my localhost tmux.conf

.tmux.conf

#set -g prefix C-x
#unbind C-b
#bind-key C-x send-prefix

set-option -g status-keys vi
set-window-option -g mode-keys vi
setw -g mode-mouse on

set -g mouse-resize-pane on
set -g mouse-select-pane on
set -g mouse-select-window on

set -g status-position top 
set -g status-bg white
setw -g window-status-current-attr bright

#set -g pane-active-border-fg green
#set -g  pane-border-fg white

bind-key j select-pane -D #below
bind-key h select-pane -L #left
bind-key l select-pane -R #right
bind-key k select-pane -U #above

bind-key x kill-server

If you want to copy something from tmux to somewhere out of tmux, hold down the shift key!