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During my multitasking days, sometimes I will be booted off of an SSH session for one reason or another (idle timeouts, etc), while I am working on another task. When I return to the terminal, I will find myself back at localhost, needing to SSH back to the server. Once back at the server, I'm always in my ~ home directory by default and I need to navigate back to the directory I was at last (if I can remember it) in order to continue working.

Is it possible to automatically return to the last directory I was working in when I login?

I was thinking a homebrew solution would be aliasing cd to change directories but also save that directory into some environment variable, and then changing to that directory in my .bash_profile.

But is there any sort of functionality like this already in Linux?

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1 Answer 1

Instead of solving the cd persistence problem, you should consider solutions to resume your shell session.

  • tmux
    • Inside SSH, run tmux to start a new session
    • If disconnected, SSH in again, and run tmux attach to resume the session
    • Inside a tmux session, you can press CtrlB, then D to detach
  • screen
    • Inside SSH, run screen to start a new session
    • If disconnected, SSH in again, and run screen -r to resume the session
    • Inside a screen session, you can press CtrlA, then D to detach
  • mosh
    • mosh is an SSH replacement that runs over UDP and is designed to be resistant to network disruptions
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+1 for adding "mosh". Looks very interesting. "byobu" could be added on top of screen. –  initall Sep 8 '13 at 17:46
    
screen is interesting. I noticed that if I run a long process in a remote SSH window, then close the session, reopen it and go screen -r, it goes right back to where I left off, as if the process was still running. Is this sort of like a NOHUP thing? I can execute a long process and then don't worry about leaving the terminal open? –  Jakobud Sep 8 '13 at 19:42
    
@jakobud exactly. Things inside screen keep running after you disconnect. –  Grant Sep 8 '13 at 19:48

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