Ubuntu删除多余内核的方法

第一步:查看当前内核

  rew $ uname -a  Linux rew 4.15.0-42-generic #45~16.04.1-Ubuntu SMP Mon Nov 19 13:02:27 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

当前使用版本为: 4.15.0-42-generic

第二步:查看所有内核

  rew $ dpkg --get-selections | grep linux  console-setup-linux           install  libselinux1:amd64            install  libselinux1:i386            install  linux-base               install  linux-firmware             install  linux-generic-hwe-16.04         install  linux-headers-4.15.0-42         install  linux-headers-4.15.0-39         install  linux-headers-4.15.0-39-generic     install  linux-headers-4.15.0-42-generic     install  linux-headers-generic-hwe-16.04     install  linux-image-4.15.0-39-generic      install  linux-image-4.15.0-42-generic      install  linux-image-generic-hwe-16.04      install  linux-libc-dev:amd64          install  linux-libc-dev:i386           install  linux-modules-4.15.0-39-generic     install  linux-modules-4.15.0-42-generic     install  linux-modules-extra-4.15.0-39-generic  install  linux-modules-extra-4.15.0-42-generic  install  linux-sound-base            install  pptp-linux               install  syslinux                install  syslinux-common             install  syslinux-legacy             install  util-linux               install  

第三步:移除冗余内核

所有 39 版本的对我来说都是多余的,进行删除:

  rew $ sudo apt-get remove   linux-headers-4.15.0-39   linux-headers-4.15.0-39-generic   linux-image-4.15.0-39-generic   linux-modules-4.15.0-39-generic   linux-modules-extra-4.15.0-39-generic  

卸载后重新检查:

  rew $ dpkg --get-selections | grep linux  console-setup-linux           install  libselinux1:amd64            install  libselinux1:i386            install  linux-base               install  linux-firmware             install  linux-generic-hwe-16.04         install  linux-headers-4.15.0-42         install  linux-headers-4.15.0-42-generic     install  linux-headers-generic-hwe-16.04     install  linux-image-4.15.0-39-generic      deinstall  linux-image-4.15.0-42-generic      install  linux-image-generic-hwe-16.04      install  linux-libc-dev:amd64          install  linux-libc-dev:i386           install  linux-modules-4.15.0-39-generic     deinstall  linux-modules-4.15.0-42-generic     install  linux-modules-extra-4.15.0-39-generic  deinstall  linux-modules-extra-4.15.0-42-generic  install  linux-sound-base            install  pptp-linux               install  syslinux                install  syslinux-common             install  syslinux-legacy             install  util-linux               install  

状态为 deinstall 即已经卸载,如果觉得看着不舒服的话可以使用 purge 连配置文件里一起彻底删除,清理内核列表

  rew $ sudo apt-get purge   linux-headers-4.15.0-39   linux-headers-4.15.0-39-generic   linux-image-4.15.0-39-generic   linux-modules-4.15.0-39-generic   linux-modules-extra-4.15.0-39-generic

第四步:更新系统引导

删除内核后需要更新 grub 移除失效的启动项

  rew $ sudo update-grub #根据情况选择grub/grub2

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。

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