1、下载内核
[root@ubuntu:source]# apt-cache search linux-source
linux-source - Linux kernel source with Ubuntu patches
linux-source-3.13.0 - Linux kernel source for version 3.13.0 with Ubuntu patches
[root@ubuntu:source]# apt-get install linux-source
源码路径：/usr/src/linux-source-3.13.0
2、编译内核
make menuconfig
make -j8
make modules_install
make install
3、开机grub菜单
/etc/default/grub
GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
更新grub
update-grub
reboot 就可以在grub菜单选择新编译的内核启动
4、卸载内核
删除如下文件
rm -rf /lib/modules/2.6.34
rm /boot/*2.6.34*
rm /var/lib/initramfs-tools/2.6.34
updata-grub
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