In any environment it is important to have visuals over your entire networks to alert you to any potential security risk.
A great opensource option is Pandora FMS which provides an easy to use browser console for easy monitoring.
If you work in a Hybrid Cloud environment Pandora can be used to monitor both cloud servers as well as local.
Easy to follow install instructions can be found here:
A couple of extra steps I had to complete when installing on an Amazon EC2 instance:
sudo vim /etc/php/7.2/cli/php.ini
max_input_time = -1
max_execution_time = 0
upload_max_filesize = 800M
memory_limit = 500M
Setting up agents is also a breeze, I followed this easy to follow guide once again by TecMint: