Trying to install Cython on a small VPS running Ubuntu Server. Did sudo apt-get install gcc and then python setup.py install In the Cython directory, but I get this peculiar error. running install running build running build_py running build_ext building 'Cython.Plex.Scanners' extension gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.6 -c Cython/Plex/Scanners.c -o build/temp.linux-x86_64-2.6/Cython/Plex/Scanners.o Cython/Plex/Scanners.c:4:20: error: Python.h: No such file or directory Cython/Plex/Scanners.c:6:6: error: #error Python headers needed to compile C extensions, please install development version of Python. error: command 'gcc' failed with exit status 1 Why should I need a 'development version of Python'? Running Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41). Thanks! Continue reading...