redhat6.4+nginx+keepalived实现双机热备和负载均衡

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1、redhat6.4+nginx+keepalived实现双机热备和负载均衡实验环境Vip192.168.100.151Web1192.168.100.143Web2192.168.100.144负载均衡及热备服务器主：192.168.100.146备：192.168.100.145主备keepalived服务器需要安装的软件：gccOpensslPcreNginxKeepalivedPopt两台web服务器用的是redhat5.4-64安装的apache保证服务器能上网，并配置好yum源（将cdrom挂载到mnt目录下，将yum源配置为本地）安装gcc//yuminst

2、allgcc*-y安装pcre库//yuminstallpcre*-y安装openssl//yuminstallopenssl*-y安装Nginx wget http://nginx.org/download/nginx-0.8.52.tar.gz tar zxvf nginx-0.8.52.tar.gz cd nginx-0.8.52/ ./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module ma

3、ke make install新建用户和组GroupaddwwwUseradd–gwwwwww设置虚ipIfconfigeth0:0192.168.100.151netmask255.255.255.0Nginx配置文件两台服务器配置相同编写nginx的启动脚本Vi/etc/init.d/nginx安装keepalived先要安装poptwget http://keepalived.org/software/keepalived-1.1.19.tar.gz wget http://rpm5.org/files/popt/popt-1.16.tar.gtar -zxvf 

4、popt-1.16.tar.gz cd popt-1.16 ./configure make make install 3.安装keepalived tar -zxvf keepalived-1.1.19.tar.gz cd keepalived-1.1.19 ./configure --prefix=/usr/local/keepalived make make install修改keepalived配置文件vim /usr/local/keepalived/etc/keepalived/keepalived.conf备份keepalived服务器的配置文件只要将st

5、ate改为BACKUP即可编写nginx进程监控脚本Monitor_nginx.sh启动nginx/etc/init.d/nginxstart启动keepalived/usr/local/keepalived/sbin/keepalived–D–f/usr/local/keepalived/etc/keepalived/keepalived.conf客户端测试关闭主keepalived主机看备份keepalived会不会接管ivp备份keepalived服务器日志重启主keepalived后，主keepalived服务日志