Open Stack

On Thu, Jul 3, 2014 at 12:55 AM, Anita Kuno <anteaya at anteaya.info> wrote:

> On 07/01/2014 08:52 AM, CARVER, PAUL wrote:
> > Anant Patil wrote:
> >> I use tmux (an alternative to screen) a lot and I believe lot of other
> developers use it.
> >> I have been using devstack for some time now and would like to add the
> option of
> >> using tmux instead of screen for creating sessions for openstack
> services.
> >> I couldn't find a way to do that in current implementation of devstack.
> >
> > Is it just for familiarity or are there specific features lacking in
> screen that you think
> > would benefit devstack? I’ve tried tmux a couple of times but didn’t
> find any
> > compelling reason to switch from screen. I wouldn’t argue against anyone
> who
> > wants to use it for their day to day needs. But don’t just change
> devstack on a whim,
> > list out the objective benefits.
> >
> > Having a configuration option to switch between devstack-screen and
> devstack-tmux
> > seems like it would probably add more complexity than benefit,
> especially if there
> > are any functional differences. If there are functional differences it
> would be better
> > to decide which one is best (for devstack, not necessarily best for
> everyone in the world)
> > and go with that one only.
> >
> >
> >
> >
> > _______________________________________________
> > OpenStack-dev mailing list
> > OpenStack-dev at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >
> Actually as a tmux user I really like that devstack uses screen, that
> way when I have screen running in tmux, I can decide (since they have
> different default key combinations, Control+A for screen and Control+B
> for tmux) which utility I am talking to, screen or tmux.
>
> Thanks,
> Anita.
>

As a long-time nested-screen user I've run into this a lot. I've always run
a local screen session on my desktop/laptop; and then another session on
the machine I use to do real work.

When I used screen I always used to use "escape ^ee" on my local session
(as I used it less) and left the remote at the default, so that I could
choose which session I was controlling.

Now that I've switched to tmux, I do the same - but with tmux the command
is "set prefix C-e". I find tmux easier to get set up than screen because I
can have a simple shell script on my local machine that sets it up as a
"master" session.

If we did move from screen to tmux (it sounds like we have a long way to go
before we're convinced it's worth the effort), I don't think the key
bindings will be something that should sway the decision one way or the
other - they're very easy to change.


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>
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