How To Install qrencode on Ubuntu 22.04
In this guide, we’ll discuss How To Install qrencode on Ubuntu 22.04.
Also, we will demonstrate how to uninstall and update
qrencode
.
One-liner install command
For those in a hurry, here's a one-line installation command:
sudo apt-get update && sudo apt -y install qrencode
But if you are interested in the detailed steps with descriptions, the following information is for you.
What is qrencode
and what are
the ways to install it?
Short description: QR Code encoder into PNG image
Before beginning this tutorial, you will need access to a server or computer running Ubuntu 22.04. This guide was written specifically with a server running Ubuntu 22.04 in mind, although it should also work on older, supported versions of the operating system.
Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.
There are several ways to install qrencode on Ubuntu 22.04. You can use (links are clickable):
In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.
Install qrencode using apt-get
First, update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt-get
database,
You can install qrencode using apt
by running the
following command:
sudo apt -y install qrencode
Install qrencode using apt
Because qrencode is available in Ubuntu 22.04’s default repositories, it is possible to install it from these repositories using the apt packaging system.
To begin, update apt database with apt
using the following command.
sudo apt update
After updating apt
database,
You can install qrencode using apt
by running the
following command:
sudo apt -y install qrencode
Install qrencode using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu 22.04. Update apt database with aptitude using the following command.
sudo aptitude update
After updating aptitude
database,
You can install qrencode by running the following command:
sudo aptitude -y install qrencode
How to upgrade (update) a single package qrencode using apt-get?
First, you will need to update packages index. Run update
command as
usual:
sudo apt-get update
Next, to upgrade only the qrencode, e.g. single package, you should use the following format with the apt-get command/apt command:
sudo apt-get --only-upgrade install qrencode
Note that this command will not install any new packages! If you wish to install the
package if it doesn't exist you may leave out --only-upgrade
part.
It's Good to Know:
sudo apt-get install qrencode
This will upgrade the package even if is already installed.
How To Uninstall qrencode from Ubuntu 22.04
To uninstall only the qrencode
package you can execute
the
following command:
sudo apt-get remove qrencode
Uninstall qrencode and all its dependencies
To uninstall qrencode and its dependencies that are no longer needed by Ubuntu 22.04, you can use the command below:
sudo apt-get -y autoremove qrencode
Remove qrencode with all configurations and data
To remove qrencode configuration and data
from your system you can run the following purge
command:
sudo apt-get -y purge qrencode
Remove qrencode completely (configurations, data and all of its dependencies)
And lastly, you can run the next command to remove absolutely everything related to qrencode package, e.g.: configurations, data and all of its dependencies. Just use this command:
sudo apt-get -y autoremove --purge qrencode
Extra info and code examples
Qrencode is a utility software using libqrencode to encode string data in a QR Code and save as a PNG or an EPS image.
- Maintainer: NIIBE Yutaka
- Sources url: https://fukuchi.org/works/qrencode/index.html.en
- Section/Category: utils
Conclusion
You now have a full guide on how to install qrencode
using apt, apt-get and aptitude tools.
Also, we showed how to update as a single package and different ways to uninstall
the qrencode from Ubuntu 22.04.