1,首先yum update -y更新系统 2,更换内核至4.9 1 rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org 1 rpm -Uvh http://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm 1 yum --enablerepo=elrepo-kernel install kernel-ml -y vi /etc/grub.conf 把default=改成0 reboot …