On Mon, Aug 30, 2010 at 04:56:36PM +0200, Mika Fischer wrote: > Hi Nicholas, > > A few reasons: > - Cloning the credentials cache is important when you use ssh, because > ssh will delete the original credentials cache on logout. Cloning the > credentials cache is only possible when krenew is given a command to > execute. > - Because of the cloning krenew needs to change the environment > variable pointing the the credentials cache.
are you sure it changes the environment variable? that is not normally possible, it doesn't just renew what is already in there? > - When running krenew with screen -Dm, the cloned tickets are removed > when they're no longer needed. If you run krenew separately, you will > have to kill it manually. > > Best, > Mika > > On Mon, Aug 30, 2010 at 16:38, Nicholas Marriott > <nicholas.marri...@gmail.com> wrote: > > hi > > > > why not just run krenew separately from tmux? > > > > > > On Mon, Aug 30, 2010 at 03:59:20PM +0200, Mika Fischer wrote: > >> Hi, > >> > >> in environments with Kerberos and especially NFS with Kerberos, it is > >> important to keep the Kerberos credentials valid by renewing them at > >> the proper time. Doubly so with screen or tmux sessions since they > >> typically run for a longer time. > >> > >> There is the tool krenew which does this automatically. What it does > >> is it clones the credentials cache, updates the appropriate > >> environment variable, then starts the program and *while the program > >> is running*, renews the credentials at the proper time. If the program > >> exits, krenew exits as well, deleting the cloned credentials cache. > >> > >> It is possible to use screen together with krenew, by starting a > >> screen session like this: > >> krenew -b -- screen -D -m > >> > >> This starts a detached screen session but does not fork, so that > >> krenew works properly. > >> > >> I haven't found a way to achieve this behavior with tmux. Is it > >> currently possible? If so, how? If not, do you think it would be > >> worthwhile to add an option to make it possible? Or do you have any > >> other suggestions how to deal with this issue? > >> > >> Thanks in advance! > >> > >> Best, > >> ??Mika > >> > >> ------------------------------------------------------------------------------ > >> Sell apps to millions through the Intel(R) Atom(Tm) Developer Program > >> Be part of this innovative community and reach millions of netbook users > >> worldwide. Take advantage of special opportunities to increase revenue and > >> speed time-to-market. Join now, and jumpstart your future. > >> http://p.sf.net/sfu/intel-atom-d2d > >> _______________________________________________ > >> tmux-users mailing list > >> tmux-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/tmux-users > > > > ------------------------------------------------------------------------------ This SF.net Dev2Dev email is sponsored by: Show off your parallel programming skills. Enter the Intel(R) Threading Challenge 2010. http://p.sf.net/sfu/intel-thread-sfd _______________________________________________ tmux-users mailing list tmux-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tmux-users
