Eu atualizei meu Xubuntu de 11,10 para 12,04 LTS. Depois disso, observei que ssh não está mais instalado. Eu tentei instalá-lo e recebi este erro:
we@nemesis:~$ sudo apt-get install openssh-client
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
openssh-client : Depends: libgssapi-krb5-2 (>= 1.10+dfsg~) but 1.9.1+dfsg-1ubuntu2.2 is to be installed
E: Unable to correct problems, you have held broken packages.
Eu tentei fazer %código% %código% %código% %código% %código%. Nada disso não é ajudado.
apt-get clean quer que eu desinstale meu X11:
we@nemesis:~$ sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be REMOVED:
xorg xserver-xorg xserver-xorg-input-evdev xserver-xorg-video-all xserver-xorg-video-ati xserver-xorg-video-cirrus
xserver-xorg-video-fbdev xserver-xorg-video-geode xserver-xorg-video-intel xserver-xorg-video-mach64 xserver-xorg-video-mga
xserver-xorg-video-neomagic xserver-xorg-video-nouveau xserver-xorg-video-openchrome xserver-xorg-video-qxl xserver-xorg-video-r128
xserver-xorg-video-radeon xserver-xorg-video-s3 xserver-xorg-video-savage xserver-xorg-video-siliconmotion xserver-xorg-video-sis
xserver-xorg-video-sisusb xserver-xorg-video-tdfx xserver-xorg-video-trident xserver-xorg-video-vesa xserver-xorg-video-vmware
xubuntu-desktop
The following packages have been kept back:
chromium-browser chromium-browser-l10n firefox firefox-globalmenu glib-networking libnm-glib4 libnm-util2 liborbit2 libsmbclient
libutouch-geis1 network-manager openjdk-6-jre samba-common-bin simple-scan software-center zeitgeist-core
The following packages will be upgraded:
xserver-xorg-core xserver-xorg-input-synaptics
2 upgraded, 0 newly installed, 27 to remove and 16 not upgraded.
Need to get 1.747 kB of archives.
After this operation, 8.098 kB disk space will be freed.
Do you want to continue [Y/n]? n
Eu tenho medo de fazer isso, porque não tenho certeza, que depois disso terei a capacidade de reinstalar o X11.
Como consertar esses pacotes quebrados?
Ok, foi uma coisa muito estúpida: algumas semanas atrás eu tentei instalar alguns pacotes da próxima versão e editei /etc/apt/preferences para fixar a nova versão precise com prioridade mais baixa.
Esta pinagem impediu que apt-get instalasse normalmente novos pacotes da nova versão.