apt policy
apt policy command show information about a package.
root@ok-vm:~# apt policy apache2 apache2: Installed: 2.4.18-2ubuntu3.5 Candidate: 2.4.18-2ubuntu3.5 Version table: *** 2.4.18-2ubuntu3.5 500 500 http://azure.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages 100 /var/lib/dpkg/status 2.4.18-2ubuntu3 500 500 http://azure.archive.ubuntu.com/ubuntu xenial/main amd64 Packages root@ok-vm:~#
It shows the installed version “Installed: 2.4.18-2ubuntu3.5” and the repo from where it is installed.
See apt