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BOINC complains that VirtualBox is not installed, what to do?

BOINC client message: VirtualLHC@home: Notice from server: VirtualBox is not installed - What to do?

There is an issue with dependencies between VirtualBox and BOINC on some Linux distributions.

If you are running e.g. Ubuntu Linux, have already installed BOINC and VirtualBox, and still get a message from the BOINC client: VirtualLHC@home: Notice from server: VirtualBox is not installed 

To get the BOINC-VirtualBox combo to work properly on Ubuntu, please proceed as follows:

  • If not already done, install BOINC and VirtualBox from the Ubuntu repositories (with apt-get).  Then please execute:
  1. sudo service boinc-client stop 
  2. mkdir -p ${HOME}/boinc 
  3. boinc -dir ${HOME}/boinc 
  4.  boincmgr 

With this setup, the BOINC client puts all the temporary files in a directory called boinc under your home directory, and it is easy to see what is going on and avoid permission issues or similar.