nginx load balancer

Ref: https://youtu.be/9SC1yabcz4k

to install apache server on centos:

systemctl enable httpd
systemctl start httpd
firewall-cmd –permanent –add-service http
firewall-cmd –reload

netstat -nltp

to install apache server on ubuntu: https://ubuntu.com/tutorials/install-and-configure-apache#1-overview

Figlet is for creating sample html design for testing:

yum install figlet

on ubuntu : https://zoomadmin.com/HowToInstall/UbuntuPackage/figlet

figlet cenvm01 > /var/www/html/index.html

To install nginx server and configure the load balancer:

yum install nginx
systemcl enable/start nginx
firewall-cmd –permanent –add-service http
firewall-cmd –reload

vi /etc/nginx/nginx.conf

#HTTP part only in the conf file

http{
upstream lbmysite {
server cenvm01.jungle.kvm;
server cenvm02.jungle.kvm;
}

server {
location / {
proxy_pass http://lbmysite;
}
}
}

systemctl reload nginx
netstat -nltp
firewall-cmd –list-all

host mysite
curl http://mysite