Linux上安装Python

2022-02-23

1、下载相关yum库

yum install -y gcc patch libffi-devel python-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel

2、下载python安装包
下载压缩包，然后解压
wget https://www.python.org/ftp/python/3.9.10/Python-3.9.10.tgz

更多版本，可以直接打开：https://www.python.org/ftp/python/

3、make

进入解压后的Python文件
配置make路径
./configure –prefix=/usr/local/python3910
make
make install

4、配置软链接
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

5、配置环境变量
我不是每个版本的Python都配置，一般是直接使用路径调用

6、常见问题

make&make install不成功，一般是因为第1步里，有些yum库没有安装。

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