Grooming Classroomnotes 08/Mar/2023

Hypervisor

This refers to servers/DataCenters maintained by organizations who build applications.
To ensure the BCDR (Business Continuity and Disaster Recovery) organizations opt for redundancy
These Redundant Datacenters should have very high speed connectivity b/w them

So far our discussion was around maintaining physical servers.
Amazon Web Services Launched By AWS shared their first service S3 (Simple Storage Service)
Terms:
- Service: This is offering from the Cloud Services Provider to realize some infrastructure/application need.
- Resource: Using the service what we create is Resource. You will generally be charged for using the Resources
- Cloud Services Provider: This is an organization who provides services to realize applications (AWS, Azure, GCP, Ali Cloud)
- Cloud Services Consumer: This is organization/individual who is creating resources.
- On Demand: This refers to creation of resources whenever there is a need and all we have is a valid account and internet conection.
- Pay as You Go: This refers to paying the monthly bills based on usage
- Metered Service: Every Service is metered i.e. your usage will be tracked based on resource usage.
Tenancy: This refers to an hardware asset and customers we serve using that
- Single Tenancy: This refers to serving single tenants (organization) on the same hardware
- Multi Tenancy: This refers to serving multiple tenants (organization) on the same hardware
As of now Cloud is all about using someone else’s Hardware/Computer/Server

Chocolatey: This is a package manager for windows Refer Here
- Open Powershell as Admin
- Set-ExecutionPolicy Unrestricted
- Installation: Refer Here
Homebrew: This is package manager for mac Refer Here
- Open terminal and paste /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
- verify brew --version