can`t upgrade pip to the newest version 9.0.1 (OS:ubuntu 16.04LTS)

Question

OS: ubuntu 16.04LTS

Python: 2.7.12 + Anaconda2-4.2.0 (64 bit)

I typed pip install --upgrade $TF_BINARY_URL to install tensorflow but terminal showed that my pip verson was 8.1.1, however version 9.0.1 is available.

Then I typed pip install --upgrade pip to upgrade but it showed Requirement already up-to-date: pip in ./anaconda2/lib/python2.7/site-packages,

I still can't use pip version 9.0.1 to install tensorflow. Does anyone know what's going on ??

Answer 1

sudo -H pip install --upgrade pip

sudo is "super user do". This will allow you to execute commands as a super user. The H flag tells sudo to keep the home directory of the current user. This way when pip installs things, like pip itself, it uses the appropriate directory.