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[[!meta title="visudo: /etc/sudoers is busy, try again later"]]

[[!tag open_issue_hurd]]

visudo does not work:

    /etc/sudoers is busy, try again later

Apparently there is some [[file_locking]] that sudo does which does not
work. Uninvestigated for now.

One can just edit the /etc/sudoers file and take care of correctness by hand.