sudo parallels-config


[: 141: ==: unexpected operator
     Compiling Parallels Workstation 2.2 drivers...
     Drivers have been compiled successfully.
/usr/bin/parallels-config: 175: pushd: not found
/usr/bin/parallels-config: 186: popd: not found
     Installing drivers...
     Starting drivers...
/usr/lib/parallels/autostart/drivers_start: 19: Syntax error: "(" unexpected
Parallels Workstation drivers were successfully configured
and compiled but cannot be started (insmod command failed).
Run 'dmesg' command for more information.
exit: 3: Illegal number: -1