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Ubuntu删除多余内核

2018-12-03 20:45 出处:清屏网 人气: 评论(0

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
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