[Comm] Apt-Get Странности

[Japh]

Объясните плиз что это такое , и как сделать чтоб все нормально было ?

[root на localhost apt]# apt-get update
Get:1 ftp://ftp.altlinux.ru i586/base/hashfile [1863B]
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Err ftp://ftp.altlinux.ru i586/base/hashfile
  file was not signed with a known key. Check if the proper gpg key was 
imported to your keyring.
Fetched 1863B in 11s (169B/s)