Debian安装Python3.8.5

• 安装相关依赖库

apt install sudo

sudo apt update

sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libsqlite3-dev libreadline-dev libffi-dev curl libbz2-dev curl -y

• 下载Python-3.8.5或2.7.5

curl -O https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tar.xz

curl -O https://www.python.org/ftp/python/2.7.5/Python-2.7.5.tar.xz

• 解压Python-3.8.5或2.7.5

tar -xf Python-3.8.5.tar.xz

tar -xf Python-2.7.5.tar.xz

• 进入安装目录

cd Python-3.8.5/

cd Python-2.7.5/

• 设置编译参数,

./configure --prefix=/usr/local/python3.8.5 --enable-optimizations

./configure --prefix=/usr/local/python2.7.5 --enable-optimizations

• 编译及安装

make -j 12 && sudo make altinstall

• 添加软链接

python3.8.5

sudo ln -s /usr/local/python3.8.5/bin/python3.8 /usr/bin/python3.8

sudo ln -s /usr/local/python3.8.5/bin/pip3.8 /usr/bin/pip3.8

python2.7.5

sudo ln -s /usr/local/python2.7.5/bin/python2.7 /usr/bin/python2.7

• 查看版本

python3.8 -V

pip3.8 -V

python2.7 -V