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清理

$ make distclean
  CLEAN   scripts/basic
  CLEAN   scripts/kconfig
  CLEAN   include/config include/generated

复制配置文件（自己配置可以省略此步骤）

$ cp /boot/config-$current_version-general ./.config

生成配置文件

$ make menuconfig
  HOSTCC  scripts/basic/fixdep
  HOSTCC  scripts/basic/docproc
  HOSTCC  scripts/kconfig/conf.o
  HOSTCC  scripts/kconfig/kxgettext.o
 *** Unable to find the ncurses libraries or the
 *** required header files.
 *** 'make menuconfig' requires the ncurses libraries.
 *** 
 *** Install ncurses (ncurses-devel) and try again.
 *** 
make[1]: *** [scripts/kconfig/dochecklxdialog] Error 1
make: *** [menuconfig] Error 2

Aho! 遇到错误，我们缺少 ncurses-dev这个包：

$ sudo apt-get update
$ sudo apt-get install ncurses-dev

再来一次：

$ make menuconfig
  HOSTCC  scripts/kconfig/conf.o
  HOSTCC  scripts/kconfig/kxgettext.o
  HOSTCC  scripts/kconfig/lxdialog/checklist.o
  HOSTCC  scripts/kconfig/lxdialog/inputbox.o
  HOSTCC  scripts/kconfig/lxdialog/menubox.o
  HOSTCC  scripts/kconfig/lxdialog/textbox.o
  HOSTCC  scripts/kconfig/lxdialog/util.o
  HOSTCC  scripts/kconfig/lxdialog/yesno.o
  HOSTCC  scripts/kconfig/mconf.o
  SHIPPED scripts/kconfig/zconf.tab.c
  SHIPPED scripts/kconfig/lex.zconf.c
  SHIPPED scripts/kconfig/zconf.hash.c
  HOSTCC  scripts/kconfig/zconf.tab.o
  HOSTLD  scripts/kconfig/mconf
scripts/kconfig/mconf Kconfig
#
# using defaults found in /boot/config-2.6.32-28-generic
#
/boot/config-2.6.32-28-generic:557:warning: symbol value 'm' invalid for PCCARD_NONSTATIC
/boot/config-2.6.32-28-generic:3033:warning: symbol value 'm' invalid for MFD_WM831X
/boot/config-2.6.32-28-generic:3034:warning: symbol value 'm' invalid for MFD_WM8350
/boot/config-2.6.32-28-generic:3035:warning: symbol value 'm' invalid for MFD_WM8350_I2C
/boot/config-2.6.32-28-generic:3040:warning: symbol value 'm' invalid for AB3100_CORE
/boot/config-2.6.32-28-generic:3510:warning: symbol value 'm' invalid for FB_VESA
/boot/config-2.6.32-28-generic:4179:warning: symbol value 'm' invalid for MMC_RICOH_MMC
/boot/config-2.6.32-28-generic:4203:warning: symbol value 'm' invalid for LEDS_CLASS
/boot/config-2.6.32-28-generic:4480:warning: symbol value 'm' invalid for RAR_REGISTER

成功了，看看有啥要改的，没有直接退出保存即可。

编译内核

$ make bzImage [V=1]
... # 这里要很长时间，中间编译的过程略去了
Root device is (8, 8)
Setup is 14620 bytes (padded to 14848 bytes).
System is 4090 kB
CRC 2705ad73
Kernel: arch/x86/boot/bzImage is ready  (#1) #告诉你编译后的内核镜像在哪里

编译、安装模块

$ make modules 
... # 这里要很长时间，中间编译的过程略去了
$ sudo make modules_install # 将模块相关的文件复制到/lib/modules/目录下的$version目录

生成ramdisk

$ mkinitrd initrd-$version $version

注释：$version 一定要是/lib/modules/下存在的目录名
如果机器上没有mkinitrd这条命令，你试试mkinitramfs：

$ mkinitramfs -o initrd-2.6.37.2

安装内核

$ sudo cp arch/x86/boot/bzImage /boot/vmlinuz-2.6.37.2
$ sudo cp initrd-2.6.37.2 /boot/
$ sudo update-grub
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.37.2
Found initrd image: /boot/initrd-2.6.37.2
done

好啦，安装完毕，重启试试看新内核吧！！

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