Zypper

И так с абсолютным большинством пакетов:

alexander@acer:~$ sudo zypper in gajim
root's password:
Retrieving repository 'X11:windowmanagers' metadata [done]
Собирается кэш репозитария 'X11:windowmanagers' [done]
Retrieving repository 'home:cschneemann' metadata [done]
Собирается кэш репозитария 'home:cschneemann' [done]
Retrieving repository 'home:hmacht' metadata [done]
Собирается кэш репозитария 'home:hmacht' [done]
Retrieving repository 'packman' metadata [done]
Собирается кэш репозитария 'packman' [done]
Retrieving repository 'Packman Repository' metadata [done]
Собирается кэш репозитария 'Packman Repository' [done]
Loading repository data...
Reading installed packages...
Resolving package dependencies...

The following NEW packages are going to be installed:
gajim python-pydns


Overall download size: 3,4 M. After the operation, additional 13,7 M will be used.
Continue? [YES/no]: yes
Retrieving package python-pydns-2.3.3-0.pm.1.i586 (1/2), 39,0 K (166,0 K unpacked)
Retrieving: python-pydns-2.3.3-0.pm.1.i586.rpm [done (6,4 K/s)]
Installing: python-pydns-2.3.3-0.pm.1 [done]
Retrieving package gajim-0.12.1-0.pm.1.i586 (2/2), 3,3 M (13,5 M unpacked)
Retrieving: gajim-0.12.1-0.pm.1.i586.rpm [done (11,2 K/s)]
Installing: gajim-0.12.1-0.pm.1 [error]
Installation of gajim-0.12.1-0.pm.1 failed:
(with --nodeps --force) Error: Subprocess failed. Error: Сбой RPM: warning: /var/cache/zypp/packages/packman/i586/gajim-0.12.1-0.pm.1.i586.rpm: Header V3 DSA signature: NOKEY, key ID 9a795806


Abort, retry, ignore? [A/r/i]: