Linux-修改启动内核

grep menuentry /boot/grub/grub.cfg #查看有哪些启动项,每行要注意menuentry_id_option后面的内容

vim /etc/default/grub
GRUB_DEFAULT=$menuentry_id_option之后的内容>'Ubuntu高级选项$menuentry_id_option gnulinux-advanced-64b318d1-d51c-4042-8be4-cb134abd8948中括号里边$menuentry_id_option之后的内容