First of all you must have easy_install python module : cf. get-easyinstall-python-module

Install closure linter :

cd /tmp
sudo easy_install http://closure-linter.googlecode.com/files/closure_linter-latest.tar.gz

Downloading http://closure-linter.googlecode.com/files/closure_linter-latest.tar.gz Processing closure_linter-latest.tar.gz Writing /tmp/easy_install-Xt6LOk/closure_linter-2.3.11/setup.cfg Running closure_linter-2.3.11/setup.py -q bdist_egg --dist-dir /tmp/easy_install-Xt6LOk/closure_linter-2.3.11/egg-dist-tmp-w7sS6l zip_safe flag not set; analyzing archive contents... Adding closure-linter 2.3.11 to easy-install.pth file Installing fixjsstyle script to /usr/local/bin Installing gjslint script to /usr/local/bin Installed /usr/local/lib/python2.7/dist-packages/closure_linter-2.3.11-py2.7.egg Processing dependencies for closure-linter==2.3.11 Searching for python-gflags Reading https://pypi.python.org/simple/python-gflags/ Reading http://code.google.com/p/python-gflags Best match: python-gflags 2.0 Downloading https://pypi.python.org/packages/source/p/python-gflags/python-gflags-2.0.tar.gz#md5=23c9a793959a54971b1f094b0c6d03b1 Processing python-gflags-2.0.tar.gz Writing /tmp/easy_install-SlgYwJ/python-gflags-2.0/setup.cfg Running python-gflags-2.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-SlgYwJ/python-gflags-2.0/egg-dist-tmp-kTyloa zip_safe flag not set; analyzing archive contents... Adding python-gflags 2.0 to easy-install.pth file Installed /usr/local/lib/python2.7/dist-packages/python_gflags-2.0-py2.7.egg Finished processing dependencies for closure-linter==2.3.11

Once finished you can use closure linter as following :

Analyse one js script file :

gjslint path/to/my/file.js

Analyse entire directory :

gjslint -r path/to/my/directory

more details here : https://developers.google.com/closure/utilities/docs/linter_howto