nginx安装及负载均衡参数

yum install -y gcc-c++ zlib zlib-devel openssl openssl-devel pcre pcre-devel

groupadd nginx
useradd -s /sbin/nologin -M -g nginx nginx

mkdir -p /app
cd /app
wget http://nginx.org/download/nginx-1.18.0.tar.gz
tar -zxvf nginx-1.18.0.tar.gz
cd nginx-1.18.0
./configure --prefix=/usr/local/nginx

make && make install

chown -R nginx.nginx /usr/local/nginx
/usr/local/nginx/sbin/nginx
iptables -I INPUT 3 -s 0.0.0.0/0 -p tcp --dport 80 -j ACCEPT