Set RedHat6.364 after installation

After RedHat6.364 is installed, add the current user to the management group echo & amp; #39; jedrekALL (ALL) ALL & amp; #39; & gt; modify/etc/sudoers to CentOS's yumrpm-aq | grepyum to view rhel's yumwww.2cto. com1PackageKit-yum-plugin-0.
RedHat6.3 after 64-bit installation, set to add the current user to the management group echo 'jedrek ALL = (ALL) ALL '>/etc/sudoers modify to CentOS yumrpm-aq | grep yum view rhel yum www.2cto.com uninstall these packages rpm-aq | grep yum | xargs rpm-e -- nodeps www.2cto.com is to be replaced with the CentOS Package. http://mirrors.163.com/centos/6.3/os/x86_64/Packages/ Find the corresponding package download, also rely on the yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm package, by the way also download down 1yum-rhn-plugin-0.9.1-40.el6.noarch // This package cannot be found, it seems to be unique to Red Hat, whether it is installed yumsudo rpm-ivh *. rpm downloads the CentOS repo file and first backs up the system's original repo file cd/etc/yum. repo. d sudo mv rhel-s ource. redis rhel-source.repo.bak sudo wget http://mirrors.163.com/.help/CentOS6-Base-163.repo The sudo gedit CentOS-Base-163.repo changes $ releasever in the url to 6.3 sudo yum makecache to generate the cache sudo yum update system