What is cloud computing?
Cloud computing is the delivery of computing resources such as servers, storage, databases, networking and software over the internet.
Instead of purchasing and maintaining physical infrastructure, organizations can use cloud services and pay for the resources they need.
How cloud computing works
Cloud providers operate large data centers containing servers, storage systems and networking infrastructure. Users access these resources through the internet using web interfaces, APIs and other tools.
✦Servers provide computing power
✦Cloud storage stores files and application data
✦Databases store structured application information
✦Networking connects applications and services
✦APIs allow software systems to communicate
Common cloud service models
✦IaaS — Infrastructure as a Service provides virtual servers, storage and networking.
✦PaaS — Platform as a Service provides environments for developing and deploying applications.
✦SaaS — Software as a Service provides complete applications through the internet.
Benefits of cloud computing
✦Scalable computing resources
✦Reduced need for physical infrastructure
✦Flexible pricing based on resource usage
✦Global availability
✦Easier application deployment
✦Backup and disaster recovery options
How to start learning cloud computing
✦01 — Understand servers and networking
✦02 — Learn basic Linux commands
✦03 — Understand virtual machines and containers
✦04 — Learn cloud storage and databases
✦05 — Explore cloud platforms
✦06 — Deploy a simple application
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