阿里云 centOS 7.2yum命令无法使用

yum无法安装东西 报一下错误




There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:


   /usr/lib64/python2.7/site-packages/pycurl.so: undefined symbol: CRYPTO_num_locks


Please install a package which provides this module, or
verify that the module is installed correctly.


It's possible that the above module doesn't match the
current version of Python, which is:
2.7.5 (default, Nov 20 2015, 02:00:19)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-4)]


If you cannot solve this problem yourself, please go to
the yum faq at:
  


看了博客说改配置改了就无法使了 请问有解决方法吗。买了这个服务器就无法使用yum