[PLUG-TALK] Setting up new virtual machines on Linux - Why not KVM?

Denis Heidtmann denis.heidtmann at gmail.com
Mon Dec 31 20:22:54 PST 2018

I am not using KVM because I do not know anything about it.  Ignorance, in
general, leads many less than optimum choices.


On Sun, Dec 30, 2018 at 2:11 PM Tomas K <tomas.kuchta.lists at gmail.com>

> There has been quite a few post about how to get VirtualBox working on
> various Linux distributions. I cannot recall any post asking for help
> with KVM (or bHyve!).
> I find this somewhat distorted state/community - I would expect more
> interest in and more issues with KVM in general Linux user population.
> --> KVM is native and mature virtualization solution on Linux; it is in
> many ways superior to current virtualBox's para virtualization. KVM's
> good, but in depth documentation and GUI fragmentation should generate
> more problems and questions. And, without exacerbation, most of the
> world's virtual machines probably run on KVM. ==> There is more future
> potential in KVM on Linux than in anything else.
> --> Most of the VirtualBox post here were because people needed new
> host for old virtual machine image - so these absolutely needed
> VirtualBox for legacy reason.
> --> Few people were looking for VirtualBox to setup new virtual
> machines. I imagine their reason was due to relatively decent and up to
> date vBox GUI. This has some merit, but there are relatively OK GUIs
> and documentation for KVM.
> --> There were even some posts discussing 100% closed proprietary
> VmWare. So, clearly, this PLUG community seems to be voting for
> anything, but KVM.
> I have no issues with VirtualBox - I use it on legacy VM's myself - its
> performance and future potential is not great though - especially in
> respect to I/O (disk, network, ...) See the I/O related benchmarks,
> which inspired me to write this post:
> https://www.phoronix.com/scan.php?page=article&item=virtualbox-60-kvm&n
> um=1
> <https://www.phoronix.com/scan.php?page=article&item=virtualbox-60-kvm&num=1>
> I suspect that the lack of perfect KVM GUI and difficulty to google up
> decent documentation maybe not be the real reason. After all, many
> people are willing to spent months on installing Slackware, other
> exotic/fringe distributions or setting up basic things by quite awkward
> and labor intensive ways.
> So, if you are still reading and have a few minutes to burn:
>  --> Why are you not using KVM? <--
>  --> Are you KVM user with no reason to write about it? <--
>  --> Is your HW too old for KVM? <--
>  --> No idea what is KVM? <--
> Please do not tell - what attracts you to virtualBox or vmWare - this
> is about KVM only.
> Happy New Year,
> Tomas
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