Install base-passwd by entering the following commands in the terminal:
sudo apt update sudo apt install base-passwd
Description:
Debian base system master password and group files
These are the canonical master copies of the user database files (/etc/passwd and /etc/group), containing the Debian-allocated user and group IDs. The update-passwd tool is provided to keep the system databases synchronized with these master files.
Version: 3.5.44
Section: admin