Mistakes were made. (a) sudo mount -o remount,exec /dev
Works. The mistake made was rebooting before testing vbetool. Solution: sudo mount -o remount,exec /dev vbetool dpms force off sudo mount -o remount,noexec /dev -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875240 Title: vbetool: mmap /dev/zero: Operation not permitted Failed to initialise LRMI (Linux Real-Mode Interface). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vbetool/+bug/1875240/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs