And the output will be shown in LightDM? I'll give that a try. -- Michael Richter
Technische Universität Berlin Universitätsbibliothek IT-Service Fasanenstraße 88, 10623 Berlin Telefon: +49 (0)30 314-76310 m.rich...@tu-berlin.de www.ub.tu-berlin.de -----Ursprüngliche Nachricht----- Von: Stephan Wiesand [mailto:stephan.wies...@desy.de] Gesendet: Mittwoch, 1. Februar 2017 13:08 An: openafs-info@openafs.org Cc: Richter, Michael Betreff: Re: [OpenAFS] Check free space on AFS share before login Hi Michael, > On 1 Feb 2017, at 11:08, Richter, Michael <m.rich...@tu-berlin.de> wrote: > > Hi, > we are using OpenAFS for the home drive. /home/users is a symlink to the AFS > path with all the home shares. The users home is for example > /home/users/username. > > The users only have 1 GB of space available in that share. It often happens > that the quota is reached and they are unable to login. Ubuntu doesn’t give a > meaningful error message. I think, Ubuntu doesn’t know what’s the problem, > because it sees only “/” as mountpoint, which has enough free space available. > > Is there a way to check the free space of the user on login and give the user > a good error message if there is not enough free space available in the AFS > share? nice idea... I should probably implement that here. Something like auth required pam_exec.so stdout /bin/check_home_space should work well enough at least with lightdm. Just make the script print a short message to stdout and exit 1 in the failure case. Hth Stephan > > I think about using pam-script to run a script that checks it but I can’t see > a way to bring back that message to the user. Also pam-afs-session seems not > to have some option for that. Is there some other solution? > > Greetings > Michael -- Stephan Wiesand DESY -DV- Platanenallee 6 15738 Zeuthen, Germany
