当意外更新了Ubuntu内核后,可能会导致掉网卡驱动、显卡驱动等,此时需要将内核回退到上一版本,具体操作如下:
1、开启linux的grub菜单,选择内核
找到/ect/default/grub文件,sudo权限编辑,将
GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=0
修改为
GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=menu
GRUB_TIMEOUT=10
更新grub
sudo update-grub
重启电脑即可进入到grub菜单,在菜单中选择 Advanced options for Ubuntu,选择旧版本的内核,选择无括号的那一栏,点击进入到系统。
2、查看已安装的内核版本,并删除
①查看内核版本
sudo dpkg --get-selections |grep linux
结果
binutils-x86-64-linux-gnu install
console-setup-linux install
libselinux1:amd64 install
linux-base install
linux-firmware install
linux-headers-5.13.0-41-generic install
linux-hwe-5.13-headers-5.13.0-41 install
linux-hwe-5.13-headers-5.13.0-44 install
linux-image-5.13.0-37-generic deinstall
linux-image-5.13.0-39-generic deinstall
linux-image-5.13.0-40-generic deinstall
linux-image-5.13.0-41-generic install
linux-image-5.13.0-51-generic install
linux-image-5.8.0-43-generic deinstall
linux-image-unsigned-5.13.0-51-generic deinstall
linux-libc-dev:amd64 install
linux-modules-5.13.0-37-generic deinstall
linux-modules-5.13.0-39-generic deinstall
linux-modules-5.13.0-40-generic deinstall
linux-modules-5.13.0-41-generic install
linux-modules-5.13.0-51-generic deinstall
linux-modules-5.8.0-43-generic deinstall
linux-modules-extra-5.13.0-37-generic deinstall
linux-modules-extra-5.13.0-39-generic deinstall
linux-modules-extra-5.13.0-40-generic deinstall
linux-modules-extra-5.13.0-41-generic install
linux-modules-extra-5.8.0-43-generic deinstall
linux-modules-nvidia-460-5.8.0-43-generic deinstall
linux-modules-nvidia-470-5.13.0-37-generic deinstall
linux-modules-nvidia-470-5.13.0-39-generic deinstall
linux-modules-nvidia-470-5.13.0-40-generic deinstall
linux-modules-nvidia-470-5.13.0-41-generic install
linux-modules-nvidia-470-5.13.0-51-generic install
linux-objects-nvidia-470-5.13.0-37-generic deinstall
linux-objects-nvidia-470-5.13.0-39-generic deinstall
linux-objects-nvidia-470-5.13.0-40-generic deinstall
linux-objects-nvidia-470-5.13.0-41-generic install
linux-objects-nvidia-470-5.13.0-51-generic install
linux-signatures-nvidia-5.13.0-41-generic install
linux-sound-base install
linuxqq install
pptp-linux install
syslinux install
syslinux-common install
syslinux-legacy install
util-linux install
②查看当前内核版本
uname -a
③删除多余内核
sudo apt remove 多余的内核
多余的内核包括header、image、modules
④更新grub
sudo update-grub
⑤结束
将grub菜单修改回来,改为
GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=0