tmux.conf

# Tmux v3.3a

# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# split panes using | and -
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %

set -g update-environment -r

# switch panes using Alt-arrow without prefix
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

# Start windows and panes at 1, not 0
set -g base-index 1

# style
set -g status-style fg=colour255,bg=colour235
set -g status-right "#[fg=white]#[bg=colour240]\[#(hostname -s)\] %d %b %R "

set -g window-status-style         bg=colour244,fg=black
set -g window-status-current-style bg=colour81,fg=black

set -g window-status-format ' #I:#(pwd="#{pane_current_path}"; echo ${pwd####*/})#F '
set -g window-status-current-format ' #I:#(pwd="#{pane_current_path}"; echo ${pwd####*/})#F '

set -gwF pane-active-border-style fg=colour81,bg=black
set -gwF pane-border-style fg=colour244,bg=black

# status bar updates every 15s by default
set -g status-interval 5

set -g default-terminal "tmux-256color"