momota/venv.md

Last active October 29, 2018 09:41

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environment

OS is Ubuntu 18.04.1 LTS.

$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.1 LTS"

Default python's version is 2.x.

$ python -V
Python 2.7.15rc1

$ sudo apt-get install python3-venv

# python3 -m venv [new-venv-name]
$ python3 -m venv YOUR-VENV

# source [new-venv-name]/bin/activate
# or
# . [new-venv-name]/bin/activate
$ source YOUR-VENV/bin/activate

Confirm the version of Python.

(YOUR-VENV) $ python -V
Python 3.6.6

(YOUR-VENV) $ deactivate

Confirm the version of Python.

$ python -V
Python 2.7.15rc1

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