Jumpbox is a tiny container with SSH server (+ client) and tmux.
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README.md

Jumpbox

Jumpbox is a tiny container with SSH server (+ client) and tmux.

tmux is to command-line interfaces what a window manager is for GUIs. I highly recommend it.

tmux increased my terminal productivity considerably, plus it lets you resume where you left off if you need to restart your laptop or your internet connection disconnects you from your SSH session.

See good looking tutorial on tmux: A tmux Primer

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                                by: function61.com

Running

Run:

$ docker run -d -p 2222:22 -e "SSH_PUBKEY=..." --name jumpbox fn61/jumpbox:VERSION_TAG

For VERSION_TAG, see DockerHub. I'm not fond of the "latest" tag as you never know what you'll be getting.

Connect

Now you can connect with SSH to the IP of your Docker host on port 2222.

Then run:

$ tmux attach

(or if you are connecting first time, i.e. nothing to attach to, run just $ tmux)

Commands

tmux is configured with non-default hotkey: Ctrl + a.

How to read the table below: for New window your command is Hotkey + c => Ctrl + a + c (hit Ctrl + a, release both keys and then c).

Category Command Shortcut: Hotkey + KEY
window New window c
window Destroy window by destroying all panels in it..
window Rename ,
session New :new
session Rename :rename
session Detach ("exit from tmux") d
session Switch between sessions s
panel Destroy panel x
panel Split vertically
panel Split horizontally %
panel Change between visible panels arrow keys
panel History: page up page up
panel History: page down page down

For more complete cheat sheet, go to tmuxcheatsheet.com

Support / contact

Basic support (no guarantees) for issues / feature requests via GitHub issues.

Paid support is available via function61.com/consulting

Contact options (email, Twitter etc.) at function61.com