL=/                 /                     
> 
> > > ext3
> > > >    defaults       
> > > > 1 1
> > > > LABEL=/boot             /boot                 
> 
> > > ext3
> > > >    defaults       
> > > > 1 2
> > > > none                    /dev/pts              
> 
> > > > devpts  gid=5,mode=620 
> > > > 0 0
> > > > none                    /proc                 
> 
> > > proc
> > > >    defaults       
> > > > 0 0
> > > > none                    /dev/shm              
> 
> > > > tmpfs   defaults       
> > > > 0 0
> > > > /dev/sda3               swap                  
> 
> > > swap
> > > >    defaults       
> > > > 0 0
> > > > /dev/cdrom              /mnt/cdrom            
> 
> > > > iso9660
> > > > noauto,users,rw,kudzu,user,unhide 0 0
> > > > /dev/fd0                /mnt/floppy           
> 
> > > auto
> > > >   
> > > > noauto,users,rw,kudzu 0
> > > > 0
> > > > /dev/hdb1               /mnt/windows          
> 
> > > vfat
> > > >    user,rw,umask=0
> > > > 0 0
> > > > 
> > > > 
> > > > On Wed, 2003-09-17 at 22:57, JB wrote:
> > > > 
> > > > > Thanks for all the help with setting
> > > permissions.
> > > > I
> > > > > ended up goofing it all up, but that was my
> > > fault.
> > > > I
> > > > > did want to keep each user account separate
> and
> > > > just
> > > > > wanted the folder of pictures to be shared.
> I
> > > now
> > > > know
> > > > > that I need to make a generic user which
> others
> > > > can
> > > > > share resources, along with samba. I also
> know I
> > > > need
> > > > > to read up on chmod and chown commands. I
> read
> > > > some
> > > > > today and I almost understand the big
> picture
> > > > about
> > > > > groups, users, chown and chmod. I appreciate
> all
> > > > the
> > > > > help and I think I have enough information
> to
> > > get
> > > > the
> > > > > job done. I'll attempt it again in the near
> > > future
> > > > > after I digest some more reading in those
> areas.
> > > > > I also want to let all users have use of the
> CD
> > > > burner
> > > > > but I think that permission is set in fstab,
> if
> > > > I'm
> > > > > not mistaken? I remember reading it
> somewhere,
> > > but
> > > > for
> > > > > the life of me I haven't found that info
> yet. I
> > > > think
> > > > > it was in a howto, I just haven't dug very
> deep
> > > to
> > > > > find that info yet. I think it is defaulted
> to
> > > > only
> > > > > root access for some type of security
> reason? If
> > > > > someone wants to touch bases on that
> subject, it
> 
=== message truncated ===




More information about the nflug mailing list