upgrade ubuntu kernel

1、download kernel from "https://www.kernel.org/pub/linux/kernel/v3.x/"

2、mv to /usr/src/,then tar with order "tar -xvf linux-3.***.tar.gz"

3、switch to source code dir,run by root

4、run "sudo apt-get install libncurses-dev" to install lib files while next step need.

5、run "make menuconfig",choose config,then generate .config file

6、run "make" .may take 1-2 hours

7、run "make modules"

8、run "make modules_install"

9、run "make install" .install kernel

10、reboot pc,choose new kernel,done!