#########實作FULLNAT模式##########
1.核心編譯 （FULLNAT模式要重編LVS機器核心）
[[email protected] ~]# free -m ##檢視下本機空間，盡量給到至少2G ，因為編譯核心是會讀大量檔案，同時往硬碟裡寫入資訊，是以要有足夠的空間，否則編譯的速度會非常慢
total used free shared buffers cached
Mem: 1877 127 1749 0 13 35
-/+ buffers/cache: 78 1798
Swap: 991 0 991
需要準備的安裝包：
kernel-2.6.32-220.23.1.el6.src.rpm 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 Lvs-fullnat-synproxy.tar.gz
[[email protected] ~]# rpm -ivh kernel-2.6.32-220.23.1.el6.src.rpm ##解壓rpm包
[[email protected] ~]# cd rpmbuild/
[[email protected] rpmbuild]# cd SPECS/
[root@server4 SPECS]# ls ##解壓成功後檢視下目前目錄必須有這個檔案
kernel.spec
[[email protected] SPECS]# yum install -y rpm-build ##安裝這個指令後面編譯要用到
[[email protected] SPECS]# cd ..
[[email protected] rpmbuild]# ls
SOURCES SPECS
[[email protected] rpmbuild]# cd SPECS/
[root@server4 SPECS]# rpmbuild -bp kernel.spec ##解開源碼
error: Failed build dependencies:
gcc >= 3.4.2 is needed by kernel-2.6.32-220.23.1.el6.x86_64
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
zlib-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
[[email protected] SPECS]# yum install redhat-rpm-config patchutils xmlto asciidoc elfutils-libelf-devel binutils-devel newt-devel python-devel perl-ExtUtils-Embed hmaccalc -y ##根據提示安裝需要的包，解決依賴性
[[email protected] SPECS]# rpmbuild -bp kernel.spec error: Failed build dependencies:
gcc >= 3.4.2 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
newt-devel is needed by kernel-2.6.32-220.23.1.el6.x86_64
[[email protected] SPECS]# yum install -y gcc asciidoc newt-devel ##根據提示安裝需要的包
[[email protected] SPECS]# rpmbuild -bp kernel.spec
error: Failed build dependencies:
asciidoc 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
[[email protected] ~]# 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 ##這三個包之間有依賴性
[[email protected] SPECS]# rpmbuild -bp kernel.spec ##
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.8TCaQ7
+ umask 022
+ cd /root/rpmbuild/BUILD
+ patch -p1 -F1 -s'
+ '[' '!' -d kernel-2.6.32-220.23.1.el6/vanilla-2.6.32-220.23.1.el6/ ']'
+ rm -f pax_global_header
+ cd /root/rpmbuild/BUILD
+ rm -rf kernel-2.6.32-220.23.1.el6
+ /bin/mkdir -p kernel-2.6.32-220.23.1.el6
+ cd kernel-2.6.32-220.23.1.el6
+ /bin/tar -xf -
+ /usr/bin/bzip2 -dc /root/rpmbuild/SOURCES/linux-2.6.32-220.23.1.el6.tar.bz2
+ gpg --homedir . --batch --gen-key /root/rpmbuild/SOURCES/genkey
gpg: WARNING: unsafe permissions on homedir `.'
gpg: keyring `./secring.gpg' created
gpg: keyring `./pubring.gpg' created ##在這裡會停下，需要在開一個終端，産生随機數才會繼續
[[email protected]~]# yum provides */rngd ##yum provides用來查詢這個指令有哪個包提供
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
ScalableFileSystem/filelists_db | 3.0 kB 00:00
rhel-source/filelists_db | 3.8 MB 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
[[email protected] ~]# yum install -y rng-tools-2-13.el6_2.x86_64
[[email protected] ~]# rngd -r /dev/urandom ##用這個指令産生随機數
[roo[email protected] ~]# tar zxf Lvs-fullnat-synproxy.tar.gz ##
[[email protected] ~]# cd lvs-fullnat-synproxy/
[[email protected] lvs-fullnat-synproxy]# ls
lvs-2.6.32-220.23.1.el6.patch README
lvs-tools.tar.gz toa-2.6.32-220.23.1.el6.patch
[[email protected] lvs-fullnat-synproxy]# cp lvs-2.6.32-220.23.1.el6.patch
[[email protected] lvs-fullnat-synproxy]# cp lvs-2.6.32-220.23.1.el6.patch ~/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/linux-2.6.32-220.23.1.el6.x86_64/
[[email protected] lvs-fullnat-synproxy]# cd ~/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/linux-2.6.32-220.23.1.el6.x86_64/
[[email protected] linux-2.6.32-220.23.1.el6.x86_64]# patch -p1 < lvs-2.6.32-220.23.1.el6.patch ##打更新檔
[[email protected] linux-2.6.32-220.23.1.el6.x86_64]# vim Makefile ##擴充版本，寫入你需要編譯的版本
4 EXTRAVERSION = -220.23.1.el6
[root@server4 linux-2.6.32-220.23.1.el6.x86_64]# make ##編譯
[[email protected] linux-2.6.32-220.23.1.el6.x86_64]# make modules_install ##導入安裝子產品
[[email protected]_64]# make install ##安裝的是引導檔案，在/boot目錄下就有你所編譯的核心檔案vmlinuz-2.6.32-220.23.1.el6
[[email protected] ~]# vim /boot/grub/grub.conf
##修改核心啟動參數，因為你所編好的核心檔案就加在原有版本的上面，是以default的要改成0，開機時才會進入你所編譯的核心版本
default=0 ##改成0才會在進入系統時通路你所編譯的版本
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux Server (2.6.32-220.23.1.el6) ##你所編譯的版本####
root (hd0,0)
kernel /vmlinuz-2.6.32-220.23.1.el6 ro root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS /lib/modules/`uname -r`/build"
[[email protected] keepalived]# make && make install
[[email protected] ipvsadm]# which ipvsadm
/sbin/ipvsadm
3.編譯ipvsadm
[[email protected] ~]# cd lvs-fullnat-synproxy/tools/ipvsadm/
[[email protected] ipvsadm]# make
[[email protected] ipvsadm]# make install
[[email protected] ipvsadm]# /etc/init.d/ipvsadm status
[[email protected] ipvsadm]# ipvsadm -l
IP Virtual Server version 1.2.1 (size=4194304)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
--ipip -i ipip encapsulation (tunneling)
--fullnat -b fullnat mode
--masquerading -m masquerading (NAT)
fullnat環境配置完成