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Is my PC Spec powerful enough to run Windows 11 in a Virtual Machine?

June 3, 2024, 4:22 am
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Hello,

I'm thinking of running Windows 11 in a virtual machine, and would like to know if my PC is powerful enough.
The PC spec is:

AMD Ryzen 5 5600X
24Gb RAM
Nvidia GTX1050 ti

Windows 11 would be used for:

General office work activities including Zoom video calls & conferencing.
Photo and Video editing with Adobe suite and an old version (V.14) of Davinci Resolve.
I'll also be using Steam for gaming, though not high performance gaming.
I would expect to be running Anti Virus.

Any thoughts and advice you can give would be much appreciated. Thank you.
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[SOLVED] Can't update or upgrade anything (WSL2 - W11)

June 6, 2024, 12:15 am
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Hi, I have a problem with the updates and upgrades. I am running Ubuntu on a WSL on Windows 11 //I'm new in the forum, so tell me if I do something wrong.//
The problem is this: When I try to do an update or an upgrade, the "Working" percentage remains at 0% and does not continue.
This is the error:
Ign:1 http://archive.ubuntu.com/ubuntu jammy InRelease
Ign:2 http://security.ubuntu.com/ubuntu jammy-security InRelease
Ign:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease
Ign:2 http://security.ubuntu.com/ubuntu jammy-security InRelease
Ign:3 http://archive.ubuntu.com/ubuntu jammy-backports InRelease
Ign:2 http://security.ubuntu.com/ubuntu jammy-security InRelease
Ign:3 https://http.kali.org/kali kali-rolling InRelease
Ign:1 http://archive.ubuntu.com/ubuntu jammy InRelease
Err:2 http://security.ubuntu.com/ubuntu jammy-security InRelease
Temporary failure resolving 'security.ubuntu.com'
Ign:4 http://archive.ubuntu.com/ubuntu jammy-updates InRelease
Ign:5 http://archive.ubuntu.com/ubuntu jammy-backports InRelease
Ign:1 http://archive.ubuntu.com/ubuntu jammy InRelease
Ign:4 http://archive.ubuntu.com/ubuntu jammy-updates InRelease
Ign:5 http://archive.ubuntu.com/ubuntu jammy-backports InRelease
Err:1 http://archive.ubuntu.com/ubuntu jammy InRelease
Temporary failure resolving 'archive.ubuntu.com'
Err:4 http://archive.ubuntu.com/ubuntu jammy-updates InRelease
Temporary failure resolving 'archive.ubuntu.com'
Err:5 http://archive.ubuntu.com/ubuntu jammy-backports InRelease
Temporary failure resolving 'archive.ubuntu.com'
Reading package lists... Done
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/jammy/InRelease Temporary failure resolving 'archive.ubuntu.com'
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dis...ates/InRelease Temporary failure resolving 'archive.ubuntu.com'
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dis...orts/InRelease Temporary failure resolving 'archive.ubuntu.com'
W: Failed to fetch http://security.ubuntu.com/ubuntu/di...rity/InRelease Temporary failure resolving 'security.ubuntu.com'
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Are there some documents to describe running XEN on ubuntu 2022.04

June 13, 2024, 6:23 pm
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Hi ,

I'm working on XEN 4.18, and trying to run it on ubuntu 22.04.
Options of the kernel of ubuntu 22.04 about XEN are following:
CONFIG_XEN=y
CONFIG_XEN_PV=y
CONFIG_XEN_512GB=y
CONFIG_XEN_PV_SMP=y
CONFIG_XEN_PV_DOM0=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_PVHVM_SMP=y
CONFIG_XEN_PVHVM_GUEST=y
CONFIG_XEN_SAVE_RESTORE=y
I compiled the XEN from the source code which download from the URL(https://github.com/xen-project/xen/blob/stable-4.18), install it and update the grub. The system is suspended during the boot phase.

So my question is whether the ubuntu 22.04 can be used as the dom0 of the XEN? if Yes, what's the other configurations except to the compiling and instaling of XEN and grub updating, which are required to do so the XEN can run on ubuntu 22.04.

Thanks,
Jeky
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Sound issue

June 16, 2024, 12:16 am
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I have installed VMware Workstation Pro (for personal use) on my computer. I then installed the latest version of Ubuntu to test it. The installation went well.


Now to the problem, I hear the startup sound in Ubuntu but when I go into settings and under 'Sound', the sound disappears and I quickly see an error message at the bottom right of the screen. I didn’t have time to read it, but it said something about a sound error and some ID number.


When I look under sound settings, the wrong sound card is shown under 'Output device'. This happens when I only look in the sound settings. My physical sound card is a RealTek Audio HD. I have upgraded everything in Ubuntu and installed Open-vm-tools.


I have tested using Ubuntu in VirtualBox, and the sound works fine there. So it is something in VMware Workstation Pro that cannot detect my sound card.


I was looking forward to testing Ubuntu and especially to trying out Linux. With this sound problem, it ruins the experience.


Can someone explain how I can go about solving this sound problem?
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[SOLVED] how to install Guestaddition

June 21, 2024, 10:45 pm
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Hi all,

VirtualBox V7.0
Host Ubuntu 22.04
Guests Ubuntu 22.04/Windows 10/Windows 11/Linuxmint etc.

I haven't run it for quite long time. All VMs are unable to start. Finally I have to reinstall VirtualBox on repo (previously it was installed on the package download on Oracle VirtualBox website).

Please advise how to install GuestAddition? Thanks

Regards
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What's the deal with gnome-boxes on Ubuntu (esp. 24.04)?

June 27, 2024, 11:48 am
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Hi all,

I'm having trouble with my installation of gnome-boxes for Ubuntu 24.04 LTS. There doesn't appear to be much conversation about it, but I can confirm personally that this issue followed me from 22.04 LTS. :(

The issue isn't something I can show with a screen shot. The VM container will open its installer and start the VM. But then soon after the block turns black. If I wait or try restarting the container, the graphics may open but typically freeze until sometime has passed. When it doesn't freeze, it works perfectly fine like it does for me on Debian.

Can I do anything that is known to improve the service?

What I've done is set my Power Mode from Balanced to Performance.

Thanks. ):P
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Multiple network interfaces on Mac OSX

July 10, 2024, 1:39 pm
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Hi Folks, I'd like to create instances that have multiple interfaces. One interface, connects to a shared interface out to the Internet, the other instance connected to a private bridge on my MBP.

I found some posts online and it looks like folks have done it before, but it's not working for me. Here's have I've done:

sudo ifconfig bridge200 create
sudo ifconfig bridge200 inet 192.168.10.1 netmask 255.255.255.0
sudo ifconfig bridge200 up

Followed by:

multipass launch -n first-vm --cpus 4 --disk 20G --memory 8G --cloud-init cloud-init.yaml \
--network en0 \
--network name=bridge200,mode=manual

When I do this, I get the following error:

launch failed: Invalid arguments supplied
Invalid network options supplied

I can see the bridge on my laptop:

bridge200: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULT ICAST> mtu 1500
options=63<RXCSUM,TXCSUM,TSO4,TSO6>
ether XX:XX:XX:XX:XX:XX
inet 192.168.10.1 netmask 0xffffff00 broadcast 192.168.10.255
Configuration:
id 0:0:0:0:0:0 priority 0 hellotime 0 fwddelay 0
maxage 0 holdcnt 0 proto stp maxaddr 100 timeout 1200
root id 0:0:0:0:0:0 priority 0 ifcost 0 port 0
ipfilter disabled flags 0x0
media: <unknown type>
status: inactive

However, Multipass networks does not see the bridge:

❯ mp networks
Name Type Description
en0 wifi Wi-Fi
en4 ethernet Ethernet Adapter (en4)
en5 ethernet Ethernet Adapter (en5)
en6 ethernet Ethernet Adapter (en6)
en7 usb USB 10/100/1000 LAN

Greatly appreciate any pointers!

Dave.
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LXC Ubuntu22.04 VM + XFS. Nonstandard args?

July 25, 2024, 1:07 pm
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I'm setting up a demo k8s cluster for use with [MinIO storage system](https://min.io). I've encountered issues with the nodes running on LXC/LXD with Ubuntu 22.04. [According to one of the MinIO project members](https://github.com/minio/directpv/issues/919), the failures are due to non-standard arguments supported for XFS. Does anyone know if this is true and how to check or correct it? It seems like the default kernel for the LXD Ubuntu22.04 VM is based on 5.15 and with some modifications for kvm. It seems like XFS is working on some level, but may not support all arguments used by [DirectPV](https://github.com/minio/directpv) for setting up the storage drives

Code:
root@ubuntu-k3s-homelab-4:~# uname -a
Linux ubuntu-k3s-homelab-4 5.15.0-1062-kvm #67-Ubuntu SMP Wed Jun 19 13:44:51 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
# Create test xfs filesystem, showing reflink supported
root@ubuntu-k3s-homelab-4:~# mkfs.xfs /dev/sde
meta-data=/dev/sde              isize=512    agcount=4, agsize=2752512 blks
        =                      sectsz=512  attr=2, projid32bit=1
        =                      crc=1        finobt=1, sparse=1, rmapbt=0
        =                      reflink=1    bigtime=0 inobtcount=0
data    =                      bsize=4096  blocks=11010048, imaxpct=25
        =                      sunit=0      swidth=0 blks
naming  =version 2              bsize=4096  ascii-ci=0, ftype=1
log      =internal log          bsize=4096  blocks=5376, version=2
        =                      sectsz=512  sunit=0 blks, lazy-count=1
realtime =none                  extsz=4096  blocks=0, rtextents=0
Discarding blocks...Done.
root@ubuntu-k3s-homelab-4:~# mount /dev/sde /mnt/test
root@ubuntu-k3s-homelab-4:~# df -hT /mnt/test/
Filesystem    Type  Size  Used Avail Use% Mounted on
/dev/sde      xfs    42G  332M  42G  1% /mnt/test

Unable to setup due to invalid arg with XFS

Code:
➜  ~ kubectl directpv discover

 Discovered node 'ubuntu-k3s-homelab-3' ✔
 Discovered node 'ubuntu-k3s-homelab-4' ✔
 Discovered node 'ubuntu-k3s-homelab-5' ✔
 Discovered node 'ubuntu-k3s-homelab-kubernetes-2' ✔

┌─────────────────────┬──────────────────────┬───────┬─────────┬────────────┬────────────────────┬───────────┬─────────────┐
│ ID                  │ NODE                │ DRIVE │ SIZE    │ FILESYSTEM │ MAKE              │ AVAILABLE │ DESCRIPTION │
├─────────────────────┼──────────────────────┼───────┼─────────┼────────────┼────────────────────┼───────────┼─────────────┤
│ 8:0$lEwxKEUO56Nv... │ ubuntu-k3s-homelab-4 │ sda  │ 42 GiB  │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
│ 8:32$guHrIB+MilW... │ ubuntu-k3s-homelab-4 │ sdc  │ 42 GiB  │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
│ 8:48$6v3flv4STNc... │ ubuntu-k3s-homelab-4 │ sdd  │ 42 GiB  │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
│ 8:64$2M83bdXhXgW... │ ubuntu-k3s-homelab-4 │ sde  │ 42 GiB  │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
│ 8:16$xIJClQ3ZRhX... │ ubuntu-k3s-homelab-5 │ sdb  │ 190 GiB │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
│ 8:32$CYsmluXJnIB... │ ubuntu-k3s-homelab-5 │ sdc  │ 190 GiB │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
│ 8:48$dmx9SRkh27g... │ ubuntu-k3s-homelab-5 │ sdd  │ 190 GiB │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
│ 8:64$qbOcPZbdJTY... │ ubuntu-k3s-homelab-5 │ sde  │ 190 GiB │ -          │ QEMU QEMU_HARDDISK │ YES      │ -          │
└─────────────────────┴──────────────────────┴───────┴─────────┴────────────┴────────────────────┴───────────┴─────────────┘

➜  ~ kubectl directpv init drives.yaml --dangerous

 █████████████████████████████████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░  50%

 Processing initialization request '8045f27a-e55b-4f64-8a64-b25b6dd8efa5' for node 'ubuntu-k3s-homelab-5' ∙∙∙
 Processing initialization request 'e91bb963-9d67-4d7f-b05e-6d16e8765076' for node 'ubuntu-k3s-homelab-4' ∙∙∙

 Error; unable to initialize devices; context deadline exceeded

➜  ~ kubectl logs -f node-server-vv5f9 -n directpv -c node-controller
I0725 19:01:24.975211    7952 reflector.go:289] Starting reflector *v1beta1.DirectPVNode (5m0s) from k8s.io/client-go@v0.28.11/tools/cache/reflector.go:229
I0725 19:01:24.975447    7952 reflector.go:325] Listing and watching *v1beta1.DirectPVNode from k8s.io/client-go@v0.28.11/tools/cache/reflector.go:229
I0725 19:01:25.075027    7952 controller.go:141] node controller synced and ready
E0725 19:01:25.372691    7952 event.go:310] "unable to create initrequest event handler" err="unable to mount; invalid argument"
E0725 19:01:25.372940    7952 main.go:147] "unable to execute command" err="initrequest controller stopped"
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[all variants] VirtualBox and 6.8 kernel

August 16, 2024, 12:09 pm
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Virtualbox from the repository works correctly with kernel 6.5.0-45Generic.

However, with the 6.8.0-40 upgrade the kernel fails:

UBSAN: array-index-out-of-bounds in /var/lib/dkms/virtualbox/6.1.50/build/vboxdrv/SUPDrvGip.c:637:59
[ 147.546311] index 1 is out of range for type ‘SUPGIPCPU [1]’
[ 147.546313] CPU: 4 PID: 7735 Comm: VirtualBoxVM Tainted: G W OE 6.8.0-40-generic #40~22.04.3-Ubuntu
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[ubuntu] GPU passthrough fails after kernel 6.5 -> 6.8

August 16, 2024, 7:59 pm
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Hello I'm running 22.04.4, I use Intel HD graphics for my host and have nVidia that I have blacklisted to use as passthrough in QEMU / KVM guests. This has worked perfectly up until kernel 6.5 but after upgrading to kernel 6.8 after reboot my login screen was present on the monitor connected to my nVidia instead. I tried to boot up a VM and it completely froze my system to where I had to do a hard reset. Here are my GRUB boot parameters. "nosgx drm.edid_firmware=edid/DELLP2719H.bin intel_iommu=on iommu=pt video=efifb:off kvm.ignore_msrs=1 vfio-pci.ids=10de:1184,10de:0e0a isolcpus=2,3,4,5,8,9,10,11 splash"
Has the way you assign VFIO drivers to a GPU changed between kernels? How do I get my GPU to use VFIO instead of Nouveau while booting with kernel 6.8? Thanks!
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Ubuntu 22.04 update now Virtualbox won't start

August 18, 2024, 9:50 am
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I did a sudo apt update, sudo apt upgrade and now virtualbox won't start. Software center was set to automatically install updates so should I have not done the update, upgrade? Seemed like a safe thing to do but it appears that updated the kernel that software center did not update. What's the details of that?

Anyway, I did a search and it said my gcc compiler needed to be updated from 11 to 12 so did that and then
sudo /sbin/vboxconfig

Still didn't work although I found a related bug tracker that said it had been fixed.
it complained about some USB2.0 driver so I installed vitrualbox-ext-pack.

Still won't start. What now?
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It starts x11 instead of Wayland when updating from 6.5 > 6.8

August 19, 2024, 6:30 am
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I updated the kernel on my libvirt/qemu 22.04 VM. It seem to select X11 from the start like you can see in the logs below. I can't find any error related to Wayland in the gnome logs. Wayland works when I boot the 6.5.0~45 kernel. I want to use Wayland. How to fix this or find the issue?
```
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: seat id: seat0
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: supported session types: x11
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: session type: x11
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: supported session types: (null)
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: local: yes
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: allow timed login: yes
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: initial: no
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: session class: greeter
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: seat id: (null)
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmDisplay: id: (null)
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: Adding display on seat seat0
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: x11 login display for seat seat0 requested
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: New displays on seat0 will use x11
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: Getting session type (prefers xorg, falling back: no)
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: System supports graphics
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: udev has settled enough for graphics.
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: Found primary PCI graphics adapter, proceeding.
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: Checking if udev has settled enough to support graphics.
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmLocalDisplayFactory: enumerating seats from logind
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: GdmManager: GDM starting to manage displays
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: Successfully connected to D-Bus
Aug 19 13:16:48 hostname systemd[1]: Started GNOME Display Manager.
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: Changing user:group to gdm:gdm
Aug 19 13:16:48 hostname gdm3[1739]: Gdm: Enabling debugging
Aug 19 13:16:48 hostname systemd[1]: Starting GNOME Display Manager...
```

EDIT:
Wayland works with QXL. Not with Virtio
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Cannot ssh into LXC Ubuntu instance from host

August 19, 2024, 8:08 am
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Hi,

I have created an instance from image Ubuntu:24.04. The container spins up fine and contains an ip address of 10.10.10.79. On my Ubuntu 22.04 host, my lxd adapter, lxdbr0 is at 10.10.10.1. I can ping from my host to the container and I can ping from my container to my host. I can ssh from my host to my container and easily create a ssh key pair and ssh into my host from the container with a key. I set this key pair up using ssh-copy-id with no problems. The frustrating problem is that I cannot ssh into my container as root or as a user account that I created for the container. I've edited /etc/ssh/sshd_config and set PermitRootLogin yes and tried various edits of typical parameters in this file all to no avail. The error that I get when attempting to ssh in is:

$ ssh root@10.10.10.79
root@10.10.10.79: Permission denied (publickey).

I get the same error when attempting to a (non-root) guest account.

I've seen multiple posts of this but everyone suggests solving by editing sshd_config but this doesn't work in my case.

Does anyone have any insight into this. Thanks so much in advance.

Cheers.
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Ubuntu VM fails to install

August 22, 2024, 11:30 am
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I have been trying to install Ubuntu 24.04 LTS as a Virtual Machine on Gnome Boxes using Manjaro OS as a host machine.

After the installation process it asks to press the restart button and then returns back to the 'try Ubuntu' state.
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[SOLVED] Suddenly Win 7, Win 2K, and Ubuntu don't run (under VB in Kubuntu)

August 23, 2024, 9:53 am
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Hey, everyone. I’m super frustrated. On my Kubuntu Linux (22.04) PC, I run VirtualBox to run the following guest Oses:

Windows 7 Ultimate
Windows 2000
Ubuntu 22.04.

Both of those Windows guests are important to me for running older Windows software. The Ubuntu guest is only there because I was trying it out, and is therefore not important. But to suddenly not be able to run those two older Windows OSes has caused headaches for me. I run an old program named Dramatica for outlining novels, plays, and screenplays. It runs under WINE, but not very well. There’s also other old Windows software that I run, not every day, but when I need it I need it.

Suddenly, maybe after an update, none of those guest OSes run anymore. I get the following error:



I get the same error no matter which guest OS I try to run. I have the guest additions, and my version is as follows:

VirtualBox 6.1.50_Ubuntu r161033

My guest operating systems are in Home/VirtualBox Vms/[OS Name]. Screen shots:





I don’t know why these operating systems quit working, but it’s quite frustrating. I could, of course, uninstall and reinstall them, but I’ve got both Win 7 and Win 2K highly configured to my needs with the apps installed also highly configured. We’re talking a lot of work here if I have to install everything from scratch.

Can I simply back up those guest OSes and, reinstall VB, and then copy the OSes back to those same folders and have it work? Or can I just install the newer VB over everything and get it working again.

Win 7 and Win 2K are both important, but Ubuntu as a guest isn’t. I was just seeing what the latest Ubuntu is like. The VB version available in Kubuntu’s Discover repository is:

6.1.50-dfsg-1~ubuntu1.22.04.3

I usually install from the repository, but I could do so from the latest version (via deb file, PPA, or whatever) if that would be better. I don’t care whether I have the latest version. All I care about is getting my two old Win OSes working again. Thank you for any help.

PS: In that first screen shot, you can see that it suggests asking in Oracle's forum at www.virtualbox.org. However, I tried that, but all their boards crash. I think they may have shut them down, but if anyone here knows what might work, I very much appreciate any help.

===================================
Edit:
I have my VB logs. If they would be helpful, let me know. I can post them.
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auto-resize Guest Screen Display in Virtualbox

August 24, 2024, 9:03 am
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I have just installed Ubuntu VM on Virtualbox from Manjaro OS host machine.

It has properly installed BUT the auto-resize to full screen does not appear to be working properly.

Forgive me I am a noob as far as Linux and virtual machines go.
Attached Images
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[ubuntu] Primary / Boot Partition not showing in GParted, Ubuntu 24.04 VirtualBox

August 25, 2024, 1:37 pm
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Hi All,


I'm a beginner to VirtualBox and Ubuntu and I've been stuck on this problem all day, wondering if anyone can help.

I've installed and opened a new Ubuntu VM on my Windows 11 laptop, and have encountered what I think is a common problem of the "actual" disk space not being as much as the "virtual" disk space that I had specified during installation. I had set the disk space to about 90GB and I'm seeing a system volume of about 2GB.

I've looked at a few tutorials, all of which describe using GParted to resize the primary partition to include the currently unallocated disk space. The issue which I have is that when I open GParted no partitions show at all apart from the unallocated disk space. The partition containing the Ubuntu system folders is not there and so I can't resize it. See image below.




I have managed to create a new partition table and a new partition (I just used the default ext4 for this?) but this shows in devices as a separate volume from the boot/system volume.

I need to install some software to the system folders and therefore have to increase the actual disk space of the system partition/volume, does anyone know how I can do this, or suggest why this partition is not showing in GParted?


Thanks!
John
Attached Images
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How to Set Up and Secure Ubuntu as a Virtualization Host

August 26, 2024, 6:31 am
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Hello Ubuntu Community,

I'm planning to use Ubuntu as a virtualization host for my organization's infrastructure and would appreciate some advice on the following:

Setting Up Ubuntu as a Virtualization Host:

  • Which Ubuntu version and configurations are best suited for hosting virtual machines?
  • What are the recommended virtualization technologies to use on Ubuntu (e.g., KVM, LXD, OpenStack), and what are the pros and cons of each?
  • Are there any detailed guides or resources that explain how to set up and manage a virtualization environment on Ubuntu?


Security Best Practices:
  • What are the best practices for securing an Ubuntu-based virtualization host?
  • Any tips on hardening the system to protect against potential threats?
  • Can anyone recommend tools or services for monitoring and maintaining security on an Ubuntu virtualization host?


I'd greatly appreciate any insights, documentation, or links to relevant resources that can help me ensure a secure and efficient setup.

Thanks in advance for your help!

Best, Thomas
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Unable to display Ubuntu 24 Virtual Machine full screen using VirtualBox

August 26, 2024, 8:43 am
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Hello,
I installed Ubuntu 24 on Oracle VirtualBox. Ubuntu VM launches well but I am not able to switch to the full screen mode.
Thanks for support.
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USB not connecting to Ubuntu VM

August 27, 2024, 8:48 am
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I am running a Ubuntu virtual Machine on a Manjaro OS host system.

I cannot connect a USB device to my virtual machine. I have already downloaded the extension pack for Virtualbox. The preference section does not show 'extensions' option. I can detect my camera / microphone from the 'devices' menu BUT states 'no USB connected'.
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