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How to install PIP3 in Linux?

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Python, a versatile and widely-used programming language, has a powerful package management system called pip. Pip is used to install and manage Python packages effortlessly. In this article, we will explore the step-by-step process of installing pip3 on a Linux system. While pip is the package installer for Python 2, pip3 is specifically designed for Python 3

What is pip3?

pip3 is a package management system used to install and manage software packages written in Python. The name “pip” is a recursive acronym that stands for “Pip Installs Packages” or “Pip Installs Python.” The “3” in “pip3” specifically indicates that it is associated with Python 3, distinguishing it from the earlier version, “pip,” which is used with Python 2.

Here are some key aspects of pip3:

  1. Installation and Inclusion with Python 3:
    • pip3 is usually included with Python 3 installations, starting from Python 3.4 and above. This means that when you install Python 3 on your system, pip3 is also installed by default.
  2. Package Installation:
    • The primary purpose of pip3 is to simplify the process of installing external Python packages. These packages can include libraries, frameworks, tools, and other software written in Python.
  3. Package Retrieval from PyPI:
    • pip3 retrieves packages from the Python Package Index (PyPI), which is a repository of Python software maintained by the Python Software Foundation. PyPI hosts a vast collection of Python packages that developers can use in their projects.
  4. Dependency Resolution:
    • pip3 automatically resolves and installs dependencies for a given package. When you install a Python package, pip3 ensures that all the required dependencies are also installed.
  5. Upgrading Packages:
    • Developers can use pip3 to upgrade installed packages to their latest versions. This is particularly useful for ensuring that your project’s dependencies are up to date.
  6. Uninstallation of Packages:
    • If a package is no longer needed, pip3 provides a straightforward way to uninstall it from the system, helping to keep the environment clean and avoid potential conflicts.
  7. Version Management:
    • pip3 allows developers to install specific versions of a package, helping to maintain compatibility with their projects.

In summary, pip3 is a versatile and essential tool for Python developers, facilitating the management of external Python packages and streamlining the process of incorporating third-party software into Python projects.

Before we start with how to install pip for Python on Linux, let’s first go through the basic introduction to Python. Python is a widely-used general-purpose, high-level programming language. Python is a programming language that lets you work quickly and integrate systems more efficiently.

PIP is a package management system used to install and manage software packages/libraries written in Python. These files are stored in a large “on-line repository” termed as Python Package Index (PyPI). pip uses PyPI as the default source for packages and their dependencies. So whenever you type:

pip install package_name

pip will look for that package on PyPI and if found, it will download and install the package on your local system.

How to Install PIP3 in Linux

1. Verify Python Installation

Before installing pip3, it’s essential to ensure that Python 3 is installed on your Linux system. Open a terminal and type the following command:

python3 --version
checking version of python

checking version of python

This command should display the version of Python 3 installed on your system. If Python 3 is not installed, you can install it using your distribution’s package manager.

2. Update Package Manager

Ensure that your system’s package manager is up to date. Use the following commands based on your Linux distribution:

For Debian/Ubuntu-based systems:

sudo apt update
sudo apt upgrade

For Red Hat/Fedora-based systems:

sudo dnf update

3. Install pip3 in Linux

Once Python 3 is installed and the package manager is updated, you can install pip3. Use the following command:

For Debian/Ubuntu-based systems:

sudo apt-get install python3-pip
installing pip3 in linux

installing pip3 in linux

In this pip3 is already installed in Linux that is why it is displaying 0 upgraded , 0 newly installed.

For Red Hat/Fedora-based system:

sudo dnf install python3-pip

4. Verify pip3 Installation in Linux

One can easily verify if the pip has been installed correctly by performing a version check on the same. Just go to the command-line and execute the following command:

pip3 --version

This command should display the installed version of pip3.

Verify pip3 installation in Linux

Verify pip3 installation in Linux

5. Upgrade pip3 (Optional)

It’s a good practice to upgrade pip3 to the latest version. Use the following command:

sudo pip3 install --upgrade pip

This ensures that you have the latest version of pip3 with bug fixes and new features.

Conclusion:

In this guide, we covered the step-by-step process of installing pip3 on a Linux system. Ensuring that Python 3 is installed, updating the package manager, and installing pip3 are essential steps for a smooth installation process. With pip3 installed, you can easily manage and install Python packages for your projects.


Last Updated : 23 Jan, 2024
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