自用升级centos7.2的默认Python 2.7.5为python3.8

1.检测当前python版本 2.7.5

2.创建目录

mkdir /data/soft/ 
mkdir /data/soft/python3
cd /data/

3.下载python3.8的包

wget https://www.python.org/ftp/python/3.8.8/Python-3.8.8.tgz

4.解压

tar zxvf Python-3.8.3.tgz -C /data/soft/

 

5.编译设置

cd /data/soft/Python-3.8.8

./configure --prefix=/data/soft/python3

make -j2
make install -j2

6.更换旧的python软连

unlink python
rm -rf /usr/bin/python
ln -s /data/soft/python3/bin/python3.8 /usr/bin/python
ln -s /data/soft/python3/bin/pip3.8 /usr/bin/pip

7.检查

python -V