原文地址：http://www.tecmint.com/powerline-adds-powerful-statuslines-and-prompts-to-vim-and-bash/

Step 1: Installing Generic Requirements for Powerline

# sudo apt-get install python-pip

Step 2: Installing Powerline Tool in Linux

#sudo apt-get install git
#sudo pip install git+git://github.com/Lokaltog/powerline

Step 3: Installing Powerline Fonts in Linux

#sudo wget https://github.com/powerline/powerline/raw/develop/font/PowerlineSymbols.otf
#sudo wget https://github.com/powerline/powerline/raw/develop/font/10-powerline-symbols.conf
#sudo mv PowerlineSymbols.otf /usr/share/fonts/
#sudo fc-cache -vf /usr/share/fonts/
#sudo mv 10-powerline-symbols.conf /etc/fonts/conf.d

Step 4: Setting Powerline for Bash Shell and Vim Statuslines

In this section we shall look at configuring Powerline for bash shell and vim editor. First make your terminal to support 256color by adding the following line to ~/.bashrc file as follows.

export TERM=screen-256color

Enable Powerline on Bash Shell

To enable Powerline in bash shell by default, you need to add the following snippet to your ~/.bashrc file.
First get the location of installed powerline using following command.
#sudo pip show powerline-status

Once you know the actual location of powerline, make sure to replace the location in the below line as per your system suggested.

powerline-daemon -q
POWERLINE_BASH_CONTINUATION=1POWERLINE_BASH_SELECT=1
. /usr/local/lib/python2.7/dist-packages/powerline/bindings/bash/powerline.sh

Enable Powerline for Vim

If vim is your favorite editor, luckily there is a powerful plugin for vim, too. To enable this plugin, add these lines to ~/.vimrc file.

set  rtp+=/usr/local/lib/python2.7/dist-packages/powerline/bindings/vim/
set laststatus=2
set t_Co=256