krb5-auth-dialog software package provides tray applet for reauthenticating kerberos tickets, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install krb5-auth-dialog
krb5-auth-dialog is installed in your system.
Make ensure the krb5-auth-dialog package were installed using the commands given below,
$ sudo dpkg-query -l | grep krb5-auth-dialog *
You will get with krb5-auth-dialog package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | GNOME |
| Package | krb5-auth-dialog |
| Version | 3.20.0-2 |
| Description | tray applet for reauthenticating kerberos tickets |
| Sub Section | GNOME |