Install numpy for Python3 command not found error

Question

Under /numpy folder

$ sudo python3 setup.py install
sudo：python3：command not found

Or try

$ sudo python3 distribute_setup.py
sudo：python3：command not found


$ python3
Python 3.2.2 (default, Sep 12 2013, 01:58:11) 
[GCC 4.6.3 20120306 (Red Hat 4.6.3-2)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>

which python3 says

$ which python3
/usr/local/bin/python3

Update:

$ sudo which python3
which: no python3 in (/sbin:/bin:/usr/sbin:/usr/bin)
$ sudo echo $PATH
/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/aws/bin:/home/xxxx/bin

Update2:

$ sudo sh -c 'echo $PATH'
/sbin:/bin:/usr/sbin:/usr/bin

I have rhel/redhat and successfully installed python3.2.2 by downloading the package. Those threads about apt-get don't work for this version. Does anyone has an idea?

Does redhat change the search path ($PATH) when using sudo? What do sudo which python3 and sudo echo $PATH say? — Warren Weckesser
– Warren Weckesser, Commented Sep 12, 2013 at 3:07
The result of sudo which python3 shows the problem. When you use sudo, /usr/local/bin is not in $PATH. I think sudo echo $PATH didn't do what I wanted; instead, check sudo sh -c 'echo $PATH'. — Warren Weckesser
– Warren Weckesser, Commented Sep 12, 2013 at 3:18
@WarrenWeckesser I already reinstalled. I don't know what's wrong and how to fix it. — juju
– juju, Commented Sep 12, 2013 at 3:21
You could try giving the full path to the python3 command: sudo /usr/local/bin/python3 setup.py install. — Warren Weckesser
– Warren Weckesser, Commented Sep 12, 2013 at 3:23
@WarrenWeckesser Problem solved, it's amazing. Thanks a lot! I just curious why this happens. Where could I add a line and point to this path? — juju
– juju, Commented Sep 12, 2013 at 3:29

Warren Weckesser · Accepted Answer · 2013-09-12 03:35:03Z

4

When using sudo in redhat, /usr/local/bin is not included in the search path. To run python3 with sudo, give the full path to the executable:

$ sudo /usr/local/bin/python3 setup.py install

answered Sep 12, 2013 at 3:35

Warren Weckesser

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Trigremm · Accepted Answer · 2016-02-25 09:59:43Z

1

Another rude solution is to copy symbolic link of python3 and pip3 from /usr/local/bin to /usr/bin :

$ sudo cp /usr/local/bin/python3 /usr/bin
$ sudo cp /usr/local/bin/pip3 /usr/bin

edited Feb 25, 2016 at 9:59

answered Feb 25, 2016 at 8:36

Trigremm

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