how to start learning Linux

Surely ,I am neither expert of Linux nor English language :-)  ,but just in case if we needs to start then below are few suggestion and list will go on

Beginner -https://linuxjourney.com/

Bit advance -www.linuxhomenetworking.com/

Basic part of cloud computing

In very short the cloud computing world there are 3 major parts

1. Computing Part
2. Storage Part 
3. Networking Part 

All others are may be just combination of above 3 .

first post

Hello Java
good article about Java 8 Stream
https://www.geeksforgeeks.org/stream-in-java/