Upgrade CentOS 6.x to CentOS 6.4

Upgrade with yum update

Official way to do upgrade:

yum update

Official way to do update is first clean all, second update glibc, yum, rpm and python packages and then update other packages like following:

yum clean all yum update glibc* yum* rpm* python* yum update

Reboot

reboot

Check CentOS 6.4 (Final) release info and Check your entire system

cat /etc/redhat-release ## Output ## CentOS release 6.3 (Final)

Following needs redhat-lsb package

lsb_release -a ## Output ## LSB Version: :core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch Distributor ID: CentOS Description: CentOS release 6.4 (Final) Release: 6.4 Codename: Final