{"id":654,"date":"2018-02-24T16:10:16","date_gmt":"2018-02-24T08:10:16","guid":{"rendered":"http:\/\/60.205.208.74\/?p=654"},"modified":"2018-02-24T16:10:16","modified_gmt":"2018-02-24T08:10:16","slug":"nginxkeepalived%e5%ae%9e%e7%8e%b0%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e5%92%8c%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7-in-ubuntu","status":"publish","type":"post","link":"https:\/\/www.puzi7.net\/?p=654","title":{"rendered":"Nginx+keepalived\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027 in ubuntu"},"content":{"rendered":"

\u4f7f\u7528Nginx\u5df2\u7ecf\u6709\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\uff0c\u4f46\u662f\u6700\u8fd1\u624d\u53bb\u5b9e\u8df5\u5229\u7528Nginx\u505a\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n

\u5927\u81f4\u601d\u8def\uff1a\u6839\u636ekeepalived\u7684\u7279\u6027\uff0c\u901a\u8fc7\u4e00\u4e2a\u865a\u62dfip\u6765\u5b9e\u73b0\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u5207\u6362\uff0c\u5982\u679c\u4e00\u53f0\u670d\u52a1\u5668\u5b95\u673a\uff0c\u53ef\u4ee5\u81ea\u52a8\u5207\u6362\u5230\u53e6\u4e00\u53f0\u5907\u4efd\u670d\u52a1\u5668\uff0c\u4ece\u800c\u4e0d\u5f71\u54cd\u7528\u6237\u7684\u8bbf\u95ee\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u6211\u7684\u5b89\u88c5\u914d\u7f6e\u6b65\u9aa4\uff0c\u8bf7\u5927\u5bb6\u53c2\u8003\u6307\u6b63\u3002<\/p>\n

1\uff1a\u670d\u52a1\u5668\u51c6\u5907<\/p>\n

\u51c6\u5907\u4e24\u53f0ubuntu\u865a\u62df\u4e3b\u673a\u670d\u52a1\u5668\uff0c\u5bf9\u5e94\u7684IP\u5206\u522b\u662f 192.168.1.100 \u00a0 192.168.1.200<\/p>\n

\u4e24\u53f0\u4e3b\u673a\u7684ip\u4e00\u5b9a\u8981\u5728\u76f8\u540c\u7684\u7f51\u6bb5<\/p>\n

2\uff1a\u865a\u62dfIP\u51c6\u5907<\/p>\n

sudo ifconfig \u00a0eth0:0 192.168.1.150 netmask 255.255.255.0<\/p>\n

\u7136\u540e\u67e5\u770bifconfig,\u4e0d\u96be\u53d1\u73b0\u4e0e\u4e4b\u524d\u7684ifconfig \u7684\u4e0d\u540c\u3002\u4e5f\u53ef\u4ee5\u901a\u8fc7ip a\u67e5\u770b\uff0c\u5bf9\u5e94\u7684\u7f51\u5361eth0\u6709\u4e24\u4e2aipaddress<\/p>\n

\u4e24\u53f0\u865a\u62df\u4e3b\u673a\u8981\u4f7f\u7528\u76f8\u540c\u7684\u865a\u62dfIP: 192.168.1.150<\/p>\n

 <\/p>\n

3\uff1a\u5b89\u88c5nginx<\/p>\n

sudo apt-get install nginx<\/p>\n

\u5b89\u88c5\u5b8c\u6210\u4e4b\u540e\uff0cps -ef|grep nginx \u67e5\u770bnginx\u7684\u8fdb\u7a0b\uff0c\u5982\u679c\u6ca1\u95ee\u9898\uff0c\u53ef\u4ee5\u67e5\u770bhttp:\/\/192.168.1.100 \u00a0\u5982\u679c\u663e\u793a\u6b63\u5e38\uff0c\u8bf4\u660enginx\u670d\u52a1\u6b63\u5e38\u542f\u52a8\u3002<\/p>\n

nginx\u7684\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n

user www-data;\nworker_processes 4;\npid \/var\/run\/nginx.pid;\n\nevents {\n        worker_connections 1024;\n        # multi_accept on;\n}\n\nhttp {\n\n        ##\n        # Basic Settings\n        ##\n\n        sendfile on;\n        tcp_nopush on;\n        tcp_nodelay on;\n        keepalive_timeout 65;\n        fastcgi_buffer_size  64k;\n        fastcgi_buffers      16  64k;\n\n        types_hash_max_size 2048;\n        # server_tokens off;\n\n        # server_names_hash_bucket_size 64;\n        # server_name_in_redirect off;\n\n        include \/etc\/nginx\/mime.types;\n        default_type application\/octet-stream;\n\n        ##\n        # Logging Settings\n        ##\n\n        access_log \/var\/log\/nginx\/access.log;\n        error_log \/var\/log\/nginx\/error.log;\n\n        upstream server_lb {\n            server 192.168.1.100:9000; \/\/9000\u4e3aphp\u7684\u7aef\u53e3\n            server 192.168.1.200:9000;\n            ip_hash;\n        }\n\n\n\n    server {\n        listen       80;\n        server_name  _;\n        #root \/var\/www\/html\/demo\/public;\n        #charset koi8-r;\n\n        try_files $uri $uri\/ $uri.php?$args \/index.php;\n\n        location ~ \\.php$ {\n            fastcgi_pass server_lb;\/\/\u901a\u8fc7fastcgi\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\n            include fastcgi_params;\n        }\n        error_page   500 502 503 504  \/50x.html;\n        location = \/50x.html {\n            root   html;\n        }\n    }\n\t\n}\n<\/pre>\n
 <\/p>\n
\u4e24\u53f0\u670d\u52a1\u5668\u7684nginx\u914d\u7f6e\u4e00\u81f4<\/p>\n
 <\/p>\n
4\uff1a\u5b89\u88c5keepalived<\/p>\n
sudo apt-get install keepalived<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u4e4b\u540e\uff0c\u67e5\u770b\u8fdb\u7a0b\u53d1\u73b0\u5e76\u6ca1\u6709keepalived\u7684\u8fdb\u7a0b\uff0c\u8fd9\u662f\u56e0\u4e3akeepalived\u914d\u7f6e\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u9700\u8981\u7528\u6237\u81ea\u5df1\u521b\u5efa\u4e00\u4e2akeepalived.conf\u6587\u4ef6\u5b58\u653e\u5230\/etc\/keepalived\u76ee\u5f55<\/p>\n
 <\/p>\n
vrrp_script chk_nginx {\n script \"\/etc\/keepalived\/check_nginx.sh\" \/\/\u68c0\u6d4bnginx\u8fdb\u7a0b\u7684\u811a\u672c\n interval 2\n weight 2\n}\n\nglobal_defs {\n notification_email {\n      \/\/\u53ef\u4ee5\u6dfb\u52a0\u90ae\u4ef6\u63d0\u9192\n }\n}\nvrrp_instance VI_1 {\n state MASTER \/\/\u4e3b\u670d\u52a1\u5668\n interface eth0\n virtual_router_id 51 \n mcast_src_ip 192.168.1.100\n priority 250\n advert_int 1\n\n authentication {\n        auth_type PASS\n        auth_pass 123456\n }\n track_script {\n        chk_nginx\n }\n virtual_ipaddress {\n        192.168.1.150\n }\n}\n<\/pre>\n
 <\/p>\n
 <\/p>\n
\u4e24\u53f0\u670d\u52a1\u5668\u7684keepalived.conf\u6587\u4ef6\u9664\u4e86\u4f18\u5148\u7ea7\uff0cstate\u548c<\/span>mcast_src_ip\u4e0d\u4e00\u6837\uff0c\u5176\u4ed6\u7684\u5b8c\u5168\u4e00\u81f4\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u51e0\u70b9\u662f\uff1a<\/span><\/p>\n