/etc/init.d/boinc attach
boinc | * If you can't find your account key just try to obtain it by using:
boinc | * boinccmd --passwd PASSWORD_FROM_GUI_RPC_AUTH --lookup_account URL EMAIL PASSWORD
boinc | Enter the Project URL: http://www.worldcommunitygrid.org/
Enter your Account Key: 477f02bc07efa7feffdad1d37a4cdd46
* boinc: Attaching to project ...
boinc | * start-stop-daemon: failed to start `/usr/bin/boincc [ !! ]
boinc |31-Jul-2019 13:30:49 [---] don't use GPU while active
boinc |31-Jul-2019 13:30:49 [---] suspend work if non-BOINC CPU load exceeds 25%
boinc |31-Jul-2019 13:30:49 [---] (to change preferences, visit a project web site or select Preferences in the Manager)
boinc |31-Jul-2019 13:30:49 [---] Setting up project and slot directories
boinc |31-Jul-2019 13:30:49 [---] Checking active tasks
boinc |31-Jul-2019 13:30:49 [---] Setting up GUI RPC socket
boinc |31-Jul-2019 13:30:49 [---] gui_rpc_auth.cfg is empty - no GUI RPC password protection
boinc |31-Jul-2019 13:30:49 [---] Checking presence of 0 project files
boinc |31-Jul-2019 13:30:49 [---] This computer is not attached to any projects
boinc |31-Jul-2019 13:30:49 Initialization completed