Hi, After adding backports.org repository I'm getting following error: debian:/home/nipra# apt-get update Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-14 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-13 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-12 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-11 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-10 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-8 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-7 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-6 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-5 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-4 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-3 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-2 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-1 (20050607)] unstable Release.gpg Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-14 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-13 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-12 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-11 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-10 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-8 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-7 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-6 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-5 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-4 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-3 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-2 (20050607)] unstable Release Ign cdrom://[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-1 (20050607)] unstable Release Get:1 http://security.debian.org stable/updates Release.gpg [189B] Get:2 http://www.backports.org sarge-backports Release.gpg [189B] Hit http://security.debian.org stable/updates Release Hit http://www.backports.org sarge-backports Release Ign http://www.backports.org sarge-backports Release Ign http://security.debian.org stable/updates/main Packages Hit http://www.backports.org sarge-backports/main Packages Ign http://security.debian.org stable/updates/contrib Packages Hit http://security.debian.org stable/updates/main Packages Hit http://security.debian.org stable/updates/contrib Packages Fetched 190B in 3s (49B/s) Reading package lists... Done W: GPG error: http://www.backports.org sarge-backports Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EA8E8B2116BA136C W: You may want to run apt-get update to correct these problems
Regards Nikhil Prabhakar