On 2011-07-25 14:19, Reinhard Tartler wrote: > On Mon, Jul 25, 2011 at 13:52:30 (CEST), Moritz Struebe wrote: > >> On 2011-07-25 13:37, Reinhard Tartler wrote: >>> To be honest, I'd like to remove the cleanup daemon completely and >>> integrate the cleanup into the listsessions command. The current >>> implementation of the cleanup daemon in perl that runs as root and >>> doesn't work properly anyway makes me feel quite uneasy. >> I think there are two things that nedd cleaning up: >> 1) Clean dead sessions from the DB to free displays. >> 2) Clean up hold sessions in the home-dir to free memory. >> >> The first is probably better done as daemon/cron-job. The daemon needs >> extended rights, because it needs access to all sessions (this is >> relevant due to the postgres-implementation), and needs to run on every >> server. Running as x2gouser should do the trick, though. > Why can't this run in user context? I mean the user has priviledges to > create sessions, why can't he clean up after himself?
He can, of course. But we also want to clean up sessions of people who only log in once in a while. > >> The second is probably best placed in x2gocreatesession, as the user >> should have the rights to clean up it's old sessions (root normally may >> not access foreign homes via NFS). > Why is this cleanup better done at 'create session' time rather than at > 'listing sessions' time? List session should list sessions. You don't want it to have strange side-effects (IMO deleting files is such a strange side-effect). While not perfect, x2gocreatesession (and x2goresumesession?) is rather something you expect to do more, as it also creates a profile folder. You might even want it to wait a week before it cleans up, so you can "debug" your session. Cheers Morty -- Dipl.-Ing. Moritz 'Morty' Struebe (Wissenschaftlicher Mitarbeiter) Lehrstuhl für Informatik 4 (Verteilte Systeme und Betriebssysteme) Friedrich-Alexander-Universität Erlangen-Nürnberg Martensstr. 1 91058 Erlangen Tel : +49 9131 85-25419 Fax : +49 9131 85-28732 eMail : stru...@informatik.uni-erlangen.de WWW : http://www4.informatik.uni-erlangen.de/~morty
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