Install kredentials by entering the following commands in the terminal:
sudo apt update sudo apt install kredentials
Description:
KDE taskbar applet to update kerberos/AFS credentials
kredentials is a taskbar applet to periodically renew kerberos tickets and AFS tokens. Although targeted for KDE, it is expected to be fully compatible with other desktop environments.
Version: 2.0~pre3-1.1build1
Section: universe/net