tnewman@utopic:~$ sudo os-prober
[sudo] password for tnewman:
/dev/sda1:Windows 7 (loader):Windows:chain
/dev/sda8:Ubuntu Vivid Vervet (development branch) (15.04):Ubuntu:linux
tnewman@utopic:~$ sudo grub-install /dev/sda
Installing for i386-pc platform.
Installation finished. No error reported.
tnewman@utopic:~$