Thanks for filing this bug in Ubuntu. I believe you used an older version of the new installer, which had a known bug where the universe component was not enabled in /etc/apt/sources.list:
https://bugs.launchpad.net/subiquity/+bug/1783129 Please check your sources.list and enable universe (and multiverse if you want), then you will find the krb5-user package. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to krb5 in Ubuntu. https://bugs.launchpad.net/bugs/1840905 Title: krb5-user seems not installing on Bionic Status in krb5 package in Ubuntu: New Bug description: I am not able to install kerberize-client on a Ubuntu 18.04.2 LTS. Due of krb5-user that depends of libkrb5-3. libkrb5-3 (= 1.16-2build1) but 1.16-2ubuntu0.1 is the latest version. # apt-get install kerberize-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: kerberize-client : Depends: krb5-user E: Unable to correct problems, you have held broken packages. # apt-get install krb5-user 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: krb5-user : Depends: libkrb5-3 (= 1.16-2build1) but 1.16-2ubuntu0.1 is to be installed E: Unable to correct problems, you have held broken packages. # apt-get install libkrb5-3 Reading package lists... Done Building dependency tree Reading state information... Done libkrb5-3 is already the newest version (1.16-2ubuntu0.1). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/krb5/+bug/1840905/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp