- sudo apt-get install -y python3-venv
sudo apt-get install -y python3-venv
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
bridge-utils dns-root-data dnsmasq-base libevent-core-2.1-7 libevent-pthreads-2.1-7 libidn11 libopts25 sntp ubuntu-fan
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
python3.8-venv
The following NEW packages will be installed:
python3-venv python3.8-venv
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
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- python3 -m venv venv
创建venv目录，python虚拟环境目录，最后的目录名称可以自定义
python3 -m venv venv
ls venv
bin include lib lib64 pyvenv.cfg share
- 进入虚拟环境，查看初始package、python版本
source venv/bin/activate
(venv) dnac@ubuntu20:~$
(venv) dnac@ubuntu20:~$
(venv) dnac@ubuntu20:~$ python3
Python 3.8.10 (default, Jun 2 2021, 10:49:15)
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
(venv) dnac@ubuntu20:~$ python
Python 3.8.10 (default, Jun 2 2021, 10:49:15)
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
(venv) dnac@ubuntu20:~$ pip list
Package Version
------------- -------
pip 20.0.2
pkg-resources 0.0.0
setuptools 44.0.0
- deactivate 退出python虚拟环境
deactivate
dnac@ubuntu20:~/venv/bin$
- 先安装 venv 模块： sudo apt-get install python3.9-dev python3.9-venv
sudo apt-get install python3.9-dev python3.9-venv
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
bridge-utils dns-root-data dnsmasq-base libevent-core-2.1-7 libevent-pthreads-2.1-7 libidn11 libopts25 sntp ubuntu-fan
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
libpython3.9 libpython3.9-dev
The following NEW packages will be installed:
libpython3.9 libpython3.9-dev python3.9-dev python3.9-venv
0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 6,353 kB of archives.
After this operation, 27.3 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://archive.ubuntu.com/ubuntu focal-updates/universe amd64 libpython3.9 amd64 3.9.5-3~20.04.1 [1,713 kB]
Get:2 http://archive.ubuntu.com/ubuntu focal-updates/universe amd64 libpython3.9-dev amd64 3.9.5-3~20.04.1 [4,124 kB]
Get:3 http://archive.ubuntu.com/ubuntu focal-updates/universe amd64 python3.9-dev amd64 3.9.5-3~20.04.1 [511 kB]
Get:4 http://archive.ubuntu.com/ubuntu focal-updates/universe amd64 python3.9-venv amd64 3.9.5-3~20.04.1 [5,444 B]
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- 之后步骤和3.8相同
- python3.9 -m venv sandbox3.9 下方例子为：创建sandbox3.9 目录，并激活3.9虚拟环境：
python3.9 -m venv sandbox3.9
dnac@ubuntu20:~$ source sandbox3.9/bin/activate
(sandbox3.9) dnac@ubuntu20:~$ python
Python 3.9.5 (default, May 19 2021, 11:32:47)
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
(sandbox3.9) dnac@ubuntu20:~$ pip list
Package Version
------------- -------
pip 20.0.2
pkg-resources 0.0.0
setuptools 44.0.0