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Installation
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define environment variables EPICS, HOST_ARCH, EPICS_HOST_ARCH

e.g.

export EPICS=<your_pathname_to_base>
export HOST_ARCH=Linux
export EPICS_HOST_ARCH=linux-x86_64
export EPICS=/opt/epics


- distutil style:
sudo python setup.py install

- rpm style:
python setup.py bdist_rpm
sudo yum install -y dist/python-ca-*.`uname -m`.rpm