1、CentOS 7 更新 USTC 的源
sudo sed -i.bak \
-e 's|^mirrorlist=|#mirrorlist=|g' \
-e 's|^#baseurl=http://mirror.centos.org/centos|baseurl=https://mirrors.ustc.edu.cn/centos-vault/centos|g' \
/etc/yum.repos.d/CentOS-Base.repo
2、安装 wget
yum install -y wget
3、下载并安装最新的 CentOS 适用的 Linux 内核
## 访问 https://linux.cc.iitk.ac.in/mirror/centos/elrepo/kernel/el7/x86_64/RPMS/ 查看支持版本列表
wget https://linux.cc.iitk.ac.in/mirror/centos/elrepo/kernel/el7/x86_64/RPMS/kernel-ml-6.9.7-1.el7.elrepo.x86_64.rpm
yum localinstall kernel-ml-6.9.7-1.el7.elrepo.x86_64.rpm
reboot标签：kernel,06,CentOS,centos,30,elrepo,64,x86 From： https://www.cnblogs.com/doracloud/p/18358300