1apt list --installed See https://askubuntu.com/questions/17823/how-to-list-all-installed-packages

1dpkg-query -L <package_name>

1apt-cache pkgnames

1dpkg -s <package> 2apt-cache showpkg <package> See details in https://askubuntu.com/questions/8560/how-do-i-find-out-which-repository-a-package-comes-from

1alaa@aa-lu:~$ apt-cache policy vlc 2vlc: 3Installed: 2.0.8-0ubuntu0.13.04.1 4Candidate: 2.0.8-0ubuntu0.13.04.1 5Version table: 6*** 2.0.8-0ubuntu0.13.04.1 0 7500 http://ae.archive.ubuntu.com/ubuntu/ raring-updates/universe i386 Packages 8500 http://security.ubuntu.com/ubuntu/ raring-security/universe i386 Packages …

1/usr/lib/update-notifier/apt-check -p

1root@jenkins3:~# apt-cache search chromedriver 2chromium-chromedriver - WebDriver driver for the Chromium Browser 3chromium-chromedriver-dbg - chromium-chromedriver debug symbols 4oxideqt-chromedriver - Web browser engine for Qt (transitional package)

1sudo apt-get remove <application_name> some details in https://askubuntu.com/questions/1143/how-can-i-uninstall-software

1/usr/lib/update-notifier/apt-check --human-readable

1root@jenkins3:~# apt-cache showpkg chromium-chromedriver 2Package: chromium-chromedriver 3Versions: 462.0.3202.62-0ubuntu0.14.04.1204 (/var/lib/apt/lists/mirrors.digitalocean.com_ubuntu_dists_trusty-updates_universe_binary-amd64_Packages) …