centos7安装python3

 

然后更改pip源到阿里

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

生成缓存

yum makecache

下载python3

wget "https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tgz"

解压压缩包

tar -zxvf  Python-3.6.2.tgz -C /tmp

进入目录

cd /tmp/Python-3.6.2/

安装python3的依赖

yum -y groupinstall "Development tools"

yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel

编译安装python3

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

make&make install

创建软链接

ln -s /usr/local/python3/bin/python3.6 /usr/bin/python3

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