02-12-2020, 12:15 PM
(02-12-2020, 11:59 AM)ppppenguin Wrote: I had to look up containers. From what I can see, they are a means of creating mutliple, apparently separate, instances of the host OS. Rather than a different guest OS which is what (Type 2) VMs can do. Which are different again to bare metal or Type 1 hypervisors where there is no host OS.
Nope. Containers are isolated views onto the host OS with a joined file system. Individual applications are delivered and managed in their own container which contains everything for that app - as the file systems overlay each other, removing, turning off, updating or otherwise managing an app is easy and in complete isolation from other apps on the host.
Containers are extremely cool. See OS level virtualisation and read up about Docker and its friends (Kubernetes & Swarm etc.)
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