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Session-01 @ 03/09/2022
======================
AWS + Linux Basics + DevOps
==================================
90 Hours
Sat-Sun 12:30PM IST
=================
Topics:
-----
1) Virtulaization Technolgy
This enables IT organizations to run more than one virtual system –
and multiple operating systems and applications – on a single server.
typ1-Bare Metal
===============
The Type 1 hypervisor doesn't have to load an underlying OS. With direct access to the underlying hardware and
no other software -- such as OSes and device
type2-Hosted
============
A Type 2 hypervisor is typically installed on top of an existing OS. It is sometimes called a hosted hypervisor because it relies on the host machine's
preexisting OS to manage calls to CPU, memory, storage and network resources.
2) About Cloud Computing:
======================
Cloud computing is a process to allow on-demand network access to shared computing resources.
on-demand: you use it when you need it
n/w access :internet
shared computing resources: Memory, Storage...
Cloud computing is shared and access the data over internet.
=====================================================================
3) Types of Clouds
=====================
a) public cloud: AWS, Azure,GCP & Alibaba
b) private cloud: with in organization ex: sbi --meghadoot
c) Hybrid cloud: Hybrid cloud is IT infrastructure that connects at least one public cloud and at least one private cloud.
3) Types of Service Models
===============================
IAAS: aws
PAAS: Elastic Beanstalk
SAAS: Example. Amazon lightsail, Google’s G Suite
shared-responsibility-model
===========================
Link: https://aws.amazon.com/compliance/shared-responsibility-model/
AWS Global Infrastructure:
===========================
Region, Availability Zone & Edge locations
Link: https://aws.amazon.com/about-aws/global-infrastructure/
What is a Region
geographical location ex: Mumbai
Availability Zone- data centres which contains physcial resources
Edge locations are AWS data centers designed to deliver services with the lowest latency possible.
Creation of a Free tier AWS account:
AWS Free tier account creation link: https://aws.amazon.com/premiumsupport/knowledge-center/create-and-activate-aws-account/
like creation of a gmail a/c
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
-gmail
-debit/credit=>Visa/master card
Rs.2 will deduct for verification, Once done verification,AWS will return the 2Rs.
=========================