Centos7的預設內核太低階了,可以升級一下
最新內核地址:https://cdn.kernel.org
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
yum install https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
yum --enablerepo=elrepo-kernel install kernel-ml
awk -F\' '$1=="menuentry " {print $2}' /etc/grub2.cfg
grub2-set-default 0
reboot
uname -r 檢視當前內核版本
rpm -q kernel 檢視系統中所有的內核
yum remove kernel-3.10.0-957.1.3.el7.x86_64
reboot