linux上python问题s

1、error: could not create '/usr/local/lib/python2.7/dist-packages/virtualenv_support': Permission denied
http://stackoverflow.com/questions/21093002/error-could-not-create-usr-local-lib-python2-7-dist-packages-virtualenv-suppo
安装numpy的时候出现的这个类似的问题，然后用

sudo pip install numpy解决

2、SystemError: Cannot compile 'Python.h'. Perhaps you need to install python-dev|python-devel.

在virtualenv虚拟环境中安装numpy时出现这个问题；

执行以下三步：

sudo apt-get update

sudo apt-get install python2.7-dev

然后：

sudo pip install numpy