_tmux.conf

 #Copy/paste trick
set-option -g default-command "sh ~/.tmux/tmux_default_command.sh"

# use vi mode
setw -g mode-keys vi

# remap prefix to Control + a
set -g prefix C-a
unbind C-b
bind C-a send-prefix

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf

# quick pane cycling with Ctrl-a
unbind ^A
bind ^A select-pane -t :.+

# move around panes like in vim (only in tmux 1.6)
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
bind h select-pane -L

# splits
unbind %
bind | split-window -h
bind - split-window -v

# Resize panes
unbind M-Up
unbind M-Down
bind C-k resize-pane -U 5
bind C-j resize-pane -D 5
bind C-h resize-pane -L 5
bind C-l resize-pane -R 5

# Monitor activity.
setw -g monitor-activity on
set -g visual-activity on

# Start counting from 1
set -g base-index 1
set -g pane-base-index 1

# Sane scrolling
set -g mouse off

# You might uncomment the lines below to have a different behavior
#set -g mouse off
#set -g mouse select-pane on
#set -g mouse resize-pane on
#set -g mouse select-window on

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

set -g allow-rename no

#Powerline-line statusline
set -g status-left-length 32
set -g status-right-length 150

set -g status-fg white
set -g status-bg colour234
set -g window-status-activity-style bold
set -g pane-border-style fg=colour245
set -g pane-active-border-style fg=colour39
set -g message-style fg=colour16
set -g message-style bg=colour221
set -g message-style bold


#set -g status-left '#[fg=colour235,bg=colour252,bold] ❐ #S #[fg=colour252,bg=colour234,bold]⮀'
#set -g window-status-format "#[fg=white,bg=colour234] #I #W "
#set -g window-status-current-format "#[fg=colour234,bg=colour39]⮀#[fg=colour25,bg=colour39,noreverse,bold] #I ⮁ #W #[fg=colour39,bg=colour234,nobold]⮀"

#set -g status-right '#[fg=white]#(hostname)@#(host `hostname` | cut -d " " -f 4)'

# Adjust this path to where powerline.conf is in your OS
source "/usr/share/powerline/bindings/tmux/powerline.conf"