Setting up Virtual Box on SparkyLinux 2020.09

Following below is a brief "howto" succeed with mentioned installation on SparkyLinux 2020.09 in meantime

After initial roll forward and reboot make sure that grub entry been used was 

Afterwards proceed as follows

boris@boris-ms7c42:~$ sudo apt install build-essential linux-headers-amd64

Previous install would allow us to perform successful installation like it's officially suggested on Ubuntu 20.04

boris@boris-ms7c42:~$ sudo apt install virtualbox

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following packages were automatically installed and are no longer required:

  libcdio18 libilmbase24 liblivemedia79 libmicrodns0 libopenexr24 libpoppler82 libpoppler95

  linux-image-5.7.0-2-amd64 linux-image-5.7.0-3-amd64

Use 'sudo apt autoremove' to remove them.

The following additional packages will be installed:

  libgsoap-2.8.104 liblzf1 libvncserver1 virtualbox-dkms virtualbox-qt

Suggested packages:

  vde2 virtualbox-guest-additions-iso

The following NEW packages will be installed:

  libgsoap-2.8.104 liblzf1 libvncserver1 virtualbox virtualbox-dkms virtualbox-qt

0 upgraded, 6 newly installed, 0 to remove and 0 not upgraded.

Need to get 44,0 MB of archives.

After this operation, 176 MB of additional disk space will be used.

Do you want to continue? [Y/n] Y

Get:1 http://deb.debian.org/debian bullseye/main amd64 libgsoap-2.8.104 amd64 2.8.104-2 [283 kB]

Get:2 http://deb.debian.org/debian bullseye/main amd64 liblzf1 amd64 3.6-2 [9 896 B]

Get:3 http://deb.debian.org/debian bullseye/main amd64 libvncserver1 amd64 0.9.13+dfsg-1 [232 kB]

Get:4 https://repo.sparkylinux.org potolo/main amd64 virtualbox-dkms amd64 6.1.14-dfsg-3 [722 kB]

Get:5 https://repo.sparkylinux.org potolo/main amd64 virtualbox amd64 6.1.14-dfsg-3 [21,3 MB]

Get:6 https://repo.sparkylinux.org potolo/main amd64 virtualbox-qt amd64 6.1.14-dfsg-3 [21,5 MB]

Fetched 44,0 MB in 30s (1 473 kB/s)                                                             

Selecting previously unselected package libgsoap-2.8.104:amd64.

(Reading database ... 259744 files and directories currently installed.)

Preparing to unpack .../0-libgsoap-2.8.104_2.8.104-2_amd64.deb ...

Unpacking libgsoap-2.8.104:amd64 (2.8.104-2) ...

Selecting previously unselected package liblzf1:amd64.

Preparing to unpack .../1-liblzf1_3.6-2_amd64.deb ...

Unpacking liblzf1:amd64 (3.6-2) ...

Selecting previously unselected package libvncserver1:amd64.

Preparing to unpack .../2-libvncserver1_0.9.13+dfsg-1_amd64.deb ...

Unpacking libvncserver1:amd64 (0.9.13+dfsg-1) ...

Selecting previously unselected package virtualbox-dkms.

Preparing to unpack .../3-virtualbox-dkms_6.1.14-dfsg-3_amd64.deb ...

Unpacking virtualbox-dkms (6.1.14-dfsg-3) ...

Selecting previously unselected package virtualbox.

Preparing to unpack .../4-virtualbox_6.1.14-dfsg-3_amd64.deb ...

Unpacking virtualbox (6.1.14-dfsg-3) ...

Selecting previously unselected package virtualbox-qt.

Preparing to unpack .../5-virtualbox-qt_6.1.14-dfsg-3_amd64.deb ...

Unpacking virtualbox-qt (6.1.14-dfsg-3) ...

Setting up libvncserver1:amd64 (0.9.13+dfsg-1) ...

Setting up liblzf1:amd64 (3.6-2) ...

Setting up libgsoap-2.8.104:amd64 (2.8.104-2) ...

Setting up virtualbox-dkms (6.1.14-dfsg-3) ...

Loading new virtualbox-6.1.14 DKMS files...

Building for 5.8.0-2-amd64

Building initial module for 5.8.0-2-amd64

Done.

vboxdrv.ko:

Running module version sanity check.

 - Original module

   - No original module exists within this kernel

 - Installation

   - Installing to /lib/modules/5.8.0-2-amd64/updates/

vboxnetadp.ko:

Running module version sanity check.

 - Original module

   - No original module exists within this kernel

 - Installation

   - Installing to /lib/modules/5.8.0-2-amd64/updates/

vboxnetflt.ko:

Running module version sanity check.

 - Original module

   - No original module exists within this kernel

 - Installation

   - Installing to /lib/modules/5.8.0-2-amd64/updates/

depmod......

DKMS: install completed.

Setting up virtualbox (6.1.14-dfsg-3) ...

Created symlink /etc/systemd/system/multi-user.target.wants/vboxweb.service → /lib/systemd/system

/vboxweb.service.

Job for vboxweb.service failed because the service did not take the steps required by its unit co

nfiguration.

See "systemctl status vboxweb.service" and "journalctl -xe" for details.

Setting up virtualbox-qt (6.1.14-dfsg-3) ...

Processing triggers for menu (2.1.47+b1) ...

Processing triggers for desktop-file-utils (0.26-1) ...

Processing triggers for mime-support (3.64) ...

Processing triggers for hicolor-icon-theme (0.17-2) ...

Processing triggers for libc-bin (2.31-3) ...

Processing triggers for systemd (246.6-1) ...

Processing triggers for man-db (2.9.3-2) ...

Processing triggers for shared-mime-info (1.15-1) ...

boris@boris-ms7c42:~$ which virtualbox

/usr/bin/virtualbox

Now start standard deploying Ubuntu 20.04.1 Guest via virtual box

When done follow known guide lines see http://lxer.com/module/newswire/view/291286/index.html

Final verification that VM's window is re-sizable