How to Install Linux Mint’s Web App Manager in Ubuntu 20.04

Last updated: February 21, 2021

The latest Linux Mint 20.1 introduced a new application, Web App Manager, allows to turn any web pages into desktop applications. Like a normal application, web app has its own window, its own icon, and can be launched from system app menu.

Ubuntu used to have web apps integration when it was Ubuntu 14.04. The project was however discontinued.

For those want to try out the new Web App Manager from Linux Mint, here’s how to install it in Ubuntu 20.04.

Download & Install the DEB binary via direct link:

If you just want to try it out, the DEB binary package is available to download via Linux Mint ftp download page:

Download Web App Manager (.deb)

Grab it and install the package either via Gdebi package installer or by running command in terminal:

sudo apt install ./Downloads/webapp-manager*.deb

Add Linux Mint repository & Receive software udpates (for Web App Manager only):

You are able to add Linux Mint repository and only receive updates for the app from that repository.

1.) First download the key (it’s “linuxmint-keyring_2016.05.26_all.deb” so far):

Linux Mint Keyring

And install it via command:

sudo apt install ./Downloads/linuxmint-keyring*.deb

2.) Add Linux Mint 20 repository by running command:

sudo sh -c 'echo "deb ulyssa main" >> /etc/apt/sources.list.d/mint.list'

3.) Set the priority to make Ubuntu only install webapp-manager from Linux Mint repository.

Run command to create and open the configuration file in text editor:

sudo gedit /etc/apt/preferences.d/mint-ulyssa-pin

When it opens, paste below lines and save the file.

# Allow upgrading only webapp-manager from Ulyssa repository
Package: webapp-manager
Pin: origin
Pin-Priority: 500

# Never prefer other packages from the Ulyssa repository
Package: *
Pin: origin
Pin-Priority: 1

4.) Now run apt update command to refresh your system package cache:

sudo apt update

5.) Before installing the webapp-manager package, try command:

sudo apt install webapp-manager --simulate

It won’t really install the package, but only list which packages will be installed, including the package versions (which marked with package source, Ubuntu or Linux Mint).

6.) To finally install the application, run command:

sudo apt install webapp-manager

How to Remove Web App Manager:

To remove the application, simply open terminal and run command:

sudo apt remove --auto-remove webapp-manager

To remove the Linux Mint repository, remove the relevant line from Software & Updates -> Other Software.

And you may also remove the config file created to set the priority, via command:

sudo rm /etc/apt/preferences.d/mint-ulyssa-pin

via: reddit


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5 responses to How to Install Linux Mint’s Web App Manager in Ubuntu 20.04

  1. now this is a good how-to

  2. Have you managed to get the window decoration working? I have installed the webapp-manager on a regular Ubuntu 20.04 and used it with Firefox. It’s a pretty slick tool, but unfortunately it does not show a toolbar or buttons of any kind, resizing or moving the window is also not possible – it only knows fullscreen mode or the window sitting in place where it opened. That’s a bummer, as I really like using webapps for very specific use cases. As the snap Chromium now also does not offer working webapps anymore, I am stuck with Epiphany.

    • Try pressing Alt to show menu, then go to View > Toolbar > Customize Toolbar. Then enable title-bar.