On Feb 20, 2010 9:15pm, Sadrul Habib Chowdhury <address@hidden> wrote: > * address@hidden had this to say on [21 Feb 2010, 02:49:33 +0000]: > > > On Feb 20, 2010 7:46pm, Sadrul Habib Chowdhury address@hidden> wrote: > > >> * address@hidden had this to say on [18 Feb 2010, 18:31:39 +0000]: > > > > > >> > I run a combination of screen and autossh to open terminal emulators > > >> on a > > > > > >> > remote box R. Occasionally, be by accident or by design, my local box L > > > > > >> > gets rebooted. When this happens, on bringing L up again I would like to > > > > > >> > retrieve my screen/autossh terminal emulators running on R. This is easy > > > > > >> > enough: First I ssh from L into R; in this ssh session I do screen -list > > > > > >> > to obtain the list of detached screens in R; I finally reattach to the > > > > > >> > screen session I want by means of exec screen -x id, where id is the id > > > > > >> > of the target screen session, as printed out by screen -list. > > > > > >> > > > > > > >> > Although this recovers my detached session all right, the problem is > > >> that > > > > > >> > in RI will now have two screen sessions for each screen session I > > > > > >> > reattach to. Is there a simple way to reattach without incurring in this > > > > > >> > drawback? > > > > > > > > > > > >> Do you mean two screen 'processes', when you say two screen 'sessions'? > > > > > > I guess it is processes. When screen -list lists, say, 10 entries, > > > according to ps I also have 10 instances of screen. > > > > If -list displays 10 entries, then yes, there are 10 sessions. > > > > By 'session', I here mean a 'server process'. When you attach to a > > session, a 'display' (or 'client') is created. A single session can have > > several (or none) displays. However, 'screen -list' displays only > > the 'sessions', not 'displays', so if you attach to 5 sessions, however > > many times, it should only display 5 entries. > > > > It almost sounds like instead of attaching to an existing session, new > > sessions are created. Can you confirm that the attaches are indeed being > > successful?
Yes, the attaches are successful. I get back the running sessions exactly where they were. The only thing is, for each session I originally had, according to screen -list, I now have two.