Fix VirtualBox host-only network adapter after Linux upgrade

This note relates to:

  • virtualbox-3.2
  • Ubuntu 10.04
  • linux-2.6.32-24-generic

After upgrading the latest kernel, VirtualBox stopped working. More specifically, VirtualBox complained that a host-only adapter, previously available, had disappeared and, consequently, could not start the intended virtual machine that was dependent on it.

The root cause appears to be that the VirtualBox kernel modules needed to be re-generated. Nevertheless, here is the process to fix it:

  1. Reconfigure VirtualBox
  2. Reboot Ubuntu

In details:

After this, VirtualBox performs as expected.

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