Introduction to virtualization

Containerization and Virtualization Concepts

Julia Ostheimer

Freelance AI Consultant

Course goals

• Chapter 1
  • Define virtualization
  • Define containerization
  • Comparing containerization and virtualization

• Chapter 2
  • Explain containerization with Docker
  • Define container orchestration
  • Explain container orchestration with Kubernetes

Computers empowering our lives

• Personal computers in our daily lives

• Servers enabling business applications

¹ Images by istockphoto.com

Components of a computer system

• Hardware
  • Central Processing Unit (CPU)
  • Storage
  • Motherboard
  • Etc.

• Software
  • Operating system (OS)
  • Application software
  • Etc.

Limitations of physical machines

• Costly
• Maintenance and downtime
• Inflexible and hard to scale

Introducing virtual machines

• Abbreviation: VM
• A simulated computer system within another computer
• Each VM operates independently

 

Benefits of virtual machines

• Resource optimization
  • Cost efficiency
  • Sustainability
• Scalability and flexibility
• Isolation and security
• Platform independence

Definition of virtualization

• Process of creating a virtual version of a computer resource
• Full virtualization:
  • Virtualizing the entire computer system
  • Results in VM

Let's practice!

Containerization and Virtualization Concepts