Anolis龙蜥升级kernel

使用grubby查看已存在kernel

$ grubby --info=ALL | grep ^kernel
kernel="/boot/vmlinuz-4.18.0-193.60.2.an8_2.x86_64"
kernel="/boot/vmlinuz-0-rescue-9debcaef38144ef88888c15d6c3d090f"

查看默认kernel

$ grubby --default-kernel
/boot/vmlinuz-4.18.0-193.60.2.an8_2.x86_64

获取kernel 二进制安装包

 # kernel包链接 https://www.yuque.com/anolis-docs/product-policy/kernel-lifecycle
 $ wget https://mirrors.openanolis.cn/anolis/8.4/Plus/x86_64/os/Packages/kernel-4.19.91-23.4.an8.x86_64.rpm
 $ wget https://mirrors.openanolis.cn/anolis/8.4/Plus/x86_64/os/Packages/kernel-core-4.19.91-23.4.an8.x86_64.rpm
 $ wget https://mirrors.openanolis.cn/anolis/8.4/Plus/x86_64/os/Packages/kernel-modules-4.19.91-23.4.an8.x86_64.rpm

安装kernel

## 安装kernel 需要先安装同版本的kernel-core和kernel-modules
# 两个依赖没有安装顺序
rpm -ivh kernel-core-4.19.91-23.4.an8.x86_64.rpm 
rpm -ivh kernel-modules-4.19.91-23.4.an8.x86_64.rpm 
rpm -ivh kernel-4.19.91-23.4.an8.x86_64.rpm 

设置默认kernel

$ grubby --info=ALL |grep ^kernel # 查看已存在的kernel
kernel="/boot/vmlinuz-4.19.91-23.4.an8.x86_64"
kernel="/boot/vmlinuz-4.18.0-193.60.2.an8_2.x86_64"
kernel="/boot/vmlinuz-0-rescue-9debcaef38144ef88888c15d6c3d090f"

$ grubby --set-default=/boot/vmlinuz-4.19.91-23.4.an8.x86_64 # 设置默认kernel

## 重新启动并查看内核
$ grubby --default-kernel
/boot/vmlinuz-4.19.91-23.4.an8.x86_64