3.刪舊核心(不刪也行,用grub調整), 我是直接刪
dpkg -l|grep linux-image
這邊注意一下, 應該會至少有3個, 除了4.9剛裝的以外, 大概會有以下兩組,全看你原本用啥核心
root@localhost:~# dpkg -l|grep linux-image
ii linux-image-3.16.0-4-amd64 3.16.36-1+deb8u1 amd64 Linux 3.16 for 64-bit PCs
ii linux-image-4.9.0-040900-generic 4.9.0-040900.201612111631 amd64 Linux kernel image for version 4.9.0 on 64 bit x86 SMP
ii linux-image-amd64 3.16+63 amd64 Linux for 64-bit PCs (meta-package)
root@localhost:~#
3-1.我刪, Do you want to continue? [Y/n] y
apt-get remove linux-image-amd64 linux-image-3.16.0-4-amd64