root@Elive[/home/eliveuser]# apt-cache policy os-prober
os-prober:
  Installed: 1.15
  Candidate: 1.15
  Version table:
 *** 1.15 0
        500 http://www.vobcopy.org elive/main Packages
        100 /var/lib/dpkg/status
     1.15 0
        500 http://ftp.fr.debian.org testing/main Packages
root@Elive[/home/eliveuser]#