PIP installation steps and usage in Linux

Pip is similar to Yum in Redhat, and it's easy to install software. This section details the installation of PIP and how to use it, and I hope the article will help you understand the installation and use of PIP.

1. Pip Download and install
1.1 Pip Download

The code is as follows	Copy Code
# wget "HTTPS://PYPI.PYTHON.ORG/PACKAGES/SOURCE/P/PIP/PIP-1.5.4.TAR.GZ#MD5=834B2904F92D46AAA333267FB1C922BB"-- No-check-certificate

1.2 PIP Installation

The code is as follows	Copy Code
# TAR-XZVF Pip-1.5.4.tar.gz # CD pip-1.5.4 # python setup.py Install

2. PIP Usage Details
2.1 PIP Installation software

The code is as follows	Copy Code
# pip Install Somepackage [...] Successfully installed Somepackage

2.2 pip to view installed software

The code is as follows	Copy Code
# pip Show--files somepackage Name:somepackage version:1.0 Location:/my/env/lib/pythonx.x/site-packages Files: .. /somepackage/__init__.py [...]

2.3 pip checks which software needs to be updated

The code is as follows	Copy Code
# PIP List--outdated Somepackage (current:1.0 latest:2.0)

2.4 Pip Upgrade Software

The code is as follows	Copy Code
# pip Install--upgrade somepackage [...] Found Existing Installation:somepackage 1.0 Uninstalling Somepackage: Successfully uninstalled Somepackage Running setup.py Install for Somepackage Successfully installed Somepackage

2.5 pip Uninstall software

The code is as follows	Copy Code
$ pip Uninstall Somepackage Uninstalling Somepackage: /my/env/lib/pythonx.x/site-packages/somepackage Proceed (y/n)? Y Successfully uninstalled Somepackage

3. PIP Usage Example
3.1 Installing Redis

The code is as follows	Copy Code
# pip Install Redis

3.2 Uninstalling Redis

The code is as follows	Copy Code
# pip Uninstall Redis Uninstalling Redis: /usr/lib/python2.6/site-packages/redis-2.9.1-py2.6.egg-info ..... Omit some content .... Proceed (y/n)? Y Successfully uninstalled Redis

3.3 Viewing the software to be updated

The code is as follows	Copy Code
Pip List--outdate Pygpgme (current:0.1 latest:0.3) Pycurl (current:7.19.0 latest:7.19.3.1) Iniparse (current:0.3.1 latest:0.4)

4. Common errors
4.1 importerror No module named Setuptools
Please refer to "Importerror No module named Setuptools solution"

5. PIP parameter Explanation

The code is as follows

Copy Code

# pip--help Usage: Pip <command> [Options] Commands: Install the software. Uninstall uninstall the software. Freeze output the list of installed software in a certain format List lists the installed software. Show shows the software details. Search software, like search in Yum. Wheel Build wheels from your requirements. Zip is not recommended. Zip individual packages. Unzip not recommended. Unzip individual packages. Bundles are not recommended. Create Pybundles. Help current assistance. General Options: -H,--help displays help. -V,--verbose more output, can use up to 3 times -V,--version the actual version information and then exits. -Q,--quiet the least output. --log-file <path> Overwrite the way the verbose error log is logged, default file:/root/.pip/pip.log --log <path> logs that record verbose output are not overwritten. --proxy <proxy> Specify a proxy in the form [User:passwd@]proxy.server:port. --timeout <sec> Connection time-out (default 15 seconds). --exists-action <action> Default Action when a path already exists: (s) witch, (i) Gnore, (W) Ipe, (b) ackup. --cert <path> certificates.

6. End
The installation is easy to use at a glance. The boss doesn't want me to install the software any more.

PIP installation steps and usage in Linux