nginx负载均衡

[root@ c7-41 ~]# vim nginx.sh
[root@ c7-41 ~]# cat nginx.sh
#!/bin/bash
systemctl stop firewalld.service
setenforce 0
echo "安装依赖包"
yum -y install gcc gcc-c++ pcre-devel zlib-devel openssl-devel &>/dev/null
echo "nginx依赖包安装完成"
echo "解压nginx包"
tar -zxf nginx-1.12.2.tar.gz
echo "解压完成"
echo "环境监察"
cd nginx-1.12.2
echo "nginx-1.12.2路径进入成功！！！"
./configure &>/dev/null
echo "环境监察完成"
echo "开始安装nginx！"
make &>/dev/null
make install &>/dev/null
echo "安装完成！！！"
echo "修改nginx页面"
sed -i '14s/Welcome to nginx!/nginx1!!!/' /usr/local/nginx/html/index.html
echo "nginx update ok!!!"
sed -i '/#gzip/a upstream webs{\n server 10.0.0.41:80;\n server 10.0.0.42:80;\n}' /usr/local/nginx/conf/nginx.conf
sed -i '49s/index  index.html index.htm;/index  index.html index.jsp index.htm;/' /usr/local/nginx/conf/nginx.conf
sed -i '/index  index.html index.jsp index.htm;/a proxy_pass http://webs;' /usr/local/nginx/conf/nginx.conf
echo "nginx.conf 配置文件ok"
/usr/local/nginx/sbin/nginx &>/dev/null
/usr/local/nginx/sbin/nginx -s reload
echo "nginx启动成功,请在测试页测试nginx!"
[root@ c7-41 ~]# chmod +x nginx.sh		#给权限
[root@ c7-41 ~]# ./nginx.sh		#执行