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sudo apt-get update
sudo apt-get install ipvsadm keepalived

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sudo ipvsadm -A -t 192.168.1.100:80 -s rr
sudo ipvsadm -a -t 192.168.1.100:80 -r 192.168.1.101:80 -m
sudo ipvsadm -a -t 192.168.1.100:80 -r 192.168.1.102:80 -m

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sudo service ipvs start

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sudo apt-get update
sudo apt-get install nginx

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sudo nano /etc/nginx/conf.d/load_balancer.conf

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upstream backend {
    server 192.168.1.101:80;
    server 192.168.1.102:80;
}

server {
    listen 80;
    location / {
        proxy_pass http://backend;
    }
}

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sudo service nginx restart

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sudo apt-get update
sudo apt-get install ipvsadm keepalived

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sudo ipvsadm -A -t 192.168.1.100:80 -s rr
sudo ipvsadm -a -t 192.168.1.100:80 -r 192.168.1.101:80 -g
sudo ipvsadm -a -t 192.168.1.100:80 -r 192.168.1.102:80 -g

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sudo service lvs start

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