[CENTOS] I get an error with all yum commands

-Server information CentOS release 6.8 (Final) Python 2.7.2

From the time the SSL environment is set up on the server, the following error appears in all commands with yum.

There are many solutions to similar errors on the net, but none of them solves the problem.


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

/usr/lib64/python2.6/site-packages/pycurl.so: undefined symbol: CRYPTO_set_locking_callback

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: 2.6.6 (r266:84292, Jul 23 2015, 15:22:56) [GCC 4.4.7 20120313 (Red Hat 4.4.7-11)]

If you cannot solve this problem yourself, please go to the yum faq at: http://yum.baseurl.org/wiki/Faq


The current version of Python and the version of Python written in the error are different, but the same error occurred even with Python 2.6.6 installed. It doesn't improve anything, so I've "tried" the Python version.

I am a complete beginner for the first time to be involved in my Linux OS. Please help me.

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