Subject: How to use Python 3 on the department servers. -------- 0. Connect to a server. 1. Open your .bashrc.custom. -bash-3.2$ vi ~/.bashrc.custom 2. Find the line setting PYTHONPATH and make sure it specifies the correct location. export PYTHONPATH=/usr/local/lib/python3.2:. 3. Delete the line setting PYTHONHOME, if your .bashrc.custom has it. 4. You can set an alias name for your convenience. alias python='python3.2'