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haproxy

sudo apt update && sudo apt -y upgrade
sudo reboot

Install

sudo apt -y install haproxy 

Config

vi /etc/haproxy/haproxy.cfg

# Add to the end
# Define frontend
frontend apache_front
        # Frontend listen port - 80
        bind *:80
        # Set the default backend
        default_backend    kworkers
        # Enable send X-Forwarded-For header
        option             forwardfor
  
# Define backend
backend kworkers                                                                                                                     
        # Use roundrobin to balance traffic
        balance            roundrobin
        # Define the backend servers
        server             kworker210 10.10.2.210:80 check
        server             kworker211 10.10.2.211:80 check
        server             kworker212 10.10.2.212:80 check
        server             kworker213 10.10.2.213:80 check

Restart haproxy

systemctl restart haproxy

HAProxy w/ no Backend