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Editor to share with you CentOS 7 upgrade Python to 3.6.6 yum error how to do, I believe that most people do not know much, so share this article for your reference, I hope you will learn a lot after reading this article, let's go to know it!

Recently, the operating system of a test server was upgraded to Cent0S 7.5, and then Python was also upgraded from 2.7.5 to Python 3.6.6. After the upgrade, an exception was found when yum installed related packages and reported an error such as "File" / usr/libexec/urlgrabber-ext-down ", line 28". The specific error messages are as follows:

# yum install openssl

..

Total download size: 1.7 M

Is this ok [y/d/N]: y

Downloading packages:

Delta RPMs disabled because / usr/bin/applydeltarpm not installed.

File "/ usr/libexec/urlgrabber-ext-down", line 28

Except OSError, e:

^

SyntaxError: invalid syntax

File "/ usr/libexec/urlgrabber-ext-down", line 28

Except OSError, e:

^

SyntaxError: invalid syntax

After testing and verification, this problem can be solved in the following way:

Modify Python version information in / usr/libexec/urlgrabber-ext-down

Vi / usr/libexec/urlgrabber-ext-down change / usr/bin/python to / usr/bin/python2.7.

These are all the contents of this article entitled "what to do if yum goes wrong after CentOS 7 upgrades Python to 3.6.6?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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