Ubuntu内核降级&修改默认启动内核【绝对管用】

内核降级

https://blog.csdn.net/samsarange/article/details/104277153

https://blog.csdn.net/u013431916/article/details/82530523

修改默认内核启动

1】查看内核列表

sudo dpkg --get-selections |grep linux-image

2】sudo gedit /etc/default/grub

把

GRUB_DEFAULT=0

修改为

GRUB_DEFAULT="Ubuntu 高级选项>Ubuntu，Linux 4.4.0-75-generic"

3】sudo update-grub

参考：
https://blog.csdn.net/u011304615/article/details/70919711

https://blog.csdn.net/bby1987/article/details/104264285

https://blog.csdn.net/Therock_of_lty/article/details/105416680

https://www.cnblogs.com/boyzgw/p/6227430.html