Troubleshooting

Installation issues

Follow the Installation instructions on to install naarad and its necessary prerequisites. We have found that the steps below should help address most issues encountered during installation of dependencies, specially matplotlib.

• OS dependencies

sudo yum install gcc gcc-c++ python-devel freetype-devel libpng-devel libxml2-devel libxslt-devel

• Ensure setuptools/distribute are up to date.

As sudo/root,
easy_install -U distribute
easy_install -U setuptools
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade distribute
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade setuptools

• Python dependencies for Naarad

As sudo/root,
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade pyparsing
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade numpy
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade matplotlib
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade lxml
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade pygal
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade argparse
pip install --proxy PROXY_HOST:PROXY_PORT --upgrade pytz

• List versions of installed python dependencies for naarad. Versions should match or exceed whats listed below

pip list | grep -e numpy -e matplotlib -e pygal -e lxml -e argparse -e lxml -e pyparsing -e pytz
argparse (1.2.1)
pyparsing (2.0.1)
pytz (2013.8)
lxml (3.2.4)
pygal (1.2.0)
numpy (1.7.0)
matplotlib (1.3.1)