fullnat開源已經有一陣子了,內核版本爲2.6.32-220.23.1.e16,項目地址http://kb.linuxvirtualserver.org/wiki/IPVS_FULLNAT_and_SYNPROXY。本屌編譯測試環境如下:
centos6.3 64位
編譯過程參照官方做法,只是融入後續的打rpm包的部分。過程如下:
一、下載相關代碼:
下載 kernel-2.6.32-220.23.1.el6.src.rpmlinux-2.6.32-220.23.1.el6.x86_64.lvs.src.tar.gz
二、編譯內核
1、安裝kernel-2.6.32-220.23.1.el6.src.rpm
rpm -ivh kernel-2.6.32-220.23.1.el6.src.rpm
2、生成內核源碼
默認的,你會在root家目錄下看到rpmbuild目
cd ~/rpmbuild/SPECS rpmbuild -bp kernel.spec
3、對生成的內核源碼打patch默認的
#在/usr/local/src下解壓linux-2.6.32-220.23.1.el6.x86_64.lvs.src.tar.gz tar zxf linux-2.6.32-220.23.1.el6.x86_64.lvs.src.tar.gz #打patch cd ~/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/linux-2.6.32-220.23.1.el6.x86_64/ cp /usr/local/src/linux-2.6.32-220.23.1.el6.x86_64.lvs/lvs-2.6.32-220.23.1.el6.patch . #淘寶將IP_VS改成了22,測試時遇到些麻煩,因此改爲20了。 #vim .config CONFIG_IP_VS_TAB_BITS=20 #你可以修改Makefile把內核的名稱做下標記(line:4) EXTRAVERSION = .FNAT.shanks.e27.x86_64
4、make
make -j16 make modules_install make install;
5、配置grub.conf
#vim /boot/grub/grub.conf default=0
三、reboot
reboot之後uname -r看下是不是你想要的內核。
四、打內核rpm包
1、安裝kernel-2.6.32-220.23.1.el6.src.rpm
rpm -ivh /usr/local/src/kernel-2.6.32-220.23.1.el6.src.rpm
2、生成內核源碼目錄
rpmbuild -bp ~/rpmbuild/SPECS/kernel.spec
3、複製出一份內核源碼目錄
cd ~/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/ cp -a linux-2.6.32-220.23.1.el6.x86_64/ linux-2.6.32-220.23.1.el6.x86_64_new
4、爲內核打fullnat的patch
cd linux-2.6.32-220.23.1.el6.x86_64_new/ patch -p1 < /usr/local/src/lvs-2.6.32-220.23.1.el6.patch cp .config ~/rpmbuild/SOURCES/config-x86_64-generic
5、刪除原來內核源碼目錄中的.config文件。
cd ~/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/linux-2.6.32-220.23.1.el6.x86_64 rm -rf .config
不刪的話,會在最後打rpm時遇到報錯
6、打自己的patch
cd ~/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/ diff -uNr linux-2.6.32-220.23.1.el6.x86_64 linux-2.6.32-220.23.1.el6.x86_64_new/ > ../../SOURCES/lvs-2.6.32-220.23.1.el6.patch
7、編輯kernel.spec
vim ~/rpmbuild/SPECS/kernel.spec line:9 打上個版本號 %define dist .e27 line:22 打上個名稱的標記 %define distro_build fnat.shanks line:605 標記下自己的patch Patch999999: lvs-2.6.32-220.23.1.el6.patch line:915 讓自己的patch生效 ApplyOptionalPatch lvs-2.6.32-220.23.1.el6.patch
8、打rpm
rpmbuild -bb --with baseonly --with firmware --without debuginfo --target=x86_64 SPECS/kernel.spec
在這裏如果遇到這樣的報錯: + cp /root/rpmbuild/SOURCES/Module.kabi_x86_64 /root/rpmbuild/BUILDROOT/kernel-2.6.32-fnat.shanks.e27.x86_64/Module.kabi + /root/rpmbuild/SOURCES/check-kabi -k /root/rpmbuild/BUILDROOT/kernel-2.6.32-fnat.shanks.e27.x86_64/Module.kabi -s Module.symvers *** ERROR - ABI BREAKAGE WAS DETECTED *** The following symbols have been changed (this will cause an ABI breakage): register_ip_vs_scheduler unregister_ip_vs_scheduler + exit 1 error: Bad exit status from /var/tmp/rpm-tmp.0Wfj33 (%build) RPM build errors: Bad exit status from /var/tmp/rpm-tmp.0Wfj33 (%build) 可以在rpmbuild的時候加上--without kabichk
參考:https://fedoraproject.org/wiki/Building_a_custom_kernel/zh-cn
http://wiki.centos.org/HowTos/Custom_Kernel