tmux.conf

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

# reload config file
bind r source-file ~/.tmux.conf

# split panes using | and -
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

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

# status bar
#set -g status-bg colour153
set -g status-bg white
#set -g status-fg colour6
set -g status-fg black
# pane
set -g pane-active-border-style fg=colour153,bg=default
# current window
setw -g window-status-current-style fg=white,bold,bg=blue

# vi like 
set -g mode-keys vi
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi y send-keys -X copy-selection
bind-key -T copy-mode-vi r send-keys -X rectangle-toggle

# mouse
set -g mouse on

# copy to system clipboard
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'xclip -in -selection clipboard'