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How to install virtual environment on ubuntu 16.04

How to install virtualenv:

Install pip first

sudo apt-get install python3-pip

Then install virtualenv using pip3

sudo pip3 install virtualenv 

Now create a virtual environment

virtualenv venv 

you can use any name insted of venv

You can also use a Python interpreter of your choice

virtualenv -p /usr/bin/python2.7 venv

Active your virtual environment:

source venv/bin/activate

Using fish shell:

source venv/bin/activate.fish

To deactivate:

deactivate

Create virtualenv using Python3

virtualenv -p python3 myenv

Instead of using virtualenv you can use this command in Python3

python3 -m venv myenv
@ivotron
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ivotron commented Jun 27, 2018

I was getting the following:

Exception:
Traceback (most recent call last):
  File "/home/ivo/venvs/sk3/lib/python3.5/site-packages/pip/_internal/basecommand.py", line 228, in main
    status = self.run(options, args)
  File "/home/ivo/venvs/sk3/lib/python3.5/site-packages/pip/_internal/commands/install.py", line 335, in run
    use_user_site=options.use_user_site,
  File "/home/ivo/venvs/sk3/lib/python3.5/site-packages/pip/_internal/req/__init__.py", line 49, in install_given_reqs
    **kwargs
  File "/home/ivo/venvs/sk3/lib/python3.5/site-packages/pip/_internal/req/req_install.py", line 748, in install
    use_user_site=use_user_site, pycompile=pycompile,
  File "/home/ivo/venvs/sk3/lib/python3.5/site-packages/pip/_internal/req/req_install.py", line 961, in move_wheel_files
    warn_script_location=warn_script_location,
  File "/home/ivo/venvs/sk3/lib/python3.5/site-packages/pip/_internal/wheel.py", line 216, in move_wheel_files
    prefix=prefix,
  File "/home/ivo/venvs/sk3/lib/python3.5/site-packages/pip/_internal/locations.py", line 165, in distutils_scheme
    i.finalize_options()
  File "/usr/lib/python3.5/distutils/command/install.py", line 388, in finalize_options
    ('build_lib', 'build_lib'))
  File "/usr/lib/python3.5/distutils/cmd.py", line 286, in set_undefined_options
    src_cmd_obj = self.distribution.get_command_obj(src_cmd)
  File "/usr/lib/python3.5/distutils/dist.py", line 857, in get_command_obj
    self._set_command_options(cmd_obj, options)
  File "/usr/lib/python3.5/distutils/dist.py", line 901, in _set_command_options
    % (source, command_name, option))
distutils.errors.DistutilsOptionError: error in setup.cfg: command 'build' has no such option 'i18n'

Since I don't mind to use 2.7, this is what ended up working for me:

sudo apt install python-pip python-distutils-extra python-elib.intl
sudo pip install virtualenv 

Something similar might be available for python3

@skiz
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skiz commented Jul 3, 2018

pip installed binaries are located at ~/.local/bin, so you need to add that to your path.

echo "export PATH=~/.local/bin:$PATH" > ~/.profile 
source ~/.profile

@BillyZafack
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Just in case you are on running vagrant add '--always-copy'

@GitauHarrison
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Thank Y'all! This was helpful

@MohammedNagdy
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How do you make virtualenv global?

@vivonk
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vivonk commented Jan 24, 2019

virtualenv are not intended for global thing. If you want some dependency on global access, they are already @MohammeNagdy

@connelevalsam
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Yeah...
Just:
mkdir project
cd project
sudo apt-get install python3-pip
pip3 install virtualenv
python3 -m venv myenv

then you start installing all the libraries you need for that project

@0-admin
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0-admin commented Apr 15, 2019

I dob't care, guis) Im protecting as you are, but you can see it

@0-admin
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0-admin commented Apr 15, 2019

I don't have a terminal

@Mamu9-zz
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If you have Python3.3 and newer version, venv is already there. Here how it worked for me without installing virtualenv.

python -m venv .

python -m venv without period didn't work

Screenshot from 2019-09-22 05-29-47

ls command displayed bin include lib share and pyvenv.cfg files

Screenshot from 2019-09-22 05-40-40

After that I activated the venv and installed Django. And then run the server and created the project mamusite

Screenshot from 2019-09-22 06-19-16

@bhatbhupendra
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OSError: [Errno 9] Bad file descriptor
my error while creating the virtual env

@kibablu
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kibablu commented Nov 18, 2020

Steps I followed:

sudo apt-get install python3-pip
pip3 install virtualenv 
virtualenv venv 

But I get error as:

The program 'virtualenv' is currently not installed. You can install it by typing:
sudo apt install virtualenv

use sudo apt-get update then use sudo apt-get install virtualenv

@kibablu
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kibablu commented Nov 18, 2020

OSError: [Errno 9] Bad file descriptor
my error while creating the virtual env

could you please provide more details, like

  • what OS are you using

  • what command did you run and displayed an error

  • do you have any screenshots you can share

@mursalatul
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can anyone please tell me why i cant use virtualenv in this directory? i am using ubuntu LTS 20.04
image

@kibablu
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kibablu commented Mar 31, 2021

@mursalatul could you please name dele to venv your command should look like this source venv/bin/activate
you can create venv using this command python3 -m venv venv

@amanprakashsingh
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Screenshot from 2021-04-04 01-23-15
it is telling permission denied what to do ?

@OjiboVictor
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Hi ,I have installed pip3 and the virtual environment but I'm unable to activate it. I really tried running the pip3 install virtualenv and this is what it is displaying....

C:\Users\USER>pip3 install virtualenv
Requirement already satisfied: virtualenv in c:\users\user\appdata\local\programs\python\python39\lib\site-packages (20.4.7)
Requirement already satisfied: filelock<4,>=3.0.0 in c:\users\user\appdata\local\programs\python\python39\lib\site-packages (from virtualenv) (3.0.12)
Requirement already satisfied: six<2,>=1.9.0 in c:\users\user\appdata\local\programs\python\python39\lib\site-packages (from virtualenv) (1.16.0)
Requirement already satisfied: distlib<1,>=0.3.1 in c:\users\user\appdata\local\programs\python\python39\lib\site-packages (from virtualenv) (0.3.2)
Requirement already satisfied: appdirs<2,>=1.4.3 in c:\users\user\appdata\local\programs\python\python39\lib\site-packages (from virtualenv) (1.4.4)

Please can you help me out? Thank you

@Almistro12
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ice_screenshot_٢٠٢٢٠١١٨-٠٧٤٢١٤

@abhishekprajapati1
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Thanks. it worked for me in zorin os

@mursalatul
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@mursalatul could you please name dele to venv your command should look like this source venv/bin/activate you can create venv using this command python3 -m venv venv

thank you. i appreciate it.

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