Containers and virtual machines
Unix and Linux config :: Containers :: Clusters :: <link>
^ Container Software
Notes on Docker containerizing software. Note, to get a practical start it is a good and or needed step to create a user account with Docker dot com. Single user and free accounts with some advanced Docker features disabled are available. A good starting tutorial for beginners is written by one Brian Hogan of Digital Ocean, this article published 2018 July 5. First reference in list here:
Ted noting too there may be a daily limit to the number of docker images which a user with a free account can push to Docker's image repository. Docker's image repository provides URLs of the form https://hub.docker.com/u/<user_name>
, where username is the given person's Docker account user name.
Containers, Kubernetes . . .
Not a container per se but a virtual machine software:
^ Oracle Corporation VirtualBox software
VirtualBox on-line manual
-
Some important VM terms include,
- host OS . . . the OS on which VirtualBox software runs
- guest OS . . . the OS which runs inside a VirtualBox VM instance
- virtual machine . . . the hosting environment which VirtualBox creates for given guest OS
- https://www.virtualbox.org/manual/ch04.html
- https://www.virtualbox.org/manual/ch02.html#externalkernelmodules
To set up shared folders in VirtualBox instances, see VirtualBox documentation chapter 4 at the first following URL. There are also some needed steps detailed in same Oracle documentation, chapter 2, second URL here:
To configure port forwarding, for ssh from host OS to guest OS:
Where VirtualBox stores its files . . .