Ubuntu Commands FAQ

In this article, you can find some of the most used Ubuntu server commands.

If you need help with any of these commands, please post in the comments.

Table of Contents

How to list all installed packages on Ubuntu?

If you are using Ubuntu 14.04 or above, you can use this command

apt list --installed

First, install unzip

apt-get install unzip

Then use this command

unzip file.zip -d destination_folder

add-apt-repository --remove ppa:PPA_name/ppa

To also remove the applications that were required by this PPA we need to do some more steps.

First install ppa-purge

apt-get install ppa-purge

Then run this command to remove the packages provided by the PPA

ppa-purge ppa:PPA_name/ppa

To remove packages from the official repository use this command

apt-get purge package_name

dpkg -i DEB_PACKAG

dpkg -r DEB_PACKAG

dpkg-reconfigure DEB_PACKAG