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Tmux
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====
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Defines [tmux][1] aliases and provides for auto launching it at start-up.
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Settings
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--------
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### Auto-Start
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Starts a tmux session automatically when Zsh is launched.
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To enable this feature when launching Zsh in a local terminal, add the
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following line to *zpreztorc*:
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```sh
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zstyle ':prezto:module:tmux:auto-start' local 'yes'
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```
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To enable this feature when launching Zsh in a SSH connection, add the
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following line to *zpreztorc*:
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```sh
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zstyle ':prezto:module:tmux:auto-start' remote 'yes'
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```
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In both cases, it will create a background session named _prezto_ if the tmux
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server is not started.
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You can change the default session name with:
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```sh
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zstyle ':prezto:module:tmux:session' name '<YOUR DEFAULT SESSION NAME>'
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```
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A session name may also be specified in an environment variable before ZSH runs.
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```sh
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env tmux_session='<SESSION NAME>' zsh
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```
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This can be useful for example to connect to a specific remote session
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connecting via SSH (note that OpenSSH needs to be configured to pass on that
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environment variable). It can also be used with window managers to set keybindings
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that launch terminals with specific sessions.
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With `auto-start` enabled, you may want to control how multiple sessions are
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managed. The `destroy-unattached` option of tmux controls if the unattached
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sessions must be kept alive, making sessions available for later use, configured
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in *tmux.conf*:
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```conf
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set-option -g destroy-unattached [on | off]
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```
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#### iTerm2 Integration
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[iTerm2][6] offers significant integration with tmux. This can be enabled by
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adding the following line to *zpreztorc*:
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```sh
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zstyle ':prezto:module:tmux:iterm' integrate 'yes'
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```
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Read [iTerm2 and tmux Integration][7] for more information.
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Aliases
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-------
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- `tmuxa` attaches or switches to a tmux session.
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- `tmuxl` lists sessions managed by the tmux server.
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Caveats
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-------
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On macOS, launching tmux can cause the error **launch_msg(...): Socket is not
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connected** to be displayed, which can be fixed by installing
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[reattach-to-user-namespace][3], available in [Homebrew][4], and adding the
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following to *tmux.conf*:
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```conf
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set-option -g default-command "reattach-to-user-namespace -l $SHELL -l"
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```
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Furthermore, tmux is known to cause **kernel panics** on macOS. A discussion
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about this and Prezto has already been [opened][2].
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Authors
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-------
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*The authors of this module should be contacted via the [issue tracker][5].*
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- [Sorin Ionescu](https://github.com/sorin-ionescu)
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- [Colin Hebert](https://github.com/ColinHebert)
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- [Georges Discry](https://github.com/gdiscry)
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- [Xavier Cambar](https://github.com/xcambar)
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[1]: http://tmux.sourceforge.net
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[2]: https://github.com/sorin-ionescu/prezto/issues/62
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[3]: https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
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[4]: https://github.com/mxcl/homebrew
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[5]: https://github.com/sorin-ionescu/prezto/issues
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[6]: http://iterm2.com
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[7]: https://gitlab.com/gnachman/iterm2/wikis/TmuxIntegration
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