Python 3.905详细安装教程
1、下载python
下载地址:https://www.python.org/downloads/release/python-395/

也可以
wget https://www.python.org/ftp/python/3.9.5/Python-3.9.5.tgz
2、安装
安装依赖包
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
yum -y install gcc
解压缩
tar zxvf Python-3.9.5.tgz
cd Python-3.9.5/
编译配置安装
./configure --prefix=/usr/local/python395

make -j4 && make install

创建软连接
[root@localhost Python-3.9.5]# ln -s /usr/local/python395/bin/python3 /usr/bin/python3
[root@localhost Python-3.9.5]# ln -s /usr/local/python395/bin/pip3 /usr/bin/pip3
[root@localhost Python-3.9.5]# python3 -V
Python 3.9.5
[root@localhost Python-3.9.5]# pip3 -V
pip 21.1.1 from /usr/local/python395/lib/python3.9/site-packages/pip (python 3.9)
该教程介绍了如何在Linux环境下下载Python3.9.5,包括从官方地址获取安装包,使用yum安装依赖,解压缩文件,进行编译配置及安装,最后创建软链接以更新系统默认的Python和pip版本。
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