Nginx 安装和配置

#!/bin/bash


#nginx执行程序路径需要修改
nginxd=/usr/local/nginx/sbin/nginx

# nginx配置文件路径需要修改
nginx_config=/usr/local/nginx/conf/nginx.conf

# pid 地址需要修改
nginx_pid=/var/local/nginx/nginx.pid


RETVAL=0
prog="nginx"

# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0
[ -x $nginxd ] || exit 0

# Start nginx daemons functions.
start() {
if [ -e $nginx_pid ];then
   echo "nginx already running...."
   exit 1
fi

echo -n $"Starting $prog: "
daemon $nginxd -c ${nginx_config}
RETVAL=$?
echo
[ $RETVAL = 0 ] && touch /var/lock/subsys/nginx
return $RETVAL
}

# Stop nginx daemons functions.
# pid 地址需要修改
stop() {
	echo -n $"Stopping $prog: "
	killproc $nginxd
	RETVAL=$?
	echo
	[ $RETVAL = 0 ] && rm -f /var/lock/subsys/nginx /var/local/nginx/nginx.pid
}

# reload nginx service functions.
reload() {
	echo -n $"Reloading $prog: "
	#kill -HUP `cat ${nginx_pid}`
	killproc $nginxd -HUP
	RETVAL=$?
	echo
}

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	reload)
		reload
		;;
	restart)
		stop
		start
		;;
	status)
		status $prog
		RETVAL=$?
		;;
	*)

	echo $"Usage: $prog {start|stop|restart|reload|status|help}"
	exit 1

esac
exit $RETVAL

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

    server {
        listen       80;
        server_name  localhost;

        location / {
            root   html;
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

    # 一个 server 代表一个虚拟主机
    server {
        listen       80;
        server_name  localhost;

        location / {
            # 虚拟机根目录是 /usr/local/nginx/html 目录
            root   html;
            # 虚拟机首页是 /usr/local/nginx/html 目录下这两个文件
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
    
    server {
        # 第二个虚拟机的端口是 90，服务地址还是本地
        listen       90;
        server_name  localhost;

        location / {
            root   html90;
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

    # 一个 server 代表一个虚拟主机
    server {
        listen       80;
        # 两个虚拟主机都使用 80 端口，设置不同域名
        server_name  code.youmeek.com;

        location / {
            # 虚拟机根目录是 /usr/local/nginx/html 目录
            root   html;
            # 虚拟机首页是 /usr/local/nginx/html 目录下这两个文件
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
    
    server {
        listen       80;
        # 两个虚拟主机都使用 80 端口，设置不同域名
        server_name  i.youmeek.com;

        location / {
            root   html-i;
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

    # 自己定义的两个 tomcat 请求地址和端口
    # 也就是当浏览器请求：tomcat.youmeek.com 的时候从下面这两个 tomcat 中去找一个进行转发
    upstream tomcatCluster {
        server 192.168.1.114:8080;
        server 192.168.1.114:8081;
        
        # 添加 weight 字段可以表示权重，值越高权重越大，默认值是 1，最大值官网没说，一般如果设置也就设置 3,5,7 这样的数
        # 官网：https://www.nginx.com/resources/admin-guide/load-balancer/#weight
        # server 192.168.1.114:8080 weight=2;
        # server 192.168.1.114:8081 weight=1;
    }

    server {
        listen       80;
        server_name  tomcat.youmeek.com;

        location / {
            proxy_pass   http://tomcatCluster;
            index  index.html index.htm;
        }
    }
}