[Cloud_Training] HAProxy

Firstly, set and test DNS

yum install -y bind bind-utils bind-libs

Install tool such nslookup, ifconfig, etc.

vi /etc/named.conf

Modify like this.

vi /etc/named.rfc1912.zones

cd /var/named/

cp named.localhost louie.com.zone

vi louie.com.zone

Copy DNS config file and revise file copied.

cd ..

chmod 755 -R named/

give authorize.

service named start

Test DNS

Complete DNS server.

Install and set HAProxy

yum install -y haproxy

vi /etc/haproxy/haproxy.cfg

Input inner port 4331 in firewall.

First I learned need to firewall port, however, it is not effect on haproxy.

vi /var/named/louie.com.zone

modify proxy server IP.

service named restart

service haproxy restart

erase DNS data in client.

check DNS data.

Look at same URL, just press F5 button.

HAProxy distribute alternately.