Difference between revisions of "Package:Tmux"

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Latest revision as of 10:48, January 25, 2015


Source Repository:Repository:Gentoo Portage Tree


Summary: Terminal multiplexer



Project Unfork Status

Here's an update on Project Unfork, plus other neat things.
2015-10-03 by Drobbins

IP Space Migration Continues

All Funtoo user containers in the 8.28 IP space will be moving into our new IP space (172.97) over the next few days. If you have DNS set up -- be sure to watch your container and update to the new IP! container.host.funtoo.org DNS will be updated after the move.
2015-08-27 by Drobbins

Funtoo Hosting IP Move

Funtoo user containers with IPs in the 72.18.x.x range will be gradually migrating to new IP addresses this week. If you have DNS entries for your containers, please be aware that your DNS will need to be updated.
2015-08-11 by Drobbins



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Tmux is a terminal multiplexer (just as screen, which is generally installed by default on servers). It enables you to run multiple terminals in one. You can arrange them in multiple tabs that you can split into multiple panes as well.


# emerge -a tmux

Getting Started

To launch Tmux, run tmux in a terminal. This should clear your current terminal and display a status bar on the bottom. In this status bar, you should see something like "[0] 0:bash*". This means you are on session 0 ([0]), window 0 (0:) and you run "bash".

Tmux uses Ctrl+b as default prefix. This means that before issuing any command you will have to hit Ctrl+b to tell tmux you are asking it. For instance, type Ctrl+b and then %. This should split vertically the window to add a new pane. Now issue Ctrl+b ", this will split the new pane horizontally to create a new pane. You can switch against panes with Ctrl+b Left/Up/Right/Down (Left/Up/Right/Down being the arrow keys).

Another cool stuff is windows. Splitting your window into panes is good, but for readability purpose, you can't indefinitely split your window. So you can open a new window (which would behave more like a tab) by issuing Ctrl+b c. Your current window will be replaced by a brand new one. However you will notice that your status bar now looks like this "[0] 0:bash- 1:bash*". The minus symbol (-) means this is the last visited window. The asterisk symbol (*) means this is the current window. You can add panes to this window as well. To go back to the first window, issue Ctrl+b 0. Generally speaking, issue Ctrl+b <window-id> to go to the window <window-id>.

You can do much more with tmux, but this is the minimum to know if you want to quickly get started.

Keyboard Shortcuts

! Shortcut Description
C-b ? List all keybindings
C-b : Enter tmux command prompt
C-b d Detach session
C-b c Create window
C-b n Switch to next window
C-b p Switch to previous window
C-b l Switch to last window
C-b " Split current pane into top and bottom
C-b % Split current pane into left and right
C-b o Move to next pane
C-b ; Move to previous pane
C-b [ Enter copy/scroll mode (type q to leave this mode)



Example tmux configuration shown below ~/.tmux.conf gets loaded on tmux startup.

~/.tmux.conf - tmux configuration
set -g base-index 1
set -g default-terminal "st-256color"
set -g history-limit 4096
set -g status-left ''
set -g status-right "#[bg=brightblack]#[fg=green] #T "
set -g status-style "bg=black"

setw -g pane-base-index 1
setw -g window-status-format "#[bg=magenta]#[fg=black] #I #[bg=brightblack]#[fg=green] #W "
setw -g window-status-current-format "#[bg=brightmagenta]#[fg=black] #I #[bg=green]#[fg=black] #W "

bind r source-file ~/.tmux.conf