unusual response to sudo yum update

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http://www.linuxquestions.org – Yesterday, I ran some commands to restore permissions of my files on my Centos 6.5, 64 bit system. I had mistakenly typed chmod -R +w 777. So I needed to restore permissions or reinstall the system. It seemed to work. The commands can be found here. http://www.adminlinux.org/2009/07/ho...lt-system.html I got through it and ran both lines of commands. It works, I am not sure how, but it works. Now when I came in the morning and typed Code: sudo yum update sudo:effective uid is not 0, is sudo installed setuid root? I am wondering how to fix this. Any help appreciated. Thanks in advan (HowTos)