无锡网站建设哪家做,网站备案和实际的不同,专业的网站建设哪家好,仓库管理系统网站建设一、前言nginx进程基于于MasterSlave(worker)多进程模型#xff0c;自 身具有非常稳定的子进程管理功能。在Master进程分配模式下#xff0c;Master进程永远不进行业务处理#xff0c;只是进行任务分发#xff0c;从而达到Master进程的存 活高可靠性#xff0c;Slave(work… 一、前言 nginx进程基于于MasterSlave(worker)多进程模型自 身具有非常稳定的子进程管理功能。在Master进程分配模式下Master进程永远不进行业务处理只是进行任务分发从而达到Master进程的存 活高可靠性Slave(worker)进程所有的业务信号都 由主进程发出Slave(worker)进程所有的超时任务都会被Master中止属于非阻塞式任务模型。 Keepalived是Linux下面实现VRRP 备份路由的高可靠性运行件。基于Keepalived设计的服务模式能够真正做到主服务器和备份服务器故障时IP瞬间无缝交接。二者结合可以构架出比较稳定的软件lb方案。 二、nginxkeepalived架构实战 采用两台服务器做nginx主备后端采用两个realserver可以随意扩展数据库采用mysql主从这里就不说主从的配置了 1、 架构图如下 Server ip nginx master 192.168.1.108 nginx backup 192.168.1.110 vip 192.168.1.100 real server1 192.168.1.105 real server2 192.168.1.103 2、 安装配置 1、安装keepalived在nginx的mater和backup都安装 wget http://www.keepalived.org/software/keepalived-1.1.19.tar.gztar zxvf keepalived-1.1.19.tar.gzcd keepalived-1.1.19./configure --prefix/usr/local/keepalivedmake make installcp /usr/local/keepalived/sbin/keepalived /usr/sbin/cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/mkdir /etc/keepalivedcd /etc/keepalived/ 配置nginx master的keepalived配置文件 [rootzhang1 keepalived]# cat /etc/keepalived/keepalived.conf bal_defs { notification_email { jimo291gmail.com } notification_email_from jimo291gmail.com smtp_server 127.0.0.1 smtp_connect_timeout 30 router_id test1 } vrrp_instance VI_1 { state MASTER interface eth0 virtual_router_id 51 priority 100 advert_int 1 smtp_alert authentication { auth_type PASS auth_pass 123 } virtual_ipaddress { 192.168.1.100 } } 配置nginx backup的keepalived配置文件 [rootzhang1 keepalived]# cat /etc/keepalived/keepalived.conf bal_defs { notification_email { jimo291gmail.com } notification_email_from jimo291gmail.com smtp_server 127.0.0.1 smtp_connect_timeout 30 router_id test2 } vrrp_instance VI_1 { state BACKUP interface eth0 virtual_router_id 51 priority 80 advert_int 1 smtp_alert authentication { auth_type PASS auth_pass 123 } virtual_ipaddress { 192.168.1.100 } } 启动keepalived查看虚拟IP是否绑定 [rootzhang1 ~]# /etc/rc.d/init.d/keepalived start Starting keepalived: [ OK ] [rootzhang1 ~]# ip addr 1: lo: LOOPBACK,UP,LOWER_UP mtu 16436 qdisc noqueue link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc pfifo_fast qlen 1000 link/ether 00:0c:29:65:b4:ed brd ff:ff:ff:ff:ff:ff inet 192.168.1.108/24 brd 192.168.1.255 scope global eth0 inet 192.168.1.100/32 scope global eth0 inet6 fe80::20c:29ff:fe65:b4ed/64 scope link valid_lft forever preferred_lft forever 3: eth1: BROADCAST,MULTICAST mtu 1500 qdisc pfifo_fast qlen 1000 link/ether 00:0c:29:65:b4:f7 brd ff:ff:ff:ff:ff:ff 4: sit0: NOARP mtu 1480 qdisc noop link/sit 0.0.0.0 brd 0.0.0.0 红色部分显示IP已经加载过来了 3、 nginx的安装和配置 1、创建供Nginx使用的组和帐号/usr/sbin/groupadd www -g 48/usr/sbin/useradd -u 48 -g www www 2、编译安装rewrite模块支持包wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.7.tar.gztar zxvf pcre-7.7.tar.gzcd pcre-7.7/./configuremake make installcd ../ 3、编译安装Nginxwget http://sysoev.ru/nginx/nginx-0.7.64.tar.gztar zxvf nginx-0.7.64.tar.gzcd nginx-0.7.64/./configure --userwww --groupwww --prefix/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_realip_module --with-http_flv_modulemake make installcd ../ 4、备份默认nginx.conf配置文件mv /usr/local/nginx/conf/nginx.conf /usr/local/nginx/conf/nginx.old 5、配置nginx(两个nginx配置一样) [rootlinux4 keepalived]# cat /usr/local/nginx/conf/nginx.conf userwww www; worker_processes 8; pid/var/run/nginx.pid; worker_rlimit_nofile 51200; events { use epoll; worker_connections 5120; } http { include mime.types; default_type application/octet-stream; charset gb2312; server_names_hash_bucket_size 128; client_header_buffer_size 32k; large_client_header_buffers 4 32k; sendfile on; tcp_nopush on; keepalive_timeout 60; tcp_nodelay on; gzip on; gzip_min_length 1k; gzip_buffers 4 16k; gzip_http_version 1.0; gzip_comp_level 2; gzip_types text/plain application/x-javascript text/css application/xml; gzip_vary on; upstream srtweb { server 192.168.1.105:80; server 192.168.1.103:80; } server { listen 80; server_name www.carl.com; location /{ proxy_pass http://srtweb; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } } 4、 测试 首先单独对nginx测试看是否工作正常更改hosts文件来测试 其次对keepalived进行测试停掉nginx master上的keepalived看backup服务器是否接管 本文出自 “第三方” 博客请务必保留此出处http://2526575.blog.51cto.com/2516575/592218 转载于:https://www.cnblogs.com/hnlihao/p/3547445.html
