安装使用lvs详解程序员

yum -y install gcc gcc-c++ kernel-devel libnl* popt* 
mkdir /usr/local/src/lvs 
cd /usr/local/src/lvs 
wget http://www.linuxvirtualserver.org/software/kernel-2.6/ipvsadm-1.26.tar.gz 
ln -s /usr/src/kernels/2.6.32-358.11.1.el6.i686/ /usr/src/linux 
tar zxvf ipvsadm-1.26.tar.gz  
cd ipvsadm-1.26 
make 
make install

#! /bin/bash  
SNS_VIP=192.168.1.11 
SNS_RIP1=192.168.1.109 
SNS_RIP2=192.168.1.110 
. /etc/rc.d/init.d/functions 
 
logger $0 called with $1 
case "$1" in 
        start) 
                /sbin/ipvsadm --set 30 5 60 
                /sbin/ifconfig eth0:0 $SNS_VIP broadcast $SNS_VIP netmask 255.255.255.255 broadcast $SNS_VIP up 
                /sbin/route add -host $SNS_VIP dev eth0:0 
                /sbin/ipvsadm -A -t $SNS_VIP:80 -s wlc -p 120 
                /sbin/ipvsadm -a -t $SNS_VIP:80 -r $SNS_RIP1:80 -g -w 1 
                /sbin/ipvsadm -a -t $SNS_VIP:80 -r $SNS_RIP2:80 -g -w 1 
                touch /var/lock/subsys/ipvsadm > /dev/null 2>&1 
        ;; 
        stop) 
                /sbin/ipvsadm -C 
                /sbin/ipvsadm -Z 
                ifconfig eth0:0 down 
                route del $SNS_VIP 
                rm -rf /var/lock/subsys/ipvsadm > /dev/null 2>&1 
                echo "ipvsadm stoped" 
        ;; 
        status) 
                if [ ! -e /var/lock/subsys/ipvsadm ];then 
                        echo "ipvsadm stoped" 
                        exit 1 
                else 
                        echo "ipvsadm OK" 
                fi 
        ;; 
        *) 
                echo "Usage: $0 {start|stop|status}"
　　　　　　　　　　　　　　exit 1

　　　　　　esac
exit 0

#!/bin/bash 
SNS_VIP=192.168.1.11 
. /etc/init.d/functions 
case "$1" in 
    start) 
        ifconfig lo:0 $SNS_VIP netmask 255.255.255.255 broadcast $SNS_VIP 
        /sbin/route add -host $SNS_VIP dev lo:0 
        echo "1" > /proc/sys/net/ipv4/conf/lo/arp_ignore 
        echo "2" > /proc/sys/net/ipv4/conf/lo/arp_announce 
        echo "1" > /proc/sys/net/ipv4/conf/all/arp_ignore 
        echo "2" > /proc/sys/net/ipv4/conf/all/arp_announce 
        sysctl -p > /dev/null 2>&1 
        echo "RealServer Start OK" 
    ;;   
    stop) 
        ifconfig lo:0 down 
        route del $SNS_VIP > /dev/null 2>&1 
        echo "0" > /proc/sys/net/ipv4/conf/lo/arp_ignore 
        echo "0" > /proc/sys/net/ipv4/conf/lo/arp_announce 
        echo "0" > /proc/sys/net/ipv4/conf/all/arp_ignore 
        echo "0" > /proc/sys/net/ipv4/conf/all/arp_announce 
        echo "RealServer Stoped" 
    ;;   
    *)   
        echo "Usage: $0 {start|stop}" 
        exit 0 
    esac 
exit 0