centos yum报错: [Errno -3] Error performing checksum

centos5.11后的yum源，5.11前的不支持

This directory (and version of CentOS) is depreciated.  

CentOS-5 is now past EOL

You can get the last released version of centos 5.11 here:

http://vault.centos.org/5.11/

Please NOTE:  this is not being maintained for security since moving to Vault.
It will have security issues, you should upgrade to a new version instead.


http://vault.centos.org/5.11/os/x86_64/repodata/

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