On Mon, Feb 02, 2009 at 02:23:04PM -0500, Jim McQuillan wrote: > > > David Burgess wrote: > > On Mon, Feb 2, 2009 at 10:38 AM, Joseph Bishay <[email protected]> > > wrote: > >> Hello, > >> > >> On Mon, Feb 2, 2009 at 11:00 AM, Scott Balneaves > >> <[email protected]> wrote: > >>> Are all your students in the same primary group? Usually this is what > >>> causes > >>> this. Typically, in modern Linuxes, each user should have their own > >>> primary > >>> group the same as their userid. > >>> > >>> Scott > >> I was having this problem also and never realized that this was the > >> problem! If that's the case that each person should be their own > >> group that is the same as their userid, is the no benefit to dividing > >> up people into groups like "students", "teachers", "admin", etc -- > >> that was the way I thought it was suppose to be done? > >> > >> Thanks, > >> Joseph > > > > A user can be a member of other groups besides their primary group. If > > my username is 'david' and my primary group is 'david', I can still be > > a member of groups audio, fuse, cdrom, adm, teacher, student, etc. > > While it's true that a user can be a member of multiple groups, there's > still some special significance to the initial group for each user. > > When a user creates a file, the user/group of the file is set to that of > the user and whatever his initial group is. > > By having each user have their own unique group, it makes it more tricky > to share files between users. If I create a file in a common directory, > I'd like other members of my group to be able to update that file. > > Sure, I can change the group of the file once I've created it, but how > many users know how to do that? > > I understand that Ubuntu prefers to setup unique initial groups for each > user, but I think there needs to be a better way to control which users > see the icons for the drives that are plugged into the workstations. > Forcing the Ubuntu way seems inappropriate here. > Would forcing a umask of 077 on all usb devices make sense? It would be relatively easy for users to learn that a usb drive is private to them, and if they want to share a file it needs to be put somewhere else (maybe home, if permissions allow, or maybe a designated shared folder).
I'm assuming that if the usb device is not readable by a user, that it will not show up on their desktop. Correct me if I'm wrong. -Rob ------------------------------------------------------------------------------ Create and Deploy Rich Internet Apps outside the browser with Adobe(R)AIR(TM) software. With Adobe AIR, Ajax developers can use existing skills and code to build responsive, highly engaging applications that combine the power of local resources and data with the reach of the web. Download the Adobe AIR SDK and Ajax docs to start building applications today-http://p.sf.net/sfu/adobe-com _____________________________________________________________________ Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-discuss For additional LTSP help, try #ltsp channel on irc.freenode.net
