CENTOS7 installation Haproxy

Installing Haproxy

#yum-y install gcc #tar zxf haproxy-1.4.21.tar.gz#mv haproxt-1.4.21 haproxy#make target=linux31 prefix=/usr/loc Al/haproxy installing Haproxy to the specified directory #make install Prefix=/usr/local/haproxy

Configuration   

#安装完后会在安装目录下生成三个目录     doc sbin  share#cd /usr/local/haproxy#vi  haproxy.cfg              #默认没有这个文件, You need to create your own global    maxconn 51200    uid 99    manually  gid 99    daemon    pidfile /usr/local/haproxy/logs/ haproxy.pid        mode http  #默认的模式mode  { tcp|http |health },tcp is level 4, HTTP is 7, and health will only return ok           #retries  2  #两次连接失败就认为是服务器不可用, you can also set           option by the rear  redispatch  #当serverId对应的服务器挂掉后, force directed to other healthy servers            option abortonclose  #当服务器负载很高的时候, automatically end the current queue processing longer links            timeout connect 5000ms  #连接超时           timeout client  30000ms  #客户端超时           timeout server  30000ms  #服务器超时            #timeout  check 2000  #= Heartbeat Detection Timeout           log 127.0.0.1 local0  err #[err warning info debug]           balance roundrobin                       #负载均衡算法   #         option  httplog                          #日志类别, using httplog  #         option  httpclose    #每次请求完毕后主动关闭http通道, Ha-proxy does not support keep-alive, only simulation > implementation of this mode   #        option  dontlognull  #         option  forwardfor   #如果后端服务器需要获得客户端真实ip需要配置的参数, Client ip  listen admin_stats         can be obtained from Http header bind 0.0.0.0:1080  #监听端口           option  httplog  #采用http日志格式           stats refresh  30s  #统计页面自动刷新时间           stats uri /stats   #统计页面url           stats realm Haproxy  manager  #统计页面密码框上提示文本           stats auth  admin:admin  #统计页面用户名和密码设置           #stats  hide-version # Hide Haproxy version information on the statistics page Listen test2 :80       option httpclose        option forwardfor        Server s1 192.168.0.168:80 check weight 1 minconn 1 maxconn 3  check inter 40000       server s2  192.168.0.198:80 check weight 1 minconn 1 maxconn 3 check inter  40000 Start haproxy      /usr/local/haproxy/sbin/haproxy -f  Haproxy.cfg

To access Http://ip:1080/stats, the following interface appears

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Access http://ip:80 to achieve proxy effects.

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CENTOS7 installation Haproxy