琐碎知识点
route add defaule gw 172.25.44.1 #添加网关
sysctl -w net.ipv4.ip_foward=1 #临时打开内核路由功能,转发数据包
#详细步骤在官网上：IPVS FULLNAT and SYNPROXY
<1>关闭所有的虚拟机，打开一个虚拟机，把虚拟机大小改为2048
<2>ssh [email protected] #连接上虚拟机，开始操作
<3>获取安装包 #可根据不同的需求来安装不同的版本
asciidoc-8.4.5-4.1.el6.noarch.rpm
kernel-2.6.32-220.23.1.el6.src.rpm
Lvs-fullnat-synproxy.tar.gz
newt-devel-0.52.11-3.el6.x86_64.rpm
slang-devel-2.2.1-1.el6.x86_64.rpm
<4>yum install -y rpm-build
<5>rpm -ivh kernel-2.6.32-220.23.1.el6.src.rpm
<6>cd rpmbuild
<7>cd SPECS/
<8>ls
kernel.spec
<9>rpmbuild -bp kernel.spec #下载此软件需要解决依赖性
error: Failed build dependencies:
redhat-rpm-config is needed by kernel-2.6.32-220.23.1.el6.x86_64
patchutils is needed by kernel-2.6.32-220.23.1.el6.x86_64
xmlto is needed by kernel-2.6.32-220.23.1.el6.x86_64
asciidoc is needed by kernel-2.6.32-220.23.1.el6.x86_64
elfutils-libelf-devel is needed by kernel-2.6.32-220.23.1.el6.x86_64
binutils-devel is needed by kernel-2.6.32-220.23.1.el6.x86_64
newt-devel is needed by kernel-2.6.32-220.23.1.el6.x86_64
python-devel is needed by kernel-2.6.32-220.23.1.el6.x86_64
perl(ExtUtils::Embed) is needed by kernel-2.6.32-220.23.1.el6.x86_64
hmaccalc is needed by kernel-2.6.32-220.23.1.el6.x86_64
<10>yum install asciidoc-8.4.5-4.1.el6.noarch.rpm newt-devel-0.52.11-3.el6.x86_64.rpm slang-devel-2.2.1-1.el6.x86_64.rpm -y
<11>yum install redhat-rpm-config patchutils xmlto asciidoc elfutils-libelf-devel kernel.spec binutils-devel newt-devel python-devel perl-ExtUtils-Embed hmaccalc gcc -y
<11>cd rpmbuild/
<12>cd SPECS/
<13>rpmbuild -bp kernel.spec #在此处会卡住，虚拟机开启图形的话就可以敲键盘解决，没图形就按照提示来解决
### should use a hardware random number generator if one is available, eg:
###
### r ngd -r /dev/hwrandom
###
### If one isn't available, the pseudo-random number generator can be used:
###
### r ngd -r /dev/urandom #直接下载这个就可以跳过等待
###
<14>yum whatprovides */rngd #重新打开一个窗口
Loaded plugins: product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
HighAvailability/filelists_db | 38 kB 00:00
LoadBalancer/filelists_db | 3.9 kB 00:00
ResilientStorage/filelists_db | 39 kB 00:00
rng-tools-2-13.el6_2.x86_64 : Random number generator related utilities
Repo : rhel-source
Matched from:
Filename : /etc/sysconfig/rngd
Filename : /sbin/rngd
Filename : /etc/rc.d/init.d/rngd
<15> yum install rng-tools-2-13.el6_2.x86_64 -y
<16>rngd -r /dev/urandom
<17>tar zxf Lvs-fullnat-synproxy.tar.gz
<18>cd rpmbuild/BUILD/
<19> ls
kernel-2.6.cd kernel-2.6.32-220.23.1.el6/
<20>cd kernel-2.6.cd kernel-2.6.32-220.23.1.el6/
<21>ls
linux-2.6.32-220.23.1.el6.x86_64 vanilla-2.6.32-220.23.1.el632-220.23.1.el6
<22>cd linux-2.6.32-220.23.1.el6.x86_64/
<23>cp /root/lvs-fullnat-synproxy/lvs-2.6.32-220.23.1.el6.patch .
<24>patch -p1 < lvs-2.6.32-220.23.1.el6.patch # 打补丁，-p1 这是数字1
<25>uname -r
2.6.32-431.el6.x86_64
<26> vim Makefile #改名字
EXTRAVERSION = -431.el6.x86_64
<27>make #等待即可，此过程比较漫长，请耐心等待
<28>make modules_install
<29>make install
<30>cd /boot/
<31>cd grub/
<32>vim grub.conf
default =0 #把这个参数改为0
<33> reboot
<34>yum remove ipvsadm
<35>cd lvs-fullnat-synproxy/
<36>tar zxf lvs-tools.tar.gz
<37>cd tools/
<38>cd keepalived/
<39>yum install openssl-devel -y
<40>yum install -y popt-devel
<41>./configure --with-kernel-dir="/lib/modules/`uname -r`/build"
<42>make
<43>make install
<44>cd lvs-fullnat-synproxy/tools/ipvsadm/
<45>make
<46>make install
<47>ipvsadm --help #查看fullnat mode是否添加成功