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BlankSystemDaemon posted:Hyper-V is embarrassingly bad.
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May 31, 2021 17:31
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Does Azure provision on H-V under the hood or is it running some other hypervisor?
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May 31, 2021 18:40
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It's Hyper-V.
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May 31, 2021 19:02
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Microsoft is working on using linux on as the root partition for hyper-v https://www.theregister.com/2021/02/17/linux_as_root_partition_on_hyper_v/. Eventually Azure will be running linux on bare metal like every other cloud provider.
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May 31, 2021 19:56
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Perplx posted:Microsoft is working on using linux on as the root partition for hyper-v https://www.theregister.com/2021/02/17/linux_as_root_partition_on_hyper_v/. Eventually Azure will be running linux on bare metal like every other cloud provider.
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May 31, 2021 22:26
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Xen and Bhyve spotted.
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May 31, 2021 23:53
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This might be too noobish for this thread, but here goes: Does anyone know of some architectural/system diagrams for virtualization technologies that would help classify some of these things in my mind? Like, I’m running RHEL8, and have KVM installed for my hypervisor. I assume it’s using qemu to emulate some different machine hardware. I’m using cockpit to manage most of it, which is the web front end for a bunch of command line tools and other tools like virsh, virtio, virt-manager (another ui), which are all part of libvirt…? Other hypervisors are included in different platforms that may include their own tools: Xen… virtualbox, VMware… Where does proxmox fit into all of this? Can I use qemu with xen? How about VMware? Will Virt-manager administer VirtualBox VMs? Am I missing any features by choosing kvm over xen? Or proxmox? These are just example questions… I’m mainly asking if there are any good articles, resources or diagrams that lay them all out so I can better answer them myself and understand the trade-offs and what’s compatible/competitor.
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Jun 1, 2021 16:09
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e.pilot posted:Is there a good way to back up proxmox? been using it for about 6 months now and would like to do something just in case. It has a built in snapshot feature that you can send to a Nas and have that cloud upload Edit: and by send I mean save to the nas
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Jun 2, 2021 17:42
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I don't know anything about Promox, but I was looking at it when it was mentioned earlier and it seems like they have a backup server as well. https://www.proxmox.com/en/proxmox-backup-server
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Jun 2, 2021 17:52
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The backup server is probably overkill for homelab but it can dump backups to any NFS share for example. The latest versions also do a nice staggered retention scheme thing
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Jun 2, 2021 19:58
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I may or may not have already asked this, I don't recall, but is there a general containerization or kube megathread for questions or is this it?
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Jun 4, 2021 18:05
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There's a couple of cloud/devops threads in the cavern of cobol https://forums.somethingawful.com/showthread.php?threadid=3791735 https://forums.somethingawful.com/showthread.php?threadid=3695559
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Jun 4, 2021 18:21
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For whatever reason I didn't think to check in the scary programming place. Thanks!
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Jun 4, 2021 18:26
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I just want to say that I love vagrant so much. I know containers are the new hotness but when I have to test our Ansible deployments and I can get a full VM up and running in a few minutes it rules. Spent today messing with triggers and I now get a RHEL box up and running and registered on first up and it removes itself when I destroy.
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Jun 4, 2021 21:56
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I can't tell if this is really basic and I'm missing something, or if there's something complicated I just don't understand, but I'm trying to create a few VLANs for different LAB networks in vSphere and use VyOS to route between them all. If I were doing this physically I'd plug everything into one switch, tag the switchports with VLANs and have VyOS with a trunk uplink and sub-VIF interfaces for each VLAN. For the life of me I can't gather how to accomplish the trunk to a single VyOS VM. I have a vSwitch and it has a number of networks attached to it, each with a different VLAN, but then when I set up VyOS VM I have to choose an actual network for each NIC, I can't just say form a trunk and I'll take care of the network routing myself. I feel like five years ago I would have known how to do this with my eyes closed and now I'm not even sure what to google :| e: Oh wait, do I just create a port group on that vSwitch with VLAN set to 4096 ALL and it'll partake in the traffic from the other portgroup/networks on that vswitch, than uplink the vyos guest to that portgroup some kinda jackal fucked around with this message at 23:38 on Jun 8, 2021 |
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Jun 8, 2021 23:35
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https://kb.vmware.com/s/article/1004252
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Jun 8, 2021 23:38
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Thank YOU! That did the ticket.
some kinda jackal fucked around with this message at 23:49 on Jun 8, 2021 |
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Jun 8, 2021 23:40
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Is it possible for virtualbox and hyper-v to talk to each other?
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Jun 29, 2021 02:20
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Woof Blitzer posted:Is it possible for virtualbox and hyper-v to talk to each other? Hypothetically yes, might be able to bridge the Virtual Switches/Network Adapters or even put Virtualbox on the Hyper-V Virtual Switch. I've done it before, but it was several years ago. Might try tonight.
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Jun 29, 2021 02:41
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CommieGIR posted:Hypothetically yes, might be able to bridge the Virtual Switches/Network Adapters or even put Virtualbox on the Hyper-V Virtual Switch. Oh my god I'm an idiot I'll try this tomorrow.
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Jun 29, 2021 02:51
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Woof Blitzer posted:Oh my god I'm an idiot I'll try this tomorrow. Success! The host received a DHCP reservation. So it turns out Hyper-V and Virtualbox can coexist which is great as all the boxes I downloaded from VulnHub are .ova format.
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Jun 29, 2021 15:14
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Woof Blitzer posted:Success! The host received a DHCP reservation. So it turns out Hyper-V and Virtualbox can coexist which is great as all the boxes I downloaded from VulnHub are .ova format. Another option is to convert the VMDK to VHDs and they should be bootable from HyperV directly.
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Jun 29, 2021 15:23
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CommieGIR posted:Another option is to convert the VMDK to VHDs and they should be bootable from HyperV directly. I thought the Microsoft conversion tool was retired?
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Jun 29, 2021 16:05
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Woof Blitzer posted:I thought the Microsoft conversion tool was retired? Yeah cause they moved it to build into the fabric: https://docs.microsoft.com/en-us/system-center/vmm/vm-convert-vmware?view=sc-vmm-2019
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Jun 29, 2021 17:49
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The question that prompted this got me thinking: I do wish there was a abstraction framework that could multiplex several hypervisors on the same hardware, when they all use hardware-accelerated virtualization (ie. VMENTER/VMEXIT with SLAT). As it is, when you've got one type-2 hypervisor running, you can only launch additional instances of that hypervisor. You can't, as an example, have bhyve, xen, and virtualbox interchangably, nor can you live migrate between them. In that sense it seems like there's still a lot of work to be done, but I think there's very little hope for an open standard for either the abstraction nor the API for live migration. BlankSystemDaemon fucked around with this message at 07:44 on Jun 30, 2021 |
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Jun 30, 2021 07:41
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BlankSystemDaemon posted:The question that prompted this got me thinking: I do wish there was a abstraction framework that could multiplex several hypervisors on the same hardware, when they all use hardware-accelerated virtualization (ie. VMENTER/VMEXIT with SLAT). Yeah no chance on an API or abstraction layer. Too much money involved.
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Jul 6, 2021 17:07
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BlankSystemDaemon posted:The question that prompted this got me thinking: I do wish there was a abstraction framework that could multiplex several hypervisors on the same hardware, when they all use hardware-accelerated virtualization (ie. VMENTER/VMEXIT with SLAT). A while ago I was trying to use Virtualbox and I was getting weird errors that eventually tracked back to the fact that I'd installed HyperV at one point, wanting to give it a try. Apparently HyperV is always running and if you have HyperV installed then it hogs the VT-d hooks so no other VM implementation is allowed to use them. Wasn't Microsoft looking at using HyperV sandboxes by default for windows applications at some point? Not sure how that is supposed to work with other VM servers going. My understanding is that nested VT-d ("VMs inside VMs") actually does work properly so maybe the solution is to have Virtualbox register itself as a VM inside HyperV if it sees that HyperV is already installed. That seems like the "abstraction framework" we're seeking imo.
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Jul 9, 2021 23:07
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Paul MaudDib posted:A while ago I was trying to use Virtualbox and I was getting weird errors that eventually tracked back to the fact that I'd installed HyperV at one point, wanting to give it a try. Apparently HyperV is always running and if you have HyperV installed then it hogs the VT-d hooks so no other VM implementation is allowed to use them. HyperV is actively used for sandboxing apps in some cases right now, and Microsoft has said they are going to use HyperV to do security features more in the future.
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Jul 9, 2021 23:15
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You're thinking of Windows Defender Application Guard, which makes use of HyperV to sandbox quite a few things, including the Edge browser - it also underpins Windows Sandbox, I think.
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Jul 10, 2021 07:49
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Paul MaudDib posted:A while ago I was trying to use Virtualbox and I was getting weird errors that eventually tracked back to the fact that I'd installed HyperV at one point, wanting to give it a try. Apparently HyperV is always running and if you have HyperV installed then it hogs the VT-d hooks so no other VM implementation is allowed to use them. Since version 6.0 VirtualBox has been able to use the "Windows Hypervisor Platform" on Win10 1803+ to be coexist with Hyper-V.
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Jul 10, 2021 15:21
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Hi thread. I have a windows 10 PC, 9900k, 2080ti, 32gb DDR4 ram. Is it feasible to use a VM so that I can have someone playing a VR game while someone else uses the screens to play a relatively low GPU/CPU demand game? Thanks. I've never done anything with VM before but I'm otherwise a pretty techy goon.
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Jul 16, 2021 00:13
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Technically, you could do it without a VM. Nothing says you can't run two apps at the same time. I think your biggest hurdle might be separating inputs. Hard to tell something to use a keyboard in one app but not another. Same with mouse or controllers. Maybe someone else can think of a way.
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Jul 16, 2021 05:13
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Multi-seat configurations (invented for IRIX by SGI, if memory serves) isn't natively supported in Windows, but there are third-party solutions that make it possible.
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Jul 16, 2021 09:16
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I've never used it before but maybe something like Aster would do what you're looking for: https://www.ibik.ru/
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Jul 16, 2021 17:55
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Thanks guys. Some stuff to read up on it seems.
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Jul 16, 2021 18:21
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BlankSystemDaemon posted:Multi-seat configurations (invented for IRIX by SGI, if memory serves) isn't natively supported in Windows, but there are third-party solutions that make it possible. It’s supported natively up to windows server 2016 as multipoint server, it was EoL on 2019 due to the introduction of azure desktops and windows 10 enterprise multi-session(formerly EVD). The biggest hurdle is that the 3D support might not be the best for games.
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Jul 16, 2021 18:54
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SlowBloke posted:It’s supported natively up to windows server 2016 as multipoint server, it was EoL on 2019 due to the introduction of azure desktops and windows 10 enterprise multi-session(formerly EVD). The biggest hurdle is that the 3D support might not be the best for games.
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Jul 16, 2021 19:06
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VelociBacon posted:Hi thread. I have a windows 10 PC, 9900k, 2080ti, 32gb DDR4 ram. Is it feasible to use a VM so that I can have someone playing a VR game while someone else uses the screens to play a relatively low GPU/CPU demand game? Thanks. I've never done anything with VM before but I'm otherwise a pretty techy goon. It's cleaner if you do one discreet video card and usb controller per vm, for a while I booted fedora on intel igpu, windows 10 vm with a 2080 and a osx vm on a Rx 570 and I could use all 3 at once. It's also possible to share your 2080ti with multiple vms but you'd lose video out, you'd have to use a bunch of steamlinks or something for that. Now I proxmox because its basically built for edge cases like this.
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Jul 16, 2021 19:30
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BlankSystemDaemon posted:Well colour me surprised. Windows Enterprise Multi-Session is just Windows Terminal Server 2019 R2, but available only on Azure. It has all the same compatibility issues TS has always had.
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Jul 18, 2021 07:02
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Got my hands on some more RAM for my Xenserver cluster!
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Jul 20, 2021 04:56
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