REVVOPS EL2 Linux Version Support Matrix:

Amazon Linux 2 -var 'linux_distro=amazon2'
-l ec2-user
Ubuntu Trusty -var 'linux_distro=trusty'
-l ubuntu
Ubuntu Xenial -var 'linux_distro=xenial'
-l ubuntu
CentOS 6 -var 'linux_distro=centos6'
-l centos

CentOS 7 -var 'linux_distro=centos7'
-l centos
CentOS 7 CPE -var 'linux_distro=centos7cpe'
-l centos
CentOS 8 CPE -var 'linux_distro=centos8cpe'
-l centos
CentOS Stream 8 -var 'linux_distro=centosstream8'
-l centos

Debian 8 Jessie -var 'linux_distro=debian8jessie'
-l admin
Debian 9 Stretch -var 'linux_distro=debian9stretch'
-l admin
Debian 10 Buster -var 'linux_distro=debian10buster'
-l admin
Red Hat Enterprise Linux (RHEL) 6 -var 'linux_distro=redhat6'
-l ec2-user

Red Hat Enterprise Linux (RHEL) 7 -var 'linux_distro=redhat7'
-l ec2-user
Red Hat Enterprise Linux (RHEL) 8 -var 'linux_distro=redhat8'
-l ec2-user
SUSE Linux Enterprise 12 -var 'linux_distro=suse12'
-l ec2-user
SUSE Linux Enterprise 15 -var 'linux_distro=suse15'
-l ec2-user


EL2 will accept the  linux_distro  values shown to launch an instance of the latest AMI of the indicated kind in your specified AWS Region.

Connect to instances with ssh by using the  -l  default ssh username argument values.