在实验前应先进行内核编译
1.内核编译
虚拟机至少2048M以上memory（内存）
点击Latest Press News… Wednesday, August 8, 2012标题下的
The FULLNAT and SYNPROXY feature
按照提示进行内核编译
<1>配置yum源
物理机挂载rhel6.5的镜像
[root@foundation8 Desktop]# mount /iso/rhel-server-6.5-x86_64-dvd.iso /var/www/html/source6.5/
mount: /dev/loop0 is write-protected, mounting read-only虚拟机配置高可用yum源
[root@server1 ~]# cd /etc/yum.repos.d/
[root@server1 yum.repos.d]# vim rhel-source.repo
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[HighAvailability]
name=HighAvailability
baseurl=http://172.25.8.250/source6.5/HighAvailability
gpgcheck=0
[LoadBalancer]
name=LoadBalancer
baseurl=http://172.25.8.250/source6.5/LoadBalancer
gpgcheck=0
[ResilientStorage]
name=ResilientStorage
baseurl=http://172.25.8.250/source6.5/ResilientStorage
gpgcheck=0
[ScalableFileSystem]
name=ScalableFileSystem
baseurl=http://172.25.8.250/source6.5/ScalableFileSystem
gpgcheck=0
[root@server1 yum.repos.d]# yum clean all[root@server1 yum.repos.d]# yum repolist
Loaded plugins: product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
HighAvailability | 3.9 kB 00:00
HighAvailability/primary_db | 43 kB 00:00
LoadBalancer | 3.9 kB 00:00
LoadBalancer/primary_db | 7.0 kB 00:00
ResilientStorage | 3.9 kB 00:00
ResilientStorage/primary_db | 47 kB 00:00
ScalableFileSystem | 3.9 kB 00:00
ScalableFileSystem/primary_db | 6.8 kB 00:00
rhel-source | 3.9 kB 00:00
repo id repo name status
HighAvailability HighAvailability 56
LoadBalancer LoadBalancer 4
ResilientStorage ResilientStorage 62
ScalableFileSystem ScalableFileSystem 7
rhel-source Red Hat Enterprise Linux 6Server - x86_64 - Source 3,690
repolist: 3,819 # 6.5镜像yum源完整的安装包<2>安装ipvsadm服务
[root@server8 ~]# yum install ipvsadm -y<3>下载并安装LVS-FULLNAT和内核源码包
需要的安装包：
Lvs-fullnat-synproxy.tar.gz
kernel-2.6.32-220.23.1.el6.src.rpm
[root@server1 ~]# yum install rpm-build -y
[root@server1 ~]# rpm -ivh kernel-2.6.32-220.23.1.el6.src.rpm
[root@server1 ~]# ls
keepalived-2.0.6 ldirectord-3.9.5-3.1.x86_64.rpm
keepalived-2.0.6.tar.gz Lvs-fullnat-synproxy.tar.gz
kernel-2.6.32-220.23.1.el6.src.rpm rpmbuild
[root@server1 ~]# cd rpmbuild/
[root@server1 rpmbuild]# ls
SOURCES SPECS
[root@server1 rpmbuild]# cd SPECS/
[root@server1 SPECS]# ls
kernel.spec
[root@server1 SPECS]# rpmbuild -bp kernel.spec #根据依赖性提示需要的安装包
[root@server1 SPECS]# yum install redhat-rpm-config patchutils xmlto asciidoc elfutils-libelf-devel binutils-devel newt-devel python-devel hmaccalc perl-ExtUtils-Embed -y<4>下载并安装3个安装包
需要的安装包：
newt-devel-0.52.11-3.el6.x86_64.rpm
asciidoc-8.4.5-4.1.el6.noarch.rpm
slang-devel-2.2.1-1.el6.x86_64.rpm
[root@server1 ~]# yum install newt-devel-0.52.11-3.el6.x86_64.rpm asciidoc-8.4.5-4.1.el6.noarch.rpm slang-devel-2.2.1-1.el6.x86_64.rpm -y
[root@server1 ~]# cd rpmbuild/
[root@server1 rpmbuild]# ls
BUILD BUILDROOT RPMS SOURCES SPECS SRPMS
[root@server1 rpmbuild]# cd SPECS/
[root@server1 SPECS]# ls
kernel.spec
[root@server1 SPECS]# rpmbuild -bp kernel.spec #很慢
打开server1另一个终端，执行如下命令
[root@server1 ~]# yum provides */rngd
[root@server1 ~]# yum install rng-tools.x86_64 -y
[root@server1 ~]# rngd -r /dev/urandom执行后，第一个server1终端的rpmbuild -bp kernel.spec 也执行结束
返回原server1终端
[root@server1 ~]# tar zxf Lvs-fullnat-synproxy.tar.gz
[root@server1 ~]# rngd -r /dev/urandom
[root@server1 ~]# cd rpmbuild/
[root@server1 rpmbuild]# ls
BUILD BUILDROOT RPMS SOURCES SPECS SRPMS
[root@server1 rpmbuild]# cd BUILD
[root@server1 BUILD]# ls
kernel-2.6.32-220.23.1.el6
[root@server1 BUILD]# cd kernel-2.6.32-220.23.1.el6/
[root@server1 kernel-2.6.32-220.23.1.el6]# ls
linux-2.6.32-220.23.1.el6.x86_64 vanilla-2.6.32-220.23.1.el6
[root@server1 kernel-2.6.32-220.23.1.el6]# cd linux-2.6.32-220.23.1.el6.x86_64/
[root@server1 linux-2.6.32-220.23.1.el6.x86_64]# cp /root/lvs-fullnat-synproxy/lvs-2.6.32-220.23.1.el6.patch .
[root@server1 linux-2.6.32-220.23.1.el6.x86_64]# patch -p1 < lvs-2.6.32-220.23.1.el6.patch #打补丁
[root@server1 linux-2.6.32-220.23.1.el6.x86_64]# vim Makefile #此命令可以不执行
EXTRAVERSION = 220.23.1.el6[root@server1 linux-2.6.32-220.23.1.el6.x86_64]# ipvsadm -l # 显示内核虚拟服务器表
IP Virtual Server version 1.2.1 (size=4096) #内核编译成功后会变为2的22次方
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn<5>编译三部曲（编译、导入模块并安装）
[root@server1 linux-2.6.32-220.23.1.el6.x86_64]# make #编译（需要1个小时）
[root@server1 linux-2.6.32-220.23.1.el6.x86_64]# make modules_install ##导入模块
[root@server1 linux-2.6.32-220.23.1.el6.x86_64]# make install <6>开机引导文件
[root@server5 linux-2.6.32-220.23.1.el6.x86_64]# vim /boot/grub/grub.conf
default = 0 #默认启动<7>重启
[root@server1 ~]# reboot<8>
[root@server1 ~]# ipvsadm -l # 显示内核虚拟服务器表
IP Virtual Server version 1.2.1 (size=4194304) # 内核大小变为2的22次方
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
2.FULLNET
实验环境：
内核编译完成的虚拟机server1
实验步骤：
LVS Tools (keepalived/ipvsadm/quaage)
cd lvs-fullnat-synproxy
tar xzf lvs-tools.tar.gz;
cd tools
1. keepalived install
cd keepalived/
yum install popt-devl.x86_64 -y
./configure --with-kernel-dir="/lib/modules/`uname -r`/build";
make;
make install2. ipvsadm install
cd lvs-fullnat-synproxy/tools/ipvsadm
make;
make install;