Questions tagged [virtualization]
Questions about Virtualizing Ubuntu or virtualizing other operating systems within Ubuntu.
2,170
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A responsive live desktop 21.04 image produces a slow VM image
When I boot up a live desktop ISO in Virtual Machine Manager (kvm/qemu), the live system is super snappy and when I look at the "Resources" in the System monitor the 4 supplied cores are ...
0
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0
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664
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How to create a shortcut of a remote folder?
I have ubuntu-server running in VirtualBox. This VirtualBox is running on (L)ubuntu 20.04.
I want to create a shortcut for a folder present inside ubuntu-server within VirtualBox. I want to be able to ...
0
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0
answers
142
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SR-IOV with Qualcomm adapter
I have a Lenovo laptop with Ubuntu-20.04 installed. The lspci command shows the following.
lspci | grep Ethernet
01:00.0 Ethernet controller: Qualcomm Atheros AR8152 v2.0 Fast Ethernet (rev c1)
Most ...
2
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0
answers
377
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Citrix workspace has wrong keys in guest OS (Windows)
I have a regular en-US keyboard. Most keys (alphabets and numerals) work fine in Windows, except for few symbols like
Key I type
Key echoed
/
#
< (shift + ,)
\
> (shift + .)
|
? (shift + /)
...
0
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1
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191
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How can I create Ubuntu bionic or focal Vm's using Vmbuilder tool?
The project I've been working on uses VmBuilder (https://launchpad.net/vmbuilder) tool to create custom Xenial images that were then packaged into ovf using ovftool to run on VmWare Exsi hypervisor.
...
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0
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202
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Ubuntu Server 21.04, GNOME Desktop in VMware: Terminal Font Problem
I have installed Ubuntu Server 21.04 and GNOME desktop in a VMware Player virtual machine (VM) on a Windows 10 host. The desktop seems normal otherwise, but in Terminal I have a weird font:
...
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189
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ROCm Outputs Hotplug Support Error When I Start a Single GPU Passthrough VM
I am using scripts to manage the host-to-guest and vise versa transitions; the repo link is here.
I followed this guide by Niteshade to setup my computer. He has a shortened version of his guide in ...
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0
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171
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Attempted Ubuntu Minimal via Ubuntu Server + GNOME: VM Barely Responsive
In a VMware Player virtual machine (VM) on a Windows 10 host, I followed a suggestion to achieve something like Ubuntu Minimal by installing Ubuntu Server 21.04 and then running a command to install ...
1
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1
answer
1k
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Ubuntu MATE: How to enter and exit full screen view using key combination in virt-manager?
Is there a key combination to enter and exit fullscreen view in virt-manager, while a virtual machine is running, and its window open?
Obviously I can enter or exit using mouse:
To enter: Click View &...
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0
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295
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Use Docker on a systemd disabled VM
I am provided by a VM running Ubuntu 18.04.5 LTS which has systemd disabled.
I have root access on it.
I am trying to run docker on it which is installed but I get error
Cannot connect to the Docker ...
0
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1
answer
222
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I need to know how to set up an old computer to be a multiple instance Ubuntu Server
This may sound quite ignorant, I'm not by any means an expert on this subject, so forgive me if I ask something that's quite easy for you all.
I've been searching for multiple instances I need for a ...
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1
answer
1k
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Unable to maximise Full-screen with proper quality on VM
I recently installed ubuntu on a Virtual Machine on Windows.
It works perfectly fine, except that I can only use it in the minimized version.
Several attempts to resolve this issue have been made by ...
0
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1
answer
64
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What's the proper command that generates a specific route that I should add to ubuntu?
I'm trying to understand why there aren't any linux vm that can connect to internet if emulated with bhyve (it's level 2 hypervisor which run on freebsd 13). Instead,if I use vm-bhyve (a wrapper for ...
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1
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1k
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Guest can't access internet in KVM NAT
Guests can't access internet in KVM NAT network. Guest can't ping host, the home router and other hosts on the lan but can't access website or ping DNS like 1.1.1.1 or 8.8.8.8
Step to reproduce:
On a ...
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0
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290
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Why Can't dd Create a Bootable ISO from an Ubuntu VM?
I have an Ubuntu 21.04 guest in VirtualBox, on either Linux or Windows hosts. I can run dd (from that guest or from some other boot in the VM) to create an image of the guest, or to clone it to an ...
3
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Ubuntu 21.04 (64-bit) fails to boot on QEMU raspi3 machine
I'm trying to launch prebuilt Ubuntu for Raspberry Pi on QEMU and I managed to do that successfully with 20.04.2 by following steps below.
Download the image
https://ubuntu.com/download/raspberry-pi -&...
2
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1
answer
2k
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Virt-manager OpenGL (virgil) acceleration gets only 1/4 of screen
I'm trying to use virgil OpenGL acceleration on ubuntu 20.04.2 both host and guest, but I get only 1/4 of the screen no matter what I do:
It's an intel i7 11th gen, Iris Xe GPU (Dell XPS 13)
UPDATE: ...
3
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1
answer
1k
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How to make Oracle VM Virtual Box full screen?
These are my settings:
This is how I see my screen:
I have tried each vga option from dropdown but nothing helps
Scale factor does not help because it looks ugly.
AM I missing something? How to ...
0
votes
0
answers
850
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How to configure Ubuntu Server instance under Parallels to have a repeatable ip address
I'm trying to learn how to use Ansible using Parallels on my macbook pro. I have a target Ubuntu 20 server vm running under parallels. But I would like to have either a static ip address or hostname, ...
2
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1
answer
675
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How to enable virtualization Acer aspire e1-531
I'm trying to enable virtualization for genymotion on my Acer aspire e1-531. It doesn't have the advance option in bios and all solutions I've seen are for Windows 🥺
Result of lscpu
Architecture: ...
3
votes
1
answer
387
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Real time file sizes?
In order to take a look at the sizes of my VM disk images, I tried ls -lh (as it was suggested here). And here is what it returned:
leo@ubuntu:~$ sudo ls -lh /var/lib/libvirt/images
total 65G
-rw-----...
1
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1
answer
681
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How does one make a GPU in a brand new ubuntu 20.04 VM usable?
I've been trying all day to have this (v100) GPU working on a new ubuntu VM. I tried installing the drivers and rebooting and also purging/uninstalling everything to do with nvidia but none of these ...
0
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1
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1k
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How to recover host disk space? Lost with KVM running out of memory while adding and removing virtual disks wtih Virtual Machine Manager
While using KVM and the Virtual Machine Manager, I discovered I was running out of disk space, while doing the following:
Virtual Machine Manager, Details view, select VirtIO Disk 1, right click and ...
1
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0
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1k
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"Failed to download" when creating new virtual maching in gnome boxes
so I just installed gnome-boxes on Ubuntu 20.04 LTS. When I click on the top left corner (the plus icon) and click "create new virtual machine", I select one of the "featured downloads&...
0
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1
answer
812
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virt-manager windows 10 guest usb passthrough logitech brio webcam
here is my setup:
host: ubuntu 21.04
libvirt: v7.0.0
guest: windows 10 pro N (version 21H1, OS build 19043.1083)
i am trying to connect my logitech brio webcam to the guest machine. i set up the ...
0
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1
answer
936
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Exit read-only file system after system crash and hard reset (20.04.2 Server, VM)
Yesterday my system crashed forcing me to do a hard reset on my host machine whilst running 2 virtual machines. The first machine survived and the second has been put into a read only mode. After ...
0
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1
answer
303
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How to stop loading Xen 4.9-amd64 on boot
I installed xen on ubuntu following this question. Now, when I boot ubuntu 18.04, it takes ages and it says in the beginning:
Loading Xen 4.9-amd64 ...
WARNING: no console will be available to OS
...
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1
answer
80
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KVM networking: OSPF between Vyos VMs running across different hosts
Unable to establish OSPF neighbourhood between Vyos-1.3 VMs running across different hosts. On each host, one interface of Vyos VM's are connected to host physical interface using 'macvtap'. Running '...
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1
answer
182
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What is the best way to learn how to setup and manage multiple Ubuntu Server VMs on one system?
I am currently running several Ubuntu Server systems on independent machines and would like to explore options for running each as a virtual machine on the same server to consolidate hardware. ...
0
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2
answers
487
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How to infer top command VSZ & Resident memory numbers active usage / free?
I have two vm's one with 2vCPU , 4GB RAM and other with 4vCPU and 8GB RAM
Now I have installed / ran the same application(k8s pods) with same memory , cpu allocations , requests , limits on both the ...
1
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1
answer
2k
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How to use microphone in KVM, virt-manager based Virtual Machine?
I am using Ubuntu 20.04.2 (64-bit) as host and Q4OS(32-bit) as guest. I have added camera from USB host devices and hence it works now on using google meet in virtual machine.
But I am still unable to ...
0
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0
answers
211
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Why no Swap partition
So I installed ubuntu onto a virtual machine and just realized that it no longer creates a swap partition. Why is this I thought those were important.
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0
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195
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How do I make Ubuntu Linux full screen in Oracle Virtual Machine
I have installed Ubuntu in a virtual machine by following this article.
I called the VM "myLinux", I succeeded to install it, but linux is not in full screen.
I made some searches and tried ...
4
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3
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47k
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How to use OpenGL/3D acceleration in virt-manager with ubuntu?
Currently on Ubuntu 20.04 both as host and guest, I followed http://ryan.himmelwright.net/post/virtio-3d-vms/ and activated 3D acceleration on video, and OpenGL on dsplay, but on VM launch I get
SPICE ...
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0
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298
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QEMU guest Ubuntu cannot use external webcam
I recently set up guest Ubuntu 18.04 with QEMU on my host Mac OS 11.4 (2019 13 inches). To save the trouble of installing a driver for FaceTime camera, I bought an external webcam this one ...
0
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0
answers
58
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I'm creating a Pass-trough GPU in Virtual Macine, need to understand what is " dracut "
@Hello , I'm studing to how to create the Pass-trough GPU in the Virtual Machine enviroment on Ubuntu 21.04. Following the steps on it, it tells to create in /etc/dracut.conf.d/ the file vfio.conf ...
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2
answers
2k
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Can't connect wifi adapter in vm ubuntu 20.04
I installed kali linux on vmware workstation but when i try to plug in a wifi adaptor i am getting this error
I don't know why i am facing this error because when i installed kali using vmware in my ...
0
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0
answers
59
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VM creation on 1 VF from network card and 1 VF from GPU
I am trying to pass VM for 1 VF from network card and 1 VF from GPU (ATS card) at a time, using the below command. Getting the following error, can anyone please help on this issue?
4d:00.1 is GPU VF
...
3
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1
answer
2k
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how to make ubuntu install iso file for arm64 machine on x86-64 machine?
I'm trying to install ubuntu 18.04 on a qemu virtual machine which is a modified version of qemu's arm virt machine.
I checked that I can install ubuntu 18.04 on arm virt machine as directed here, a ...
1
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2
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833
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Ubuntu 21.04 Guest on VMware Workstation 16 Gnome Forgets UI Scale On Resolution Change
I am running Ubuntu 21.04 VMs in VMware Workstation Pro 16.1.2 build-17966106. When toggling between full screen and normal mode (which causes VMware to poke the guest tools to change the virtual ...
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0
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616
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How to do the X11 forwarding over SSH with a private network (10.x range IP address) generated by a QEMU emulated OS (Raspbian) on my Ubuntu 21.04 X64
I'm running the raspbian os armhf emulated with qemu on my jetson nano arm64. It works decently expect for the fact that this architecture can generate only an orthogonal network configuration with a ...
0
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1
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2k
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libvirtd[num]: Failed to open file '/sys/class/net/veth7a03557/operstate': No such file or directory
I want to install virt-manager and kvm, I done it but when I write
It shows me error below sudo systemctl status libvirtd.service
jūn 11 12:04:25 intelli5 libvirtd[916]: Failed to open file '/sys/...
1
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0
answers
113
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Ubuntu server does not detect DHCPv4 on virt-manager
I am installing ubuntu server on virt-manager but it can not detect DHCPv4. I click continue without network then it gives me error below when I install or update something
failed to fetch http //...
0
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0
answers
330
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regading ubuntu installation
I was trying to install ubuntu but unfortunately, am unable to do so on my VMware workstation 16 pro. I tried with VMWare 15 pro, and to my surprise, it worked. But the thing is I want to install it ...
0
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2
answers
1k
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dhcp fails on br0, new configuration
I am trying to create a bridge for xen virtual devices to connect to.
The br0 appears to be up but it will not pull an IP and the ipv6 link local on the br0 cannot be reached either
root@Inspiron15:/...
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2
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1k
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Error creating virtual disk - The given disk size is not aligned on a sector boundary (512 bytes)
When I am trying to create a Virtual Hard Disk for my Ubuntu 18.04 Virtual Machine I am getting this error...
Could not create the medium storage unit '/home/mir/VirtualBox VMs/Linux/Ubuntu/Ubuntu.vdi'...
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0
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38
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Using Ubuntu as a file server and VM host on refurb server hardware
I've been planning to set up a NAS in my office, and this idea has been subject to a bit of feature creep. I was going to get a Synology, then I saw how much refurbished server hardware I could get ...
0
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0
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251
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Unable to Install Windows 10 guest OS in Ubuntu 20.04 host using Virtualbox
I used to work with Windows 10 guest OS in Ubuntu host machines using Virtualbox. Recently I bought a ASUS Zenbook (UX325EA-EG701TS).
I installed Ubuntu 20.04.2 LTS on it and installed Virtualbox 6.1. ...
0
votes
1
answer
1k
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can't login to a qemu ubuntu server machine using ssh
I was following this tutorial : https://gist.github.com/george-hawkins/16ee37063213f348a17717a7007d2c79
except the machine is arm64. I created cloud.txt (observing the indentation carefully). The ...
-1
votes
1
answer
432
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cant remove, reinstall or anything of that sort for linux-firmware /lib/firmware/intel/sof-tplg
some tries and errors, the thing is this is also a vps, i would just like to switch to linux-image-virtual or what ever its called anyway, but i would also just like to be able to upgrade my software ...