首页 > 代码库 > 基于Centos7.2的nginx部署

基于Centos7.2的nginx部署

基于Centos7.2的nginx部署


部署背景:使用Nginx作为Tomcat的负载平衡器。

部署步骤:

  1. 安装zlib-devel、pcre-devel等依赖包

    [root@nginx ~]#  yum install -y gcc gcc-c++ make libtool zlib zlib-devel pcre pcre-devel openssl openssl-devel

    注:结合proxy和upstream模块实现后端web负载均衡

    结合nginx默认自带的ngx_http_proxy_module模块 和ngx_http_upstream_module模块实现后端服务器的健康检查。

    Proxy:实现反向代理

    Upstream:实现负载均衡

  2. 创建nginx用户

    [root@nginx ~]# useradd -s /sbin/nologin www

    [root@nginx ~]# grep www /etc/passwd  ##查看nginx用户www是否建立

    www:x:1000:1000::/home/www:/sbin/nologin

  3. 编译安装nginx

    [root@nginx src]# tar -zxvf nginx-1.13.0.tar.gz

    [root@nginx src]# cd nginx-1.13.0

    [root@nginx nginx-1.13.0]# ./configure --prefix=/usr/local/nginx1.10 --user=www  --group=www --with-http_stub_status_module --with-http_realip_module --with-http_ssl_module --with-http_gzip_static_module --with-pcre --with-http_flv_module && make && make install

    其中:--prefix=/usr/local/nginx1.10表示nginx包安装路径

  4. 创建nginx软连接,方便nginx程序的执行

    [root@nginx nginx-1.13.0]# ln -s /usr/local/nginx1.10/sbin/nginx /usr/local/sbin/

  5. nginx语法检查

    [root@nginx nginx-1.13.0]# nginx -t

    技术分享

  6. 编写nginx服务脚本

    [root@nginx ~]# vim /etc/init.d/nginx

    #!/bin/sh

    #

    # nginx - this script starts and stops the nginx daemon

    #

    # chkconfig:   - 85 15 

    # description:  Nginx is an HTTP(S) server, HTTP(S) reverse \

    #               proxy and IMAP/POP3 proxy server

    # processname: nginx

    # config:      /usr/local/nginx1.10/conf/nginx.conf

    # pidfile:     /usr/local/nginx1.10/logs/nginx.pid


    nginxd=/usr/local/nginx1.10/sbin/nginx

    nginx_config=/usr/local/nginx1.10/conf/nginx.conf

    nginx_pid=/usr/local/nginx1.10/logs/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


    nginx="/usr/local/sbin/nginx"

    prog=$(basename $nginx)


    NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"


    lockfile=/var/lock/subsys/nginx


    start() {

        [ -x $nginx ] || exit 5

        [ -f $NGINX_CONF_FILE ] || exit 6

        echo -n $"Starting $prog: "

        daemon $nginx -c $NGINX_CONF_FILE

        retval=$?

        echo

        [ $retval -eq 0 ] && touch $lockfile

        return $retval

    }


    stop() {

        echo -n $"Stopping $prog: "

        killproc $prog -QUIT

        retval=$?

        echo

        [ $retval -eq 0 ] && rm -f $lockfile

        return $retval

    }


    restart() {

        configtest || return $?

        stop

        start

    }


    reload() {

        configtest || return $?

        echo -n $"Reloading $prog: "

        killproc $nginx -HUP

        RETVAL=$?

        echo

    }


    force_reload() {

        restart

    }


    configtest() {

      $nginx -t -c $NGINX_CONF_FILE

    }


    rh_status() {

        status $prog

    }


    rh_status_q() {

        rh_status >/dev/null 2>&1

    }

    case "$1" in

        start)

            rh_status_q && exit 0

            $1

            ;;

        stop)

            rh_status_q || exit 0

            $1

            ;;

        restart|configtest)

            $1

            ;;

        reload)

            rh_status_q || exit 7

            $1

            ;;

        force-reload)

            force_reload

            ;;

        status)

     rh_status

            ;;

        condrestart|try-restart)

            rh_status_q || exit 0

                ;;

        *)

            echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"

            exit 2

    esac

  7. 添加开机自启动服务

    [root@nginx ~]# chmod +x /etc/init.d/nginx

    [root@nginx ~]# chkconfig --add nginx

    [root@nginx ~]# chkconfig nginx on

    [root@nginx ~]# chkconfig --list |grep nginx

    nginx           0:off   1:off   2:on    3:on    4:on    5:on    6:off

  8. 启动nginx服务

    [root@nginx ~]# /usr/local/sbin/nginx start

    nginx: invalid option: "start"

    [root@nginx ~]# /etc/init.d/nginx start

    Starting nginx (via systemctl):  Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.

                                                               [FAILED]

    技术分享

    以上我们可以看出,nginx启动失败!以下是解决方法:

    [root@nginx ~]# /usr/local/sbin/nginx

    [root@nginx ~]# /etc/init.d/nginx start

    Starting nginx (via systemctl):                            [  OK  ]

    技术分享

    技术分享

  9. 配置nginx反向代理:作用是(反向代理+负载均衡+健康探测)

    修改nginx主配置文件:

    [root@nginx ~]# vim /usr/local/nginx1.10/conf/nginx.conf


    user  www www;

    worker_processes     2;

    worker_cpu_affinity 0101 1010;

    error_log  logs/error.log;

    #error_log  logs/error.log  notice;

    #error_log  logs/error.log  info;

    worker_rlimit_nofile 10240;

    pid        logs/nginx.pid;

    events{

    use epoll;

    worker_connections  4096;

    }

    http{

    include mime.types;

    default_type  application/octet-stream;

    log_format  main ‘$remote_addr - $remote_user [$time_local] "$request" ‘

                          ‘$status $body_bytes_sent"$http_referer" ‘

                         ‘"$http_user_agent" "$http_x_forwarded_for"‘;

    access_log  logs/access.log  main;

    server_tokens off;

    sendfile        on;

    tcp_nopush     on;

        #keepalive_timeout  0;

    keepalive_timeout  65;

        #Compression Settings

    gzip on;

    gzip_comp_level 6;

    gzip_http_version 1.1;

    gzip_proxied any;

    gzip_min_length 1k;

    gzip_buffers 16 8k;

    gzip_types text/plain text/css text/javascript application/json application/javascript application/x-javascriptapplication/xml;

    gzip_vary on;

        #end gzip

        # http_proxy Settings

    client_max_body_size   10m;

    client_body_buffer_size   128k;

    proxy_connect_timeout   75;

    proxy_send_timeout   75;

    proxy_read_timeout   75;

    proxy_buffer_size   4k;

    proxy_buffers   4 32k;

    proxy_busy_buffers_size   64k;

    proxy_temp_file_write_size  64k;

        #load balance Settings

    upstream backend_tomcat {

    server 192.168.100.126:8080 weight=1 max_fails=2 fail_timeout=10s;    ##需要更改为tomcat的ip

    server 192.168.100.127:8080 weight=1 max_fails=2 fail_timeout=10s;    ##需要更改为tomcat的ip

        }

        #virtual host Settings

    server{

    listen       80;

    server_name  www.benet.com;

    charset utf-8;

    location / {

    root html;

    index  index.jsp index.html index.htm;

            }

    location ~* \.(jsp|do)$ {

    proxy_pass  http://backend_tomcat;

    proxy_redirect off;

    proxy_set_header Host $host;

    proxy_set_header X-Real-IP $remote_addr;

    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;

            }

    location /nginx_status {

    stub_status on;

    access_log off;

    allow 192.168.100.0/24;    ##需要更改tomcat的ip段

    deny all;

            }

        }

    }

  10. 重启使其生效

    [root@nginx conf]# /usr/local/sbin/nginx

    [root@nginx conf]# service nginx restart

    Restarting nginx (via systemctl):                          [  OK  ]

  11. [root@nginx ~]# firewall-cmd --permanent --add-port=80/tcp

    success

    [root@nginx ~]# firewall-cmd --reload

    success

    技术分享

以上就是nginx部署的基本步骤!

本文出自 “圣骑士控魔之手” 博客,请务必保留此出处http://wutengfei.blog.51cto.com/10942117/1934066

基于Centos7.2的nginx部署