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Re: RFH: screen -- terminal multiplexor with VT100/ANSI terminal emulation


Karl Goetz wrote:
> > > >    2) Make screen 4.0.3 and screen 4.1.0 installable at the same
> > > > time, i.e. give them different source and binary package names.
> > > This would require a great amount of work
> > 
> > I fear so, yes.
> > 
> > > to fix a tiny problem which presents itself just for the length of
> > > the upgrade process, if at all.
> > 
> > Correct. It's an option nevertheless, so I mentioned it.
> Sorry if I've misunderstood, but doesn't this problem manifest for
> *anyone* trying to ssh from a wheezy system to a squeeze system?

I'm not sure which problem you exactly think of.

If you do a dist-upgrade via ssh and loose the connection, your
running apt-get or aptitude will loose its tty (unless running inside
screen or tmux of course) and usually exits unsuccessfully. After you
reconnected via ssh you usually have to run dpkg --configure --pending
first to clean up the mess and then continue with the dist-upgrade.

But in nearly every case this is recoverable remotely -- except if the
new openssh-server version itself was somewhere after being unpacked
but not yet configured. Then you may get something like
"ssh_exchange_identification: Connection closed by remote host".
(Happend to me once so far when I tried to continue a dist-upgrade
inside screen remotely from some other host. Luckily the ssh
connection from the host where I started the dist-upgrade still was

		Regards, Axel
 ,''`.  |  Axel Beckert <abe@debian.org>, http://people.debian.org/~abe/
: :' :  |  Debian Developer, ftp.ch.debian.org Admin
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