CentOS安装Python3 | 易学教程

安装依赖环境

　　# 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

2.下载Python3 　　<a href="https://www.python.org/downloads/">python下载</a>

# wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz

3.安装python3

　　我个人习惯安装在/usr/local/python3 　　创建目录：

# mkdir -p /usr/local/python3

　　解压下载好的Python-3.x.x.tgz包(具体包名因你下载的Python具体版本不不同⽽而不不同，如：我下载的是Python3.6.1.那我这里就是Python-3.6.1.tgz)

# tar -zxvf Python-3.6.1.tgz

4.进入解压后的目录，编译安装。

# cd Python-3.6.1
# ./configure --prefix=/usr/local/python3
# make
# make install 或者 make && make install

5.建立python3的软链

# ln -s /usr/local/python3/bin/python3 /usr/bin/python3
```shell
6.并将/usr/local/python3/bin加入PATH
```shell
# 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

# source ~/.bash_profile

7.检查Python3及pip3是否正常可用：

# python3 -V
Python 3.6.1
# pip3 -V
pip 9.0.1 from /usr/local/python3/lib/python3.6/site-packages (python 3.6)

7.不行的话在创建一下pip3的软链接(我也不清楚这一步有什么用)

# ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

来源：oschina

链接：https://my.oschina.net/u/4391460/blog/3316768

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CentOS