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Tagged with virtualization or virtual-machine
1,732 questions
1 vote
0 answers
25 views
How to step over an "int 3" on x86_64 with KVM?
On the x86 platform, the int 3 instruction causes a breakpoint trap. For KVM, the Virtual CPUs can be configured to exit to the hypervisor on this trap, by enabling the flags KVM_GUESTDBG_ENABLE and ...
- 11
0 votes
1 answer
34 views
How can I configure VirtualBox network settings so multiple Linux VMs can communicate locally?
I am setting up several Linux virtual machines in VirtualBox to practice for the RHCSA exam. I want them to communicate with each other for testing networking commands such as ping, ssh, and file ...
0 votes
0 answers
24 views
How to solve the prompt "internal error" when running a virtual machine on VMware Fusion on MacBook Pro?
error info: Several virtual machines are installed in VMware Fusion, including Windows 10, CentOS, Ubuntu, etc., and all of them report this error when running. Configuration details are as follows: ...
1 vote
1 answer
54 views
Space Issue on Elementary OS
I set up Elementary OS on a virtualbox VM for testing. When I did so I only selected 20 gb drive size. It didn't take long to fill that up because for some reason the LVM was set for ~16 gb. I resized ...
- 13
1 vote
1 answer
125 views
cloud-init tailscale setup fails due to missing /dev/net/tun
I want to provision a VM in proxmox with cloud-init, such that tailscale will be set up and running on first boot. The image I use is alpine 3.22.1 (nocloud_alpine-3.22.1-x86_64-uefi-cloudinit-r0....
- 23
0 votes
0 answers
41 views
Is a raw file created by qemu-img the same as a -flat.vmdk file in VirtualBox?
I'm trying to serve an image using PXE and I just want to make sure that if I convert a .qcow2 file into a raw file, that's the same as creating a fixed-size -flat.vmdk file in VirtualBox, because ...
- 101
3 votes
1 answer
417 views
What's the difference between "QEMU/KVM" and "QEMU/KVM user session" in Virtual Machine Manager?
I just installed "Virtual Machine Manager" from Discover (flatpak) and I'm trying to learn how it works. When I'm adding a connection, then it gives me two options: "QEMU/KVM" and &...
0 votes
0 answers
49 views
Cannot get display output back on vmware console after debian upgrade
I have a virtual machine with a GPU passed through via PCI for transcoding. No displays are connected to this GPU. I at one point had everything working and was able to access the desktop via the ...
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