nginx
nginx负载均衡和keepalived+nginx高可用
搭建nginx负载均衡博客地址：
https://www.cnblogs.com/leeSmall/p/9351343.html
搭建keepalived+nginx高可用博客地址：
https://www.cnblogs.com/leeSmall/p/9356535.html
文件说明：
nginx-1.9.0.tar.gz——nginx安装包
keepalived-1.3.5.tar.gz——keepalived安装包
nginx.conf ——nginx配置文件
master_keepalived.conf——keepalived主配置文件
backup_keepalived.conf——keepalived从配置文件
check_nginx_pid.sh——检查和启动nginx的shell脚本