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tmux

Topics: Linux Shell

tmux is a terminal multiplexer that allows to manage sessions with multiple shell windows.

Keybinds

This section lists important default keybindings.

  • Copy mode: <leader>[
  • Split vertically: <leader>%
  • Split horizontally: <leader>"

Layout

  • <leader> Ctrl+o: Toggle through layouts
  • <leader> M-1: Switch to layout 1 (layout 2, 3, 4 analogous)

Sharing tmux sessions

See tmate.

vi copy mode

bind-key -T edit-mode-vi Up send-keys -X history-up
bind-key -T edit-mode-vi Down send-keys -X history-down
unbind-key -T copy-mode-vi Space     ;   bind-key -T copy-mode-vi v send-keys -X begin-selection
unbind-key -T copy-mode-vi Enter     ;   bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel “reattach-to-user-namespace pbcopy”
unbind-key -T copy-mode-vi C-v       ;   bind-key -T copy-mode-vi C-v send-keys -X rectangle-toggle
unbind-key -T copy-mode-vi [         ;   bind-key -T copy-mode-vi [ send-keys -X begin-selection
unbind-key -T copy-mode-vi ]         ;   bind-key -T copy-mode-vi ] send-keys -X copy-selection

SSH directly into tmux

if [[ -n "$SSH_TTY" ]]; then
  export TMPDIR=$HOME/tmp
  sname="ssh-$(hostname | cut -d. -f1)"
  if [[ -z "$TMUX" ]] && [ "$SSH_CONNECTION" != "" ]; then
    exec tmux new-session -A -s $sname
  fi
fi

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