Centos7安装Python虚拟环境之virtualenv

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步骤略

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[root@localhost ~]# /usr/local/python3.6.8/bin/pip3 install virtualenv

[root@localhost ~]# /usr/local/python3.6.8/bin/virtualenv --version

[root@localhost ~]# mkdir py_virtual

[root@localhost ~]# cd py_virtual

[root@localhost py_virtual]# /usr/local/python3.6.8/bin/virtualenv test

[root@localhost py_virtual]# ll

总用量 0

drwxr-xr-x. 4 root root 64 9月  26 09:55 test

[root@localhost py_virtual]# cd test1/

[root@localhost py_virtual]# source bin/activate  #激活虚拟环境

(test) [root@localhost py_virtual]# python -V

Python 3.6.8

(test) [root@localhost ~]# deactivate  #退出虚拟环境　

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[root@localhost py_virtual]# /usr/local/python3.6.8/bin/virtualenv --python /usr/local/python3.5.7/bin/python3 test1

[root@localhost py_virtual]# ll

总用量 0

drwxr-xr-x. 4 root root 64 9月  26 09:55 test

drwxr-xr-x. 4 root root 64 9月  26 10:09 test1

[root@localhost py_virtual]# cd test1/

[root@localhost test1]# source bin/activate

(test1) [root@localhost test1]# python -V

Python 3.5.7