You Ever Wonder Why We're Here? - Sarah Christoff, Cloudreach (Beginner Skill Level)
summary
A quick tour from 1960s mainframes to modern orchestration that states the concrete differences: virtual machines emulate hardware via hypervisors and binary translation, while containers are processes using namespaces and cgroups. Lists the toolchain: Docker → containerd + runc for runtimes, Kubernetes as a scheduler ("Kubernetes is a babysitter"), and alternatives like Swarm (scales to ~1,000 nodes) and Nomad. Advises to containerize applications but virtualize systems; not everything belongs in a container.
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chapters (11)
- 0:00Start
- 2:12Time Sharing
- 2:45History
- 3:58Software Virtualization
- 4:20What Is a Vm
- 5:41What Is the Privilege Instruction
- 12:09Breaking Down Docker
- 13:32Namespaces
- 14:15Ipc Namespace
- 16:08Key Takeaways from the Container
- 17:49Nomad
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