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Thread: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additions

  1. #1
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    Exclamation I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additions

    I have removed VirtualBox but I forgot to remove the VirtualBox extensions & guest additions before removing the VirtualBox packages. I have deleted the virtual machine and also removed the virtualbox folders inside .cache and .config. Did I left any residue of Virtualbox in my system?
    Last edited by EngineerStrange; June 29th, 2021 at 12:47 PM.

  2. #2
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    Open your file manager and do a system wide search on "virtualbox".

  3. #3
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    No I found nothing except virtualbox.desktop.json which belongs to snap store. Does it mean that I have no residue left? I mean can it contain something with different name?

  4. #4
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio


  5. #5
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    Quote Originally Posted by EngineerStrange View Post
    I mean can it contain something with different name?
    also search "vbox"
    got to go to work, good luck

  6. #6
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    The most important thing (after the next reboot) is to check this:
    Code:
    lsmod | grep -i "vbox"
    To ensure that all the VBox kernel modules are no longer there...

    The Guest Additions are in ISO format, seen by the VBox VM Guests, to add extensions to them, to make API calls to VBox to give them extra abilities, between the guest and the Host. That installs nothing to the host system. If you wanted to convert those hosts to use on another Hypervisor, you should have removed the guest additions from the guests, beforehand... then use/convert the VM disks. For example, if you convert the VM disks to raw or qcow, you could use them with KVM.

    Still...
    Code:
    sudo apt-get install python-is-python3
    Will reset the aliases that VBox setup to use Pyhton2 as it's default... That will reset those, without causing dependency issues. (You can't just uninstall the previous.)
    Last edited by MAFoElffen; June 29th, 2021 at 05:32 PM.

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  7. #7
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    I checked the command you've provided in order to check if VBox kernels are no longer in use and received no output. So everything is okay?
    Btw I haven't done anything with 3-4 kernel modules that I've signed and neither know what to do with those.

  8. #8
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    There are many apearring on search as vbox. But these are components of linux-hwe-5.8-headers and linux-headers. Should I remove these packages?

  9. #9
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    The source... since they are no longer used, they are not doing anything, nor causing any harm. They were installed by VBOx as a depency, in order for it to build the kernel modules..

    Since they are no longer needed as dependencies:
    Code:
    sudo apt clean
    sudo autoremove
    ...Should remove them.

    Concurrent coexistance of Windows, Linux and UNIX...
    Ubuntu user # 33563, Linux user # 533637
    Sticky: [all variants] Graphics Resolution- Upgrade /Blank Screen after reboot
    UbuntuForums system-info Script

  10. #10
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    Re: I removed VirtualBox but I forgot to remove VirtualBox extensions & guest additio

    Then I don't have to unsign the modules?

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