I want to install python package networkx in the server I use, and I do search before I ask this question, it says to use
pip install --user networkx
but it doesn't work and the linux error is
Usage: /usr/bin/pip install [OPTIONS] PACKAGE_NAMES...
/usr/bin/pip install: error: no such option: --user
anyone can help? How can I install networkx package in the server?
If virtualenv is installed on the server, you can create a virtual environment:
virtualenv your_env_name
Then activate it:
source your_env_name/bin/activate
Then install all your desired packages via
pip install packagename
However, if virtualenv is not installed yet, you should take a look at this thread where the same question has been answered already.
It is still better to use a separate virtualenv for each of your projects, because then you can easily export your dependencies using
pip freeze > requirements.txt
You could add this requirements.txt to your version control, and later, if you want to install your project on another machine, you can install all dependencies at once without messing with version numbers etc:
pip install -r requirements.txt
Maybe you need a newer version of pip? My version 1.1 works as expected
$ pip install --version
pip 1.1 from /usr/lib/python2.7/dist-packages (python 2.7)
$ pip install --user networkx
Requirement already satisfied (use --upgrade to upgrade): networkx in /home/aric/.local/lib/python2.7/site-packages
You can upgrade pip like this (instructions here too: http://www.pip-installer.org/en/latest/installing.html)
$ wget https://raw.github.com/pypa/pip/master/contrib/get-pip.py
$ python get-pip.py --user
Downloading/unpacking pip from https://pypi.python.org/packages/source/p/pip/pip-1.4.1.tar.gz#md5=6afbb46aeb48abac658d4df742bff714
Downloading pip-1.4.1.tar.gz (445kB): 445kB downloaded
Running setup.py egg_info for package pip
warning: no files found matching '*.html' under directory 'docs'
warning: no previously-included files matching '*.rst' found under directory 'docs/_build'
no previously-included directories found matching 'docs/_build/_sources'
Installing collected packages: pip
Running setup.py install for pip
warning: no files found matching '*.html' under directory 'docs'
warning: no previously-included files matching '*.rst' found under directory 'docs/_build'
no previously-included directories found matching 'docs/_build/_sources'
Installing pip script to /home/aric/.local/bin
Installing pip-2.7 script to /home/aric/.local/bin
Successfully installed pip
Cleaning up...
$ pip --version
pip 1.1 from /usr/lib/python2.7/dist-packages (python 2.7)
$ ~/.local/bin/pip --version
pip 1.4.1 from /home/aric/.local/lib/python2.7/site-packages (python 2.7)
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