Как обновить Centos

yum clean all
yum update glibc\*
yum update yum\* rpm\* pyth\*
yum clean all
yum update mkinitrd nash
yum update selinux\*
yum update
shutdown -r now

yum clean all
yum update glibc\* -y
yum update yum\* rpm\* pyth\* -y
yum clean all
yum update mkinitrd nash -y
yum update selinux\* -y
yum update -y
shutdown -r now