tmux.conf

# vi mode
set-window-option -g mode-keys vi

# set prefix to C-a
set-option -g prefix C-a

# window naming starts with 1
set -g base-index 1

# vi copy-paste mode
bind-key -T copy-mode-vi 'v' send-keys -X begin-selection
bind-key -T copy-mode-vi 'y' send-keys -X copy-selection-and-cancel
bind-key -T prefix       'p'              paste-buffer
bind-key -T prefix       'e'              copy-mode

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'christoomey/vim-tmux-navigator'

# automatic TPM installation
if "test ! -d ~/.tmux/plugins/tpm/tpm" \
    "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run -b '~/.tmux/plugins/tpm/tpm'