[CentOS] How to reattach to a failed ssh session or process

Craig White craigwhite at azapple.com
Thu Sep 21 13:29:04 UTC 2006

On Thu, 2006-09-21 at 09:19 -0400, Lamar Owen wrote:
> On Wednesday 20 September 2006 11:12, Les Mikesell wrote:
> > On Wed, 2006-09-20 at 09:41 -0500, Erick Perez wrote:
> > > Hi, is there a way to "reconnect" to a ssh session that was
> > > disconnected and left running processes in the linux server?
> > You can't reconnect to a broken ssh connection, and in fact it
> > should have killed all the processes you were running.  
> Unfortunately, I have seen many instances where ssh sessions do like this; if 
> one happens to be running a yum update in one, and yum is downloading 
> packages (putting yum into its unkillable mode, which, in my opinion is such 
> an annoying thing; there have been a number of times I'd start up an update, 
> have it run for a while, then need to leave (taking my laptop with me, and 
> thus disconnecting the session, which can cause its own problems) where I'd 
> like to just simply CTRL-C yum and have it do the Right Thing; yum just 
> cycles to the next mirror (at least the last time a couple of weeks ago it 
> did this) when you hit CTRL-C OR when you send yum a SIGTERM)), then you can 
> get some really wierd artifacts with unkillable but not running yum 
> processes; I have seen a few where SIGKILL didn't do anything, and all 
> because of a network glitch. 
man screen

screen creates a detachable session


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