centos7 更新内核

vim /etc/yum.repos.d/elrepo.repo

[elrepo]

name=ELRepo.org Community Enterprise Linux Repository – el7

baseurl=https://mirrors.ustc.edu.cn/elrepo/elrepo/el7/$basearch/

enabled=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org

protect=0

 

[elrepo-testing]

name=ELRepo.org Community Enterprise Linux Testing Repository – el7

baseurl=https://mirrors.ustc.edu.cn/elrepo/testing/el7/$basearch/

enabled=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org

protect=0

 

[elrepo-kernel]

name=ELRepo.org Community Enterprise Linux Kernel Repository – el7

baseurl=https://mirrors.ustc.edu.cn/elrepo/kernel/el7/$basearch/

enabled=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org

protect=0

 

[elrepo-extras]

name=ELRepo.org Community Enterprise Linux Extras Repository – el7

baseurl=https://mirrors.ustc.edu.cn/elrepo/extras/el7/$basearch/

enabled=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org

protect=0

EOF

 

 yum -y install kernel-ml