Screen command and python

Question

I want to run a process (a python program) on a remote machine. I have both Canopy and Anaconda installed.

After I SSH into the remote machine, if I type 'python', I get the python prompt - the Canopy version.

If I type 'screen', hit 'enter', then type 'python', I get the python prompt - the Anaconda version.

I want to use the Canopy version when I'm in 'screen'. How can I do so?

find full path to Canony python which python and later use this full path in screen. — furas
– furas, Commented Nov 2, 2016 at 3:35
Thank you, but this does not solve the problem. I type 'which python', and I get the path. If I type 'screen /path/to/Canopy', then I just get an active python session using Canopy. I would like to use my Canopy version to run a separate python program. I would like to type 'python program.py' and have it run from the Canopy version. — StatsSorceress
– StatsSorceress, Commented Nov 2, 2016 at 3:41
I was thinking about /path/to/Canopy/python or /path/to/Canopy/python script.py but I see you found this solution :). Maybe somewhere in screen configuration (or Bash configuration .bashrc) you could set alias python=/path/to/Canopy/python or something similar. — furas
– furas, Commented Nov 2, 2016 at 4:19

StatsSorceress · Accepted Answer · 2016-11-02 04:06:47Z

2

Solved! Here's how:

1) In terminal, after SSHing into the remote machine, type 'which python' (thanks @furas!). This gives path/to/Canopy/python

2) In terminal, type 'screen path/to/Canopy/python program.py' to run the desired program (called program.py) in the Canopy version of python.

answered Nov 2, 2016 at 4:06

StatsSorceress

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strobelight · Accepted Answer · 2016-11-02 12:33:47Z

2

To get the same environment with screen that you got when you logged in, create a .screenrc file in your home directory or add to an existing one, with a line

shell -/bin/bash

Exit out of all other screen sessions so that screen -ls shows nothing.

Restart screen by just typing screen and see if that fixes it.

answered Nov 2, 2016 at 12:33

strobelight

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