On 2019-05-09 14:58:17 -0400 (-0400), Cindy Sue Causey wrote: [...] > For lurking newbies, "apt-cache search virtual machine" brings a > serious laundry list of things going on in Debian, AND I just tripped > over UML (user-mode-linux) a couple days ago. If UML is a chat-able > Mentors topic, I'd sure be happily lurking along with the thread. > > Curiosity, in part, is whether or not UML plays nice with how > Developers do their thing. In other words, is it worth the time to > test drive it to see what it does? > > UML *sounds* interesting if one (cognitively) grasps how to use it. > That doesn't always translate into being worth time spent > self-training when other virtual machine genre packages might > figuratively "blow its doors off" in experienced Users' popularity > contests. :) UML was great ~15 years ago and I used it heavily in production environments. These days KVM is also in the mainline kernel and is superior for virtualization in all ways I'm aware. Folks who want something lighter-weight than KVM are instead going with a combination of chroot, cgroups and network namespaces (this combination often referred to as a "container") for workload isolation. That said, if you're looking to have a Linux VM on a Linux host, UML probably still works. -- Jeremy Stanley
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