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In the latest version (Loki 0.4 Stable), I can't open .deb files with AppCenter, like Ubuntu.

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  • A note from another question: there are two gdebi installers in AppCenter and the one without the Debian icon worked better for this user
    – wolf
    Commented Oct 3, 2016 at 1:36

5 Answers 5

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57

Use Eddy (the recommended, graphical, elementary way)

Read this other answer about using Eddy, which can be installed in AppCentre.

Use gdebi-cli

sudo gdebi package.deb

Use gdebi GUI

sudo apt install gdebi

Then open the package using gdebi

Use apt (the proper cli way)

sudo apt install ./package.deb

Use dpkg (the way that doesn't resolve dependencies)

sudo dpkg -i package.deb
sudo apt install -f

Note that attempting to install a .deb that is inside an .iso can cause errors, so you may want to copy it to your downloads folder.

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  • 1
    I didn't know that you could install local .deb packages with apt. Thanks for that. About gdebi, does it resolves dependencies?
    – Andrés Buitrago
    Commented Sep 10, 2016 at 20:24
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    It tries too, but it doesn't always work.
    – Lewis Goddard ♦
    Commented Sep 10, 2016 at 20:37
  • gdebi can also be found in the AppCenter as GDebu Package Installer. This way no terminal is required.
    – Peter Uithoven
    Commented Feb 7, 2017 at 17:29
  • I wasn't able to use gdebi, it didn't accept my password, it asks for the user root password?!? Well looks like i'ts not trying to do a "sudo", thats strange (fresh loki install as of yesterday) - the other answer with gnome-software was fine
    – Dionysius
    Commented Apr 10, 2017 at 11:37
  • This answer is so freaking helpful I wish I could upvote 10x!
    – P.Brian.Mackey
    Commented May 16, 2017 at 22:24
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One easy way to install Debian files easily is to install Eddy. Run this command to install it

sudo apt install eddy

As Seth noted out in the comments, the previous does not work in Elementary OS 5.0 Juno. Try this instead:

sudo apt install com.github.donadigo.eddy

To install a Debian package with Eddy first you open it and it will show this page:

enter image description here

If you downloaded the Debian package into your Downloads folder, you can click the "Load from Download" option. It will then show the screen below. Then you can click install on whatever package you need to.

enter image description here

Or, you can select the "Open" button. It will show the file manager and you can choose what file you want to install.

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    For others in the future looking at this question. As of September 2017 this is the correct answer as the software for Elementary OS has matured and this is the best curated .deb installer for Elementary and can also be found featured on the app store.
    – Eosdude
    Commented Sep 8, 2017 at 21:23
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    Installing via apt using the short name does not appear to work on Juno 5.0. Try sudo apt install com.github.donadigo.eddy instead.
    – Sysfu
    Commented Apr 22, 2019 at 19:51
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You can use the options already provided. Or you can install Gnome Software.

sudo apt install gnome-software

Gnome Software is the new shop for Ubuntu 16.04. With it you can install the .deb package, and the same list these softwares installed, options that the AppCenter doesn't have.

The Gnome Software does not disable AppCenter.

enter image description here

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4

You can use gdebi app. Install it first from your Terminal

sudo apt install gdebi

Then use gdebi to install the .deb file

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3

You can use command dpkg in terminal to install .deb files.

Usage: sudo dpkg --install /path/to/deb/file.deb

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