On Feb 20, 2010 9:15pm, Sadrul Habib Chowdhury <ima...@gmail.com> wrote:
* 1.41...@gmail.com had this to say on [21 Feb 2010, 02:49:33 +0000]:
> On Feb 20, 2010 7:46pm, Sadrul Habib Chowdhury ima...@gmail.com> wrote:
>> * 1.41...@gmail.com 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.
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