centos7 设置内核启动顺序

1、查看设备上安装了几个内核

cat /boot/grub2/grub.cfg |grep menuentry

 

 

 

2、查看当前内核

grub2-editenv list

saved_entry=CentOS Linux (4.9.137-1.el7.x86_64) 7 (Core)

3、修改默认启动的内核

grub2-set-default 'CentOS Linux (3.10.0-957.el7.x86_64) 7 (Core)'

转载于:https://www.cnblogs.com/zhangzhide/p/11064859.html