yum --nogpgcheck install package.name
or
yum --nogpgcheck install path to the package.name.rpm
VBOX
yum install binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel dkms
## PAE kernel users install ##
yum install binutils gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-PAE-devel dkms
cat /etc/issue查看发行版本,uname -a看内核