This is the official link that describes how to install ibmcloud command line :https://cloud.ibm.com/docs/cli?topic=cli-install-ibmcloud-cli summary for linux:
Category: HOWTO
Check Your AIX LPAR
Very useful script to check LPAR credits (Henrik Morsing)
Linux UFW Tech-note
To check firewall status in an UBUNTU machine Check rules by number Delete rule by number