This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-observium-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:28:10 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 88ee2ab2cc92f239e3c5995c9a0315434501e674 * md5sum 62a118783f70550217686fd1b1136771 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSc3QhAAoJEIXCXpWhbrlN8VEIAJfYDbfnIkVKd/CCZ/I+QyGL hfIEluKlj0kC/6OngMYclXDoxsbnfZFRTyDt5QfZSmHNsYAQue22j/D0azxFDgu0 RuRC9x4MJ2npjrFDLGZqwRx7+119AwMvTOZPc78z/Z033tFxPY/B4Fg3TxRDpx5K RIUoHBwWQokicrzqdqHpsKRXKWWMEimuiFqw32cDmGjhPomPVSe0/ZsfO2IG/Hgw GX4j6kxbwFh5NWxPJLapIc6tv4gzhwdCvHGKP1F1SVPzoSdzWuvdeui+lIUPJJq2 kY/8/8Agqm1Mric7iHqiLTqjtPSZj99hA3hW4Hg2coB5BETn1XCzSr+ewaz74e4= =pXp6 -----END PGP SIGNATURE-----