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Thread: VirtualBox says: 'Effective UID is not root'

  1. #11

    Default Re: VirtualBox says: 'Effective UID is not root'

    Thanks. That's what I thought - KVM on Linux, VBox on Windows.

  2. #12
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    Default Re: VirtualBox says: 'Effective UID is not root'

    Quote Originally Posted by heyjoe View Post
    Thanks. That's what I thought - KVM on Linux, VBox on Windows.
    For that combination,

    Install VBox 5 (not 4.3) on Windows and alwasy check the KVM interface in the CPU acceleration tab.

    TSU

  3. #13

    Default Re: VirtualBox says: 'Effective UID is not root'

    Quote Originally Posted by tsu2 View Post
    alwasy check the KVM interface in the CPU acceleration tab.
    What do you mean? After each boot in Linux to tune something in KVM? Could you explain?

  4. #14

    Lightbulb Re: VirtualBox says: 'Effective UID is not root'

    Quote Originally Posted by heyjoe View Post
    2 days ago I installed a clean 13.2 x64 with VirtualBox from the default repo.

    Today I ran it and it told me I must be member of vboxusers. Fair enough - I added my user to the group.

    But then when I attempt to start VirtualBox again I get a message box:

    Code:
    Effective UID is not root (euid=1000 egid=100 uid=1000 gid=100) (rc=-10)
    
    Please try reinstalling VirtualBox.
    I uninstalled the virtualbox-* packages and rebooted.
    Installed them and rebooted again.

    Again trying to run VirtualBox gives the same error.

    The permissions of the file are the same before and after reinstall:

    Code:
    -rwxr-xr-x 1 root vboxusers 35384 Oct  1 15:55 /usr/lib/virtualbox/VirtualBox*
    On this forum I read that changing the rwx to rws solves the problem for some people. However I am being cautious with that because afaik s means executing the process as the owner (root). Is it really necessary this process to be run as root?

    I also wonder if it should have been s - why is it x? I was also thinking - ok, say I change it to s and it works, what happens after an update? I suppose the permissions might be reset to the default again as it seems they are the same after reinstall?

    Anyone having seen that? Perhaps a clean solution?

    I had the same error; my solution: Yast2/Security Center and Hardening
    Click on "Miscellaneous settings". File Permissions set to "Easy".

    Maybe is necessary look for change on AppArmor Configuration.

    Good look.

    Edgar.

  5. #15

    Default Re: VirtualBox says: 'Effective UID is not root'

    Quote Originally Posted by alfacorp View Post
    I had the same error; my solution: Yast2/Security Center and Hardening
    Click on "Miscellaneous settings". File Permissions set to "Easy".

    Maybe is necessary look for change on AppArmor Configuration.

    Good look.

    Edgar.
    Thanks. However it is not a solution but a workaround. Reducing overall system security because of a single program is not a good approach imho.

    Anyway I am using KVM now.

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