https://wiki.r00tedvw.com/index.php?action=history&feed=atom&title=Oracle_Linux%2FHAProxy 2026-05-02T05:30:42Z Revision history for this page on the wiki MediaWiki 1.19.2 https://wiki.r00tedvw.com/index.php?title=Oracle_Linux/HAProxy&diff=2957&oldid=prev 2020-02-17T19:43:36Z

<p>Created page with &quot;=Installing= Install HA Proxy is very simple if you are ok with the current version available through the repos. &lt;nowiki&gt;~$ sudo yum install -y haproxy ~$ haproxy -v HA-Proxy...&quot;</p> <p><b>New page</b></p><div>=Installing=<br /> Install HA Proxy is very simple if you are ok with the current version available through the repos.<br /> &lt;nowiki&gt;~$ sudo yum install -y haproxy<br /> ~$ haproxy -v<br /> HA-Proxy version 1.5.18 2016/05/10<br /> Copyright 2000-2016 Willy Tarreau &lt;willy@haproxy.org&gt;&lt;/nowiki&gt;<br /> =Configuration=<br /> For this example i'm doing a simple least connection configuration, which means haproxy will hand the connection off to the backend server with the least number of connections.<br /> &lt;nowiki&gt;~$ sudo vim /etc/haproxy/haproxy.cfg<br /> #---------------------------------------------------------------------<br /> # Example configuration for a possible web application. See the<br /> # full configuration options online.<br /> #<br /> # http://haproxy.1wt.eu/download/1.4/doc/configuration.txt<br /> #<br /> #---------------------------------------------------------------------<br /> <br /> #---------------------------------------------------------------------<br /> # Global settings<br /> #---------------------------------------------------------------------<br /> global<br /> # to have these messages end up in /var/log/haproxy.log you will<br /> # need to:<br /> #<br /> # 1) configure syslog to accept network log events. This is done<br /> # by adding the '-r' option to the SYSLOGD_OPTIONS in<br /> # /etc/sysconfig/syslog<br /> #<br /> # 2) configure local2 events to go to the /var/log/haproxy.log<br /> # file. A line like the following can be added to<br /> # /etc/sysconfig/syslog<br /> #<br /> # local2.* /var/log/haproxy.log<br /> #<br /> log 127.0.0.1 local2<br /> <br /> chroot /var/lib/haproxy<br /> pidfile /var/run/haproxy.pid<br /> maxconn 4000<br /> user haproxy<br /> group haproxy<br /> daemon<br /> <br /> # turn on stats unix socket<br /> stats socket /var/lib/haproxy/stats<br /> <br /> #---------------------------------------------------------------------<br /> # common defaults that all the 'listen' and 'backend' sections will<br /> # use if not designated in their block<br /> #---------------------------------------------------------------------<br /> defaults<br /> mode http<br /> log global<br /> option httplog<br /> option dontlognull<br /> option http-server-close<br /> option forwardfor except 127.0.0.0/8<br /> option redispatch<br /> retries 3<br /> timeout http-request 10s<br /> timeout queue 1m<br /> timeout connect 10s<br /> timeout client 1m<br /> timeout server 1m<br /> timeout http-keep-alive 10s<br /> timeout check 10s<br /> maxconn 3000<br /> <br /> #---------------------------------------------------------------------<br /> # main frontend which proxys to the backends<br /> #---------------------------------------------------------------------<br /> #frontend main *:5000<br /> # acl url_static path_beg -i /static /images /javascript /stylesheets<br /> # acl url_static path_end -i .jpg .gif .png .css .js<br /> <br /> # use_backend static if url_static<br /> # default_backend app<br /> <br /> #---------------------------------------------------------------------<br /> # static backend for serving up images, stylesheets and such<br /> #---------------------------------------------------------------------<br /> #backend static<br /> # balance roundrobin<br /> # server static 127.0.0.1:4331 check<br /> <br /> #---------------------------------------------------------------------<br /> # round robin balancing between the various backends<br /> #---------------------------------------------------------------------<br /> #backend app<br /> # balance roundrobin<br /> # server app1 127.0.0.1:5001 check<br /> # server app2 127.0.0.1:5002 check<br /> # server app3 127.0.0.1:5003 check<br /> # server app4 127.0.0.1:5004 check<br /> <br /> # [HTTP Site Configuration]<br /> listen http_web 0.0.0.0:80<br /> mode http<br /> balance leastconn # Load Balancing algorithm<br /> option httpchk<br /> option forwardfor<br /> server apache01 rncv-apache01.virtual.local:80 weight 1 maxconn 512 check<br /> server apache02 rncv-apache02.virtual.local:80 weight 1 maxconn 512 check&lt;/nowiki&gt;</div>

R00t