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Thread: huge file in /var/tmp

  1. #1
    Join Date
    Feb 2016

    Default huge file in /var/tmp

    so have just found a huge file of 4gb in /var/tmp/.guestfs-1000/appliance.d/root

    from brief googling i assume this is something to do with qemu? is this a vm cache file? i have just started all my VMs and the file has not updated and so if assumptions correct, this must be dead cruft?

    most importantly can i safely delete it?

  2. #2
    Join Date
    Jun 2008
    San Diego, Ca, USA
    Blog Entries

    Default Re: huge file in /var/tmp

    Look at the file date/time.
    If it's at least a few hours old, I'd say it's likely safe to delete.

    If you're in the habit of suspending or hibernating Guests from within a Guest, don't.
    That's one of the best ways to corrupt a Guest.

    Always do one of the following
    - Shutdown the Guest completely(within a Guest)
    - Not from within the Guest, but in the HostOS virtualization manager, you can suspend a Guest. Be aware that this will wreak havoc with the Guest's time, so do a time sync when you resume.

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