ubuntu server 14.04LTS升级Python3.5

依次执行如下命令：需要root权限，普通用户可以使用sudo 来执行以下命令

root@ubuntu-server:~# add-apt-repository ppa:fkrull/deadsnakes

root@ubuntu-server:~# apt-get update

root@ubuntu-server:~# apt-get install python3.5

root@ubuntu-server:~# python

Python 2.7.6 (default, Jun 22 2015, 17:58:13)

[GCC 4.8.2] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> exit()

这样就安装好了，不过由于环境变量的影响，因此，默认情况下，输入python进入的是python2.7.6，输入python3进入的是python3.4，只有输入python3.5才进入到python3.5。因此我们可以根据需要做以下更改：

root@ubuntu-server:~# ln -s /usr/bin/python3.5 /usr/bin/python35

root@ubuntu-server:~# python35

Python 3.5.3 (default, Apr 22 2017, 00:00:00)

[GCC 4.8.4] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>>

root@ubuntu-server:~# mv /usr/bin/python3 /usr/bin/python34

root@ubuntu-server:~# python34

Python 3.4.3 (default, Oct 14 2015, 20:28:29)

[GCC 4.8.4] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>>

安装pip

root@ubuntu-server:~# wget https://bootstrap.pypa.io/get-pip.py

root@ubuntu-server:~# python35 get-pip.py

root@ubuntu-server:~# pip3 install setuptools –upgrade

root@ubuntu-server:~# pip -V

pip 9.0.1 from /usr/local/lib/python3.5/dist-packages (python 3.5)

新手小白初学Python，如有错误之处，欢迎指正。

巴特西

ubuntu server 14.04LTS升级Python3.5

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