To have two version of Debian a stable and a bleeding edge one, in a partition
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To have two version of Debian a stable and a bleeding edge one, in a partition
How is the workaround for having two version of Debian firmly installed, a stable one and a bleeding edge one, in a single partition?
How to succesfully have such with the stable being a main/primary and the latest one is just its minority (so sort of a miniature OS inside another) ?
Then would be sort of: It needs some additional in CLI on launching an app that requires the latest Debian as if it gets into that environment, otherwise would mean launch normally app for stable one environment
How is the workaround for having two version of Debian firmly installed, a stable one and a bleeding edge one, in a single partition?
How to succesfully have such with the stable being a main/primary and the latest one is just its minority (so sort of a miniature OS inside another) ?
Then would be sort of: It needs some additional in CLI on launching an app that requires the latest Debian as if it gets into that environment, otherwise would mean launch normally app for stable one environment
You describe a virtual machine install, the only way to have two installs on one partition. At least I know of no way to switch the kernel, libc6 and all those related files that need to be loaded again, to switch version of the OS on the fly. Look into qemu, virtualbox those types of applications to do what you want.
How is the workaround for having two version of Debian firmly installed, a stable one and a bleeding edge one, in a single partition?
If you are talking about an install to bare metal, as far as I know, there is no way to do this.
You could dual boot them, or, as HappyTux says, install one in a VM hosted by the other, but you cannot have two operating systems coexist in a single partition, just as you cannot have Bourbon and Scotch exist separately in the same tumbler.
As I commented on Stackexchange, where you asked the same question, then removed it for some reason, you can use containers. The Docker hub offers a Debian container, which is available as Sid. I would be surprised if LXD didn't have such a container. Both Do pcker and LXD have methods to run commands in containers.
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