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QT is a cross-platform application framework widely used in software development, especially for creating graphical user interfaces and multi-platform applications. QT provides various widgets and themes that can be used to make applications interactive and aesthetically appealing. This blog post aims to provide a step-by-step guide on how to install QT5 on Ubuntu 20.04 for those who want to develop software using this framework.
Video Tutorial:
What’s Needed
To install QT5 on Ubuntu 20.04, you will need the following:
- Ubuntu 20.04 installed on your machine
- Superuser access to the Ubuntu system with a password
What Requires Your Focus?
Installing QT5 on Ubuntu can seem a bit complicated at first, but with the right approach, it’s a breeze. You need to make sure you have a stable and fast internet connection and pay careful attention to the terminal output during the installation process. Additionally, make sure to follow the steps accordingly and avoid skipping any step.
Different Methods to Install QT5 on Ubuntu 20.04
Here are three methods to install QT5 on Ubuntu 20.04:
Method 1: Installing from Ubuntu Repository
Step 1: Open Terminal (CTRL + ALT + T)
Step 2: Update packages and dependencies in your system:
"`
sudo apt-get update && sudo apt-get upgrade -y
"`
Step 3: Install QT5 using the following command:
"`
sudo apt-get install qt5-default -y
"`
Step 4: Verify the installed QT version using the following command:
"`
qmake -v
"`
Pros:
– Easy installation process
– Support from the Ubuntu repository
– It provides a stable version of QT5
Cons:
– It may not have the latest version of QT5.
Method 2: Installing QT5 from QT Website
Step 1: Visit The QT website and download the latest version of QT5
Step 2: Switch to the downloaded directory and extract the installer file
"`
cd ~/Downloads
chmod +x QT-Installer-File.run
./QT-Installer-File.run
"`
Step 3: Select the installation directory, components, and features that you want to install
Step 4: Start the installation process by clicking on the ‘Install’ button
Pros:
– It provides the latest version of QT5.
– Flexibility in choosing features and options.
Cons:
– The installation process may take a bit more time.
– May require frequent updates.
Method 3: Installing QT5 via apt-get Command
Step 1: Add the QT5 PPA repository to Ubuntu 20.04:
"`
sudo add-apt-repository ppa:beineri/opt-qt-5.15.1-focal -y
"`
Step 2: Update the newly added repository index:
"`
sudo apt update
"`
Step 3: Install the QT5 package using the following command:
"`
sudo apt install qt515-meta-full qt515tools
"`
Step 4: Close the terminal and open it again to reload the new environment.
"`
echo "source /opt/qt515/bin/qt515-env.sh" >> ~/.bashrc
"`
Step 5: Verify the installation process
"`
qmake -v
"`
Pros:
– Provides the latest version of QT5.
– Flexibility in choosing features and options.
Cons:
– The package may have issues with the Ubuntu system.
Why Can’t I Install QT5 on Ubuntu 20.04?
If you face issues while installing QT5 on Ubuntu 20.04, there might be several reasons behind that.
1. Network connectivity issues: If you’re facing issues while downloading QT5, there may be connectivity issues with your network.
Fix: Check your network configuration or try changing your internet connection.
2. Permission issues: If you’re unable to extract or install QT5, there might be permission issues with your user account.
Fix: Run the command with superuser access.
3. Incompatible package: Some packages may not be compatible with Ubuntu 20.04, causing conflicts and errors.
Fix: Check for compatibility or consult the official documentation.
Implications and Recommendations
Installing the latest version of QT5 on Ubuntu 20.04 is essential for software development. It provides various widgets and tools that can be used to create multi-platform applications. However, you need to ensure stability, security, and compatibility while installing and using QT5. Moreover, it would help if you kept yourself up-to-date with the latest patches and releases to avoid any issues.
Frequently Asked Questions (5 FAQs) about Installing QT5 on Ubuntu 20.04
Q1: What is the QT framework?
A: QT is an open-source cross-platform framework that allows developers to create graphical user interfaces.
Q2: Can I install QT5 on older versions of Ubuntu?
A: Yes, you can install QT5 on all supported versions of Ubuntu.
Q3: What is the minimum system requirement for installing QT5 on Ubuntu 20.04?
A: There’s no specific minimum requirement, but having 4 GB of RAM and 5 GB of free disk space can run QT5 smoothly.
Q4: How can I check the version of QT5 installed on my Ubuntu 20.04 system?
A: You can check the version of QT5 using the command ‘qmake -v’ on your terminal.
Q5: Can I use QT Creator alongside QT5?
A: Yes, QT Creator is an integrated development environment for QT developers and can be used alongside QT5.
Final Words
Installing QT5 on Ubuntu 20.04 is vital for software development. It ensures that you have access to all necessary widgets and tools to create aesthetically appealing applications. In this blog post, we have discussed three different ways to install QT5 on Ubuntu 20.04. You can choose the method that suits your requirements and preferences. Remember to keep your system secure and up-to-date to avoid any issues.