My Preferred tmux configuration

tmux.conf

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

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

# Automatically set window title
set-window-option -g automatic-rename on
set-option -g set-titles on

# Mouse
set -g mouse on

# Send Prefix
set-option -g prefix 'C-\'
unbind-key 'C-\'
bind-key 'C-\' send-prefix

# Window activity monitor
setw -g monitor-activity on
set -g visual-activity on

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

# Use Alt-arrow keys without prefix key 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

# Allow the arrow key to be used immediately after changing windows.
set-option -g repeat-time 0

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

# Theme
set -g window-status-current-bg green
set -g window-status-current-fg black
set -g window-status-current-attr bold
set-option -g message-bg colour237
set-option -g message-fg colour231
set-option -g pane-border-fg green
set-option -g pane-active-border-fg green

# Status Bar
set -g status-justify centre
set -g status-bg black
set -g status-fg white
set -g status-interval 60
set -g status-left-length 30
set -g status-left '#[fg=green][#S] #(whoami)@#H'
set -g status-right '#[fg=green]#(cut -d " " -f 1-3 /proc/loadavg)#[default]  #[fg=green]%H:%M'

# Copy Paste
bind P paste-buffer
bind-key -t vi-copy 'v' begin-selection
bind-key -t vi-copy 'y' copy-selection
bind-key -t vi-copy 'r' rectangle-toggle