Creating a new Loadbalancer

Installation of haproxy

sudo apt update

sudo apt install --no-install-recommends software-properties-common

sudo add-apt-repository ppa:vbernat/haproxy-2.4 -y

sudo apt install haproxy=2.4.\*

HAProxy version should be 2.4

haproxy -v

Create a backup copy of haproxy.cfg

mv /etc/haproxy/haproxy.cfg{,.original}

mkdir /etc/letsencrypt
mkdir /etc/letsencrypt/live

mkdir /etc/haproxy/maps

Then go to the KhaCloud's servers section and insert the haproxy configurations to the new created loadbalancer (You will usually copy the same configurations from another loadbalancer)

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To test a specific haproxy configuration without crashing the running version run

haproxy -f /etc/haproxy/haproxy.cfg -c