OS Firewall

https://www.cyberciti.biz/faq/set-up-a-basic-iptables-firewall-on-amazon-linux-ami/

process

yum install -y procps

#scripting

yum install python3

java

jinfo

IO

yum install tar

GUI

linux-2-install-gui

Bench

https://www.daemonology.net/blog/2021-08-12-EC2-boot-time-benchmarking.html