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2025-04-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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This paper gives an example of how to build python3 in CentOS7 environment and how to coexist with python2. Share with you for your reference, the details are as follows:
Note:
1. Non-root account plus sudo
2. Centos7 with Python 2.7.5 cannot be uninstalled, and many system-level software rely on this.
Installation dependency
# yum-y groupinstall "Development tools" # yum-y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
Download python3. Mine is Python-3.4.2.tgz.
# wget https://www.python.org/ftp/python/3.4.2/Python-3.4.2.tgz# mkdir / usr/local/python3# tar-zxvf Python-3.4.2.tgz# cd Python-3.4.2#. / configure-- prefix=/usr/local/python3# make & & make install# ln-s / usr/local/python3/bin/python3 / usr/bin/python3
test
View version
# python3Python 3.4.2 (default, Jul 19 2016, 03:47:32) [GCC 4.8.5 20150623 (Red Hat 4.8.5-4)] on linuxType "help", "copyright", "credits" or "license" for more information. >
Code testing
Create a new python script hello.py in the current directory
Content:
#! / usr/bin/python3# 's first comment print ("Hello, Python3!") Execute # python3 hello.pyHello, Python3!
I hope what is described in this article will be helpful to the maintenance of CentOS server.
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