ubuntu清除多余内核

1.查看系统内存在的内核版本列表:
sudo dpkg –get-selections |grep linux
libselinux1 install
linux-firmware install
linux-generic install
linux-headers-3.2.0-79 install
linux-headers-3.2.0-79-generic install
linux-headers-3.2.0-80 install
linux-headers-3.2.0-80-generic install
linux-headers-generic install
linux-image-3.2.0-79-generic install
linux-image-3.2.0-80-generic install
linux-image-generic install
linux-libc-dev install
linux-sound-base install
pptp-linux install
syslinux install
syslinux-common install
syslinux-legacy install
util-linux install

2.查看当前Ubuntu系统使用的内核版本
uname -r
3.2.0-80-generic

3.删除多余内核:
sudo apt-get purge linux-headers-3.2.0-79-generic linux-image-3.2.0-79-generic

更新grub:
sudo update-grub
再次查看一下内核列表

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