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CentOS6.5 安装HAProxy 1.5.20
【在CentOS下安装haproxy】
sudo yum install haproxy
编辑配置文件 vim /etc/haproxy/haproxy.cfg
#---------------------------------------------------------------------# Example configuration for a possible web application. See the# full configuration options online.## http://haproxy.1wt.eu/download/1.4/doc/configuration.txt##---------------------------------------------------------------------#---------------------------------------------------------------------# Global settings#---------------------------------------------------------------------global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the ‘-r‘ option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats#---------------------------------------------------------------------# common defaults that all the ‘listen‘ and ‘backend‘ sections will# use if not designated in their block#---------------------------------------------------------------------defaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000#---------------------------------------------------------------------# main frontend which proxys to the backends 前端端口5000,规则url路径,静态文件名#---------------------------------------------------------------------frontend main *:5000 acl url_static path_beg -i /static /images /javascript /stylesheets acl url_static path_end -i .jpg .gif .png .css .js use_backend static if url_static default_backend app#---------------------------------------------------------------------# static backend for serving up images, stylesheets and such 后端静态文件服务器#---------------------------------------------------------------------backend static balance roundrobin server static 192.168.0.27:80 check#---------------------------------------------------------------------# round robin balancing between the various backends 后端动态文件服务器#---------------------------------------------------------------------backend app balance roundrobin server app1 192.168.0.27:80 check server app2 192.168.0.28:80 check
sudo service haproxy restart
【在CentOS下安装apache】
CentOS的软件管理程序是yum（这里使用的CentOS是Azure上提供的CentOS 6.3）。
首先还是安装Apache。
sudo yum install httpd
与openSUSE类似，安装完需要自己手动配置服务自启动。
sudo chkconfig --levels 235 httpd on然后立即启动Apache服务。
sudo /etc/init.d/httpd start现在再用浏览器访问服务器地址就可以正常访问Http服务器了。
CentOS6.5 安装HAProxy 1.5.20
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