In this article
we learn what is HAProxy and how to setup and configure HAProxy on centos 7
server .
What is HAProxy
HAProxy is
a free, very fast and reliable solution which provides high availability ,load
balancing and proxying for the TCP and HTTP based application.
Installtion of HAProxy on centos server
HAProxy
package is available in the default centos repo. To install the HAProxy package
we need to execute the below command.
[root@localhost ~]#
yum install haproxy
 |
| How to install and configure HAProxy on centos 7 step by step guide |
Configuration of HAProxy on centos server
To
configure HAProxy as per our requirement we need to go its configuration file
which is located at “/etc/haproxy/haproxy.cfg”
Sample configure
file as below.
global
daemon
maxconn 256
log 127.0.0.1 local2
defaults
timeout queue 1m
timeout
connect 10s
timeout client 1m
timeout
server 1m
timeout http-keep-alive 10s
timeout
check 10s
listen http 192.168.137.6:80
mode
http
balance
roundrobin
server server1 192.168.137.5:8080
server server2 192.168.137.4:8080
When
any request hits on the ip 192.168.137.6 on port 80 it will be redirected on
server1 and server2 ip addresses along with their respective ports.
And
also we can change our configuration parameter as per our requirement .
Mode:
you can change it either”http” or “tcp” as per requirement.
Balance:
you can change also load balancing method as per requirement.
For
more reference visit: http://haproxy.1wt.eu/download/1.4/doc/configuration.txt
After
configuring all the above stuff we can start the haproxy service and enable it
at startup mode.
#systemctl
start haproxy
#systemctl
enable haparoxy
That’s
all.We have configured haproxy if this article helpful please share it!!
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