Instal Fleetssl
# CentOS, RHEL, AlmaLinux, and other EL derivatives
wget https://cpanel.fleetssl.com/static/letsencrypt.repo -O /etc/yum.repos.d/letsencrypt.repo ;
yum -y install letsencrypt-cpanel
# Ubuntu 20.04
wget -qO - https://cpanel.fleetssl.com/downloads/packaging.key | sudo apt-key add - ;
echo 'deb https://r.cpanel.fleetssl.com/ubuntu focal main' > /etc/apt/sources.list.d/fleetssl.list ;
apt-get update && apt-get -y install letsencrypt-cpanel ;
# Post-Installation
le-cp self-test
Akhmad Qasim