source "env_name"/bin/activate
python3 -m venv /path/to/directory.
env/bin/activate
python -m venv new-env
[necrailk@server6 ~/virtual]$ . bin/activate
/bin/.: Permission denied.
$ virtualenv venv --distribute
New python executable in venv/bin/python
Installing distribute.........done.
Installing pip................done.
$ source venv/bin/activate
(venv)$ python