On Mon, 4 Jul 2016, qw wrote: > centos 6.8 comes with python 2.6. But I want to use python 2.7 to build > gstreamer sdk. I have built python 2.7 and installed it into my custom > directory. How to set centos to use python 2.7 by default instead of python > 2.6? Don't. If you try to swap out the standard python with another one, expect almost everything you hold dear to break. jh