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Reptyr – Forgot to “screen” your ssh session first, and now that long running…

Posted by jpluimers on 2018/12/24

From a while back, but still so cool! It allows you to “recover” the terminal (stdin/stdout/stderr) of a process that was attached to a terminal or ssh session.

Reptyr – Forgot to “screen” your ssh session first, and now that long running thing is stuck?

»reptyr PID will grab the process with id PID and attach it to your current terminal.«

server:~ # zypper install reptyr
...
Retrieving: reptyr-0.3dev_git20120325-7.1.2.x86_64.rpm ...................[done]
(1/1) Installing: reptyr-0.3dev_git20120325-7.1.2 ........................[done]
server:~ # rpm -qi reptyr
...
Summary     : A tool for "re-ptying" programs
Description :
reptyr is a utility for taking an existing running program and
attaching it to a new terminal. Started a long-running process over
ssh, but have to leave and don't want to interrupt it? Just start a
screen, use reptyr to grab it, and then kill the ssh session and head
on home.
Distribution: openSUSE 13.1

Source: [WayBack] Reptyr – Forgot to “screen” your ssh session first, and now that long running thing is stuck?… – Kristian Köhntopp – Google+

It works with tmux too and is supported on many Linux distributions, see for instance [WayBackReptyr – Move A Running Process From One Terminal To Another Without Closing It – OSTechNix.

You can even redirect a pty for gdb usage: [WayBackreptyr(1): new terminal – Linux man page

StackExchange thread: [WayBack] How to recover a shell after a disconnection with these entries:

Originally from 2011 [WayBackreptyr: Attach a running process to a new terminal – Made of Bugs it is still maintained:

GitHub repository [WayBacknelhage/reptyr: Reparent a running program to a new terminal

–jeroen

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