Linux-安装python3环境
[root@node1 ~]# yum -y groupinstall "Development tools"
[root@node1 ~]# 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
[root@node1 ~]# wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz
[root@node1 ~]# mkdir -p /usr/local/python3
[root@node1 ~]# tar -zxf Python-3.6.1.tgz
[root@node1 ~]# cd Python-3.6.1 [root@node1 Python-3.6.1]# [root@node1 Python-3.6.1]# [root@node1 Python-3.6.1]# ls aclocal.m4 configure Grammar Lib Makefile.pre.in Objects PCbuild Python Tools config.guess configure.ac Include LICENSE Misc Parser Programs README.rst config.sub Doc install-sh Mac Modules PC pyconfig.h.in setup.py
[root@node1 Python-3.6.1]# ./configure --prefix=/usr/local/python3
[root@node1 Python-3.6.1]# make && make install
[root@node1 Python-3.6.1]# ln -s /usr/local/python3/bin/python3 /usr/bin/python3
[root@node1 Python-3.6.1]# vim ~/.bash_profile
# .bash_profile # Get the aliases and functions if [ -f ~/.bashrc ]; then . ~/.bashrc fi # User specific environment and startup programs PATH=$PATH:$HOME/bin:/usr/local/python3/bin export PATH
[root@node1 Python-3.6.1]# source ~/.bash_profile
[root@node2 Python-3.6.1]# pip3 install --upgrade pip
Collecting pip Downloading https://files.pythonhosted.org/packages/5c/e0/be401c003291b56efc55aeba6a80ab790d3d4cece2778288d65323009420/pip-19.1.1-py2.py3-none-any.whl (1.4MB) 100% |████████████████████████████████| 1.4MB 155kB/s Installing collected packages: pip Found existing installation: pip 9.0.1 Uninstalling pip-9.0.1: Successfully uninstalled pip-9.0.1 Successfully installed pip-19.1.1
[root@node1 Python-3.6.1]# python3 -V
Python 3.6.1
[root@node1 Python-3.6.1]# pip3 -V
pip 19.1.1 from /usr/local/python3/lib/python3.6/site-packages/pip (python 3.6) #这里如果没有显示不用执行下面命令
[root@node1 Python-3.6.1]# ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
这样就安装完成了