.tmux.conf

# Send prefix
set-option -g prefix C-a
unbind-key C-a
bind-key C-a send-prefix

# Use Alt-arrow keys to switch panes
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

# Shift arrow to switch windows
bind -n S-Left previous-window
bind -n S-Right next-window

# Mouse mode
setw -g mouse on

# Set easier window split keys
bind-key | split-window -h
bind-key - split-window -v

# Easy config reload
bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded."

# Ctrl + a a - move to beginning of line.
bind a send-prefix

# show host name and IP address on left side of status bar
set -g status-left-length 70
set -g status-left "#[fg=red]tun0: #(ip addr show dev tun0 | grep "inet[^6]" | awk '{print $2}' | awk -F/ '{print $1}') | "

# set a higher history limit (2000 is default i think)
set-option -g history-limit 4000