Centos7升级内核

uname -r
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm
yum --enablerepo=elrepo-kernel install  kernel-ml-devel kernel-ml -y
grub2-set-default 0
reboot
uname -r

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