Virtual Machines

What are the 5 different companies and their VM template formats?

Microsoft: VM Template

VMware: .vmx .vmdk,

OVF/OVA

Cloud: JSON/YAML

Container: OCI/Docker (JSON)

What is bootstrapping?

Automated process of provisioning a VM with unique settings and configs

What are the 2 popular bootstrapping technologies?

Cloud-init, anaconda+kickstart

What file stores the cloud-init configuration?

/etc/cloud/cloud.cfg

What is anaconda?

An installation program that guides the installation process

What does kickstart do?

Automates the anaconda installation process

What are the 2 disk configuration methods?

Thick and thin

What is the difference between thick and thin provisioning?

Thick pre-allocates all the specified storage space, while thin allocates only what the system needs

What are the 2 Virtual disk volume boot options?

Persistent and non-persistent

What are the 3 popular VM management tools?

libvirt, virsh, vmm

What are the 3 config stages used by cloud-init?

init, config, final

What is an OVA?

A single file that has all the files that make up an OVF using TAR