How To Install qtsinglecoreapplication on Fedora 34

qtsinglecoreapplication is Qt library to start applications only once per user Qt library to start applications only once per user

Introduction

In this tutorial we learn how to install qtsinglecoreapplication on Fedora 34.

What is `qtsinglecoreapplication`

For some applications it is useful or even critical that they are started only once by any user. Future attempts to start the application should activate any already running instance, and possibly perform requested actions, e.g. loading a file, in that instance. For console (non-GUI) applications, the QtSingleCoreApplication variant is provided, which avoids dependency on QtGui. qtsinglecoreapplication 2.6.1 41.fc34 x86_64 39 k qtsingleapplication-2.6.1-41.fc34.src.rpm fedora Qt library to start applications only once per user http GPLv3 or LGPLv2 with exceptions For some applications it is useful or even critical that they are started only once by any user. Future attempts to start the application should activate any already running instance, and possibly perform requested actions, e.g. loading a file, in that instance. For console (non-GUI) applications, the QtSingleCoreApplication variant is provided, which avoids dependency on QtGui.

We can use yum or dnf to install qtsinglecoreapplication on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install qtsinglecoreapplication.

Install qtsinglecoreapplication on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install qtsinglecoreapplication using dnf by running the following command:

sudo dnf -y install qtsinglecoreapplication

Install qtsinglecoreapplication on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install qtsinglecoreapplication using yum by running the following command:

sudo yum -y install qtsinglecoreapplication

How To Uninstall qtsinglecoreapplication on Fedora 34

To uninstall only the qtsinglecoreapplication package we can use the following command:

sudo dnf remove qtsinglecoreapplication

qtsinglecoreapplication Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/a7
/usr/lib/.build-id/a7/c8b6d2b04bf9d985263aef76b63e07831c7fcf
/usr/lib/libQtSolutions_SingleCoreApplication-2.6.so.1
/usr/lib/libQtSolutions_SingleCoreApplication-2.6.so.1.0
/usr/lib/libQtSolutions_SingleCoreApplication-2.6.so.1.0.0
/usr/share/licenses/qtsinglecoreapplication
/usr/share/licenses/qtsinglecoreapplication/LGPL_EXCEPTION
/usr/share/licenses/qtsinglecoreapplication/LICENSE.GPL3
/usr/share/licenses/qtsinglecoreapplication/LICENSE.LGPL
/usr/lib/.build-id
/usr/lib/.build-id/ea
/usr/lib/.build-id/ea/c4caabfbe231ea4a4dd3880e648836bec9b5d8
/usr/lib64/libQtSolutions_SingleCoreApplication-2.6.so.1
/usr/lib64/libQtSolutions_SingleCoreApplication-2.6.so.1.0
/usr/lib64/libQtSolutions_SingleCoreApplication-2.6.so.1.0.0
/usr/share/licenses/qtsinglecoreapplication
/usr/share/licenses/qtsinglecoreapplication/LGPL_EXCEPTION
/usr/share/licenses/qtsinglecoreapplication/LICENSE.GPL3
/usr/share/licenses/qtsinglecoreapplication/LICENSE.LGPL

References

[qtsinglecoreapplication website](http://doc.qt.digia.com/solutions/4/qtsingleapplication/qtsingleapplication.html http://doc.qt.digia.com/solutions/4/qtsingleapplication/qtsingleapplication.html)

Summary

In this tutorial we learn how to install qtsinglecoreapplication on Fedora 34 using yum and dnf.