Linux安装python3

1、首先下载安装包

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

2、解压

tar -zxvf Python-3.6.1.tgz 

3、进入解压后的目录，安装环境依赖(CentOS)

yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make

4、cd Python-3.6.1之后指定安装目录

./configure --prefix=/usr/local/python3

5、编译安装

make && make install

6、安装成功后建立软链接

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