Software installation is very easy and straightforward onto Ubuntu Linux system. There are many ways to install a required application. Users can use “Terminal”, “.deb” packages, Ubuntu software center etc. But there is a problem that many Ubuntu software can’t be found via official PPA or into software center. That time users need to download the software in the deb package. To Install deb packages are easy but it may create some problem for the newbie when comes the question of unmet dependencies. Here I will be sharing a detailed tutorial on How to install deb packages on Ubuntu and resolve the unmet dependencies if that occurs.

How to Install deb Packages on Ubuntu Linux

There are many ways you can install deb packages. Among them, bellow list is the best and easy way to follow.

  • Simply downloading the program, and clicking on it
  • Using gdebi
  • dpkg – Debian Package Management System
  • apt to install packages

1.  Double click the downloaded .deb file

This is the easiest and simple way to install a deb package onto the Ubuntu or Debian system. Users don’t need to do anything, just download the desired .deb file and double-click it. The application will be opened in the software center and show an Install button. Just click on it and voila, it’s done.

2.  Using gdebi

gdebi is one of the best ways to install deb files on Ubuntu Linux system. I personally prefer to use this system. gdebi will collect all the necessary dependencies before installing the main .deb file. It will always try to remove the dependency errors while performing deb file installation. Install gdebi onto your system before you go for installing deb file. gdebi is available for both the ways “Terminal/Shell” and GUI – Graphical User Interface. Installing through gdebi is efficient and fast compared to Ubuntu software center.

  • Installing gdebi

Run the following command into the Terminal to install gdebi.

sudo apt install gdebi-core
  • Install .deb packages with gdebi
sudo gdebi /path/to/filename.deb

Example:

sudo gdebi google-chrome-stable_current_i386.deb

3.  dpkg – Debian Package Management System

Installing a deb package through dpkg is a bit for advanced users but most reliable one.

  • Install a package

To install a deb file, open the Terminal and run the following command:

sudo dpkg -i .deb

Example:

sudo dpkg -i google-chrome-stable_current_i386.deb
  • Resolve Dependency Errors

Run the below command if you get any dependency errors. It will fix all the errors.

sudo apt-get install -f
  • Remove the application

If you want to uninstall a software, run the command into the Terminal.

dpkg -r packagename.deb
  • To Reconfigure/Repair the deb installation
sudo dpkg-reconfigure packagename

4.  Apt to install packages ( apt-get tool )

There is another way to install deb files on Ubuntu system that is an apt-get tool.

sudo apt install ./name.deb

(./ if in current dir) or (/path/to/package/name.deb)

You must move the deb file into /var/cache/apt/archives/ if the Ubuntu system is old enough. The above command will download all the necessary dependencies when running into the Terminal.

Final Thought

Debian or .deb packages are the executable files which can be installed on Ubuntu. If the user wants, can install any deb files onto the Ubuntu Linux system. Most of the modern “apt-get” can install the deb packages but most reliable and simple way is to follow dpkg or gdebi installer.

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