About GUI widgets.
-*- outline -*-
* Conf files.
See man sources.list(5), apt.conf(5).
/etc/apt/sources.list
/etc/apt/apt.conf
* Setup backport.
Main backports archive you can find on www.backports.org.
To get packeges gpg sign key:
$ su
...
$ wget -O - http://backports.org/debian/archive.key | apt-key add -
$ ^D
Write where packeges places:
$ cat /etc/apt/sources.list
deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official amd64 DVD Binary-2 20070407-12:15]/ etch contrib main
deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official amd64 DVD Binary-1 20070407-12:15]/ etch contrib main
deb http://www.backports.org/debian/ etch-backports main contrib non-free
* Getting new keys for packages.
$ sudo apt-get update
...
W: There is no public key available for the following key IDs:
9AA38DCD55BE302B
W: GPG error: http://http.us.debian.org etch Release: The following signatures
couldn't be verified because the public key is not available: NO_PUBKEY
9AA38DCD55BE302B
...
$ gpg --keyserver pgp.mit.edu --recv-key 9AA38DCD55BE302B \
--keyserver-options http-proxy=http://user:pass@192.168.1.1:3128
gpg: requesting key 55BE302B from hkp server pgp.mit.edu
gpg: key 55BE302B: public key "Debian Archive Automatic Signing Key (5.0/lenny) <ftpmaster@debian.org>" imported
gpg: no ultimately trusted keys found
gpg: Total number processed: 1
gpg: imported: 1 (RSA: 1)
$ gpg --export 9AA38DCD55BE302B | sudo apt-key add -
OK