Snap is a popular package manager that allows you to easily install software on Linux-based Operating Systems. It was developed and is maintained by Canonical. Snap was originally created for cloud-based applications, but its support has since been extended to include desktop applications and IoT devices. The packages installed using snap are referred to as snaps and the service that maintains the snaps is known as snapd.
In this article, we will briefly demonstrate how to install ksudoku – KSudoku, Sudoku game & more by KDE on Ubuntu using snap.
What is ksudoku
KSudoku is a free version of the popular logic game Sudoku developed by the KDE community. The game is to fill a nine by nine grid with the numbers from one to nine filling the rows, columns and three by three squares without repeating a value on them.
How to install snapd on Ubuntu
snapd is the service that runs and manages snaps for you, including performing automatic updates. Installation instructions and supported versioning information for each of the following Linux distributions can be found here.
If you’re running Ubuntu 16.04 LTS (Xenial Xerus) or later, including Ubuntu 18.04 LTS (Bionic Beaver), Ubuntu 18.10 (Cosmic Cuttlefish) and Ubuntu 19.10 (Eoan Ermine), you don’t need to do anything. Snap is already installed and ready to go.
For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for
Alternatively, snapd can be installed from the command line:
sudo apt update sudo apt install snapd
Once the command completed itself, update your system paths for snap by logging out and back in again, or restarting your computer.
For those who need to know which version of Ubuntu you’re running, open System Settings and select Details. Alternatively, from the command line, type
Verify that snapd is running
Before actually installing ksudoku, check the status of the “snapd” service by running the following command:
sudo systemctl status snapd.socket
In our case, it shows that the snapd service is already installed and running without any issues.
Install ksudoku snap – KSudoku, Sudoku game & more by KDE
Login to the Ubuntu system and then open the terminal by pressing CTRL+ALT+ T buttons. Run below command to install the ksudoku snap package. The ksudoku snap package is published by KDE and has been verified by the Snap team as safe. At the time of this writing, the current version of ksudoku is 1.4.21080. The software is licensed under GPL-2.0+ license.
sudo snap install --classic
--classic argument is required here as ksudoku needs full access to your system in order to be useful, therefore it needs snap’s “classic confinement”. By default, snaps are much more restricted in their ability to access your disk and network, and they have to request special access from you where they need it.
Please note that ksudoku package installed with
snap is auto-updated, which means you don’t have to do anything to be able to use the latest version of ksudoku, unlike with apt or yum.
You can find more details about ksudoku at its official website. Snaps are much more than just a new Linux package format – they’re a sophisticated way to deliver complex applications to any desktop environment! To get started with snaps, learn about their security features, transactions and more from the man page or Canonical’s advanced snap usage tutorial. There are also plenty of great snaps besides ksudoku – KSudoku, Sudoku game & more by KDE available in the store for your Linux desktop, like vscode, atom, slack and spotify.