Linux kernel Task 03:How to patch for the Linux kernel

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I have been very busy recently,let's go on the task 03.How to patch for the Linux kernel.

This is Task 03 of the Eudyptula Challenge

------------------------------------------

Now that you have your custom kernel up and running, it's time to modify

it!

The tasks for this round are:

  - Take the kernel git tree from Task 02 and change the Makefile to

    modify the EXTRAVERSION field.  Do this in a way that the

    running kernel (after modifying the Makefile, rebuilding, and

    rebooting) has the characters "-eudyptula" in the version string.

  - Show proof of booting this kernel.  Extra cookies when you provide

    creative examples, especially if done in interpretive dance at your

    local pub.

  - Send a patch that shows the Makefile modified.  Do this in a manner

    that would be acceptable for merging in the kernel source tree.

    (Hint, read the file Documentation/SubmittingPatches and follow the

    steps there.)

[root@bogon linux]# uname -a
Linux bogon 3.15.0-rc4-00298-g9f1eb57 #1 SMP Wed May 7 21:30:42 PDT 2014 x86_64 x86_64 x86_64 GNU/Linux
[root@bogon ~]# cd /kernel/Task3/
[root@bogon Task3]# ls
linux
[root@bogon Task3]# cd linux/
[root@bogon linux]# cp Makefile Makefile.orig^C
[root@bogon linux]# cd ..
[root@bogon Task3]# diff -up linux/Makefile{.orig,} &amp;gt; /tmp/patch
[root@bogon Task3]# cat /tmp/patch 
--- linux/Makefile.orig 2014-05-22 06:19:41.842094049 -0700
+++ linux/Makefile      2014-05-22 06:21:08.616098040 -0700
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 15
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -eudyptula
 NAME = Shuffling Zombie Juror
 
 # *DOCUMENTATION*
[root@bogon Task3]# cd linux/
[root@bogon linux]# make -j8
[root@bogon linux]# make modules
[root@bogon linux]# make modules_install
[root@bogon linux]# make install
[root@bogon linux]# cat /etc/grub.conf  
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/sda2
#          initrd /initrd-[generic-]version.img
#boot=/dev/sda
default=0
timeout=3
splashimage=(hd0,0)/grub/splash.xpm.gz
#hiddenmenu
title CentOS (3.15.0-eudyptula-00298-g9f1eb57-dirty)
        root (hd0,0)
        kernel /vmlinuz-3.15.0-eudyptula-00298-g9f1eb57-dirty ro root=UUID=b4d19447-4c9d-4eb8-be5d-33e7ab8c5fd9 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM quiet
        initrd /initramfs-3.15.0-eudyptula-00298-g9f1eb57-dirty.img
title CentOS (3.15.0-rc4-00298-g9f1eb57)
        root (hd0,0)
        kernel /vmlinuz-3.15.0-rc4-00298-g9f1eb57 ro root=UUID=b4d19447-4c9d-4eb8-be5d-33e7ab8c5fd9 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM quiet
        initrd /initramfs-3.15.0-rc4-00298-g9f1eb57.img
title CentOS (2.6.32-279.el6.x86_64)
        root (hd0,0)
        kernel /vmlinuz-2.6.32-279.el6.x86_64 ro root=UUID=b4d19447-4c9d-4eb8-be5d-33e7ab8c5fd9 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM quiet
        initrd /initramfs-2.6.32-279.el6.x86_64.img
[root@bogon linux]# reboot

Wait for a moment,let's check the kernel version use command:

[root@bogon ~]# uname -a
Linux bogon 3.15.0-eudyptula-00298-g9f1eb57-dirty #2 SMP Thu May 22 06:28:29 PDT 2014 x86_64 x86_64 x86_64 GNU/Linux

Luckly,it works!

正文完

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发表至： Kernel

2014-05-22

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