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After installing the Guest Additions 6.1.12, and after restart, the shared folders goes missing from the folders list. I've to re-run the GA software again and every time to get the shared folders back in the folder listings...

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Verifying archive integrity... All good.
Uncompressing VirtualBox 6.1.12 Guest Additions for Linux........
VirtualBox Guest Additions installer
Removing installed version 6.1.12 of VirtualBox Guest Additions...
update-initramfs: Generating /boot/initrd.img-5.4.0-42-generic
Copying additional installer modules ...
Installing additional modules ...
VirtualBox Guest Additions: Starting.
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel
modules.  This may take a while.
VirtualBox Guest Additions: To build modules for other installed kernels, run
VirtualBox Guest Additions:   /sbin/rcvboxadd quicksetup <version>
VirtualBox Guest Additions: or
VirtualBox Guest Additions:   /sbin/rcvboxadd quicksetup all
VirtualBox Guest Additions: Building the modules for kernel 5.4.0-42-generic.
update-initramfs: Generating /boot/initrd.img-5.4.0-42-generic
VirtualBox Guest Additions: Running kernel modules will not be replaced until
the system is restarted
Press Return to close this window...

Need to run the command every time I reboot to access the shared folder:

sudo mount -t vboxsf VM_Shared /media/sf_VM_Shared/

Could someone please help?

Thanks.

Could you please try installing Guest Additions 6.1.10, in your guest, and see if the same issue happens?
https://download.virtualbox.org/virtual ... 6.1.10.iso

Also, if you were running Virtualbox before 6.1.12, what version did you have?

scottgus1 wrote:Could you please try installing Guest Additions 6.1.10, in your guest, and see if the same issue happens?
https://download.virtualbox.org/virtual ... 6.1.10.iso

Also, if you were running Virtualbox before 6.1.12, what version did you have?

Tried 6.1.10 as you suggested, but the same problem!!

Earlier I used 6.1.8 as far as I can remember.
Tried that GA version also... but same result now!!

The sf_VM_Shared folder goes missing from the main folder list after reboot, and the /media/sf_VM_Shared folder does not list the shared files!

Had to run the

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sudo mount -t vboxsf VM_Shared /media/sf_VM_Shared/

again to make it visible with right files in the folder list.

Thanks.

Finally, I had to do this by creating a /etc/rc.local file to run as sudo at the login.

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#!/bin/sh -e
mount -t vboxsf VM_Shared /media/sf_VM_Shared/
exit 0

And make it executable

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sudo chmod +x /etc/rc.local

Nevertheless, it is quite odd to solve it like this when the Auto-Mount and Make Permanent options were selected!!

virtualbox.org

Shared Folder btw Windows 10 host and Ubuntu 20.04 guest goes missing in reboot

Shared Folder btw Windows 10 host and Ubuntu 20.04 guest goes missing in reboot

Re: Shared Folder btw Windows 10 host and Ubuntu 20.04 guest goes missing in reboot

Re: Shared Folder btw Windows 10 host and Ubuntu 20.04 guest goes missing in reboot

Re: Shared Folder btw Windows 10 host and Ubuntu 20.04 guest goes missing in reboot