How to install pip on CentOS / Red Hat / Fedora

Installing pip on different Linux distributions involves varying commands and package managers. For distributions like Fedora, CentOS, and RHEL, you can use the dnf or yum package managers. On Arch Linux, you would use the pacman package manager.

In these systems, installing pip requires fetching the appropriate packages to ensure both Python and pip3 are available. The process is generally straightforward but varies slightly depending on the distribution and its version.

Properly installing pip is essential for managing Python packages effectively across different environments. This allows for easy installation, updates, and management of libraries using pip.

1. Open terminal application.
2. Install pip package using dnf.

   $ sudo dnf install --assumeyes python3-pip
   [sudo] password for user:
   CentOS-8 - AppStream                                 11 kB/s | 4.3 kB     00:00
   CentOS-8 - Base                                     2.8 kB/s | 3.9 kB     00:01
   CentOS-8 - Extras                                   3.8 kB/s | 1.5 kB     00:00
   Dependencies resolved.
   ====================================================================================
    Package             Arch    Version                               Repository  Size
   ====================================================================================
   Installing:
    python3-pip         noarch  9.0.3-15.el8                          AppStream   19 k
   Installing dependencies:
    python36            x86_64  3.6.8-2.module_el8.1.0+245+c39af44f   AppStream   19 k
    python3-setuptools  noarch  39.2.0-5.el8                          BaseOS     162 k
   
   Transaction Summary
   ====================================================================================
   Install  3 Packages
   
   Total download size: 201 k
   Installed size: 466 k
   ##### snipped

   Install python2-pip package instead if you're installing for Python 2.x.

3. Run pip command to test if installation was successful and to check installed version.

   $ pip3 --version
   pip 9.0.3 from /usr/lib/python3.6/site-packages (python 3.6)

   Run pip2 if you've installed python2-pip package.

   More options for the command:

   $ pip3 --help
   
   Usage:
     pip <command> [options]
   
   Commands:
     install                     Install packages.
     download                    Download packages.
     uninstall                   Uninstall packages.
     freeze                      Output installed packages in requirements format.
     list                        List installed packages.
     show                        Show information about installed packages.
     check                       Verify installed packages have compatible dependencies.
     search                      Search PyPI for packages.
     wheel                       Build wheels from your requirements.
     hash                        Compute hashes of package archives.
     completion                  A helper command used for command completion.
     help                        Show help for commands.
   
   General Options:
     -h, --help                  Show help.
     --isolated                  Run pip in an isolated mode, ignoring environment
                                 variables and user configuration.
     -v, --verbose               Give more output. Option is additive, and can be
                                 used up to 3 times.
     -V, --version               Show version and exit.
     -q, --quiet                 Give less output. Option is additive, and can be
                                 used up to 3 times (corresponding to WARNING, ERROR,
                                 and CRITICAL logging levels).
     --log <path>                Path to a verbose appending log.
     --proxy <proxy>             Specify a proxy in the form
                                 [user:passwd@]proxy.server:port.
     --retries <retries>         Maximum number of retries each connection should
                                 attempt (default 5 times).
     --timeout <sec>             Set the socket timeout (default 15 seconds).
     --exists-action <action>    Default action when a path already exists: (s)witch,
                                 (i)gnore, (w)ipe, (b)ackup, (a)bort.
     --trusted-host <hostname>   Mark this host as trusted, even though it does not
                                 have valid or any HTTPS.
     --cert <path>               Path to alternate CA bundle.
     --client-cert <path>        Path to SSL client certificate, a single file
                                 containing the private key and the certificate in
                                 PEM format.
     --cache-dir <dir>           Store the cache data in <dir>.
     --no-cache-dir              Disable the cache.
     --disable-pip-version-check
                                 Don't periodically check PyPI to determine whether a
                                 new version of pip is available for download.
                                 Implied with --no-index.