PowerShell
[root@airflow1 ~]$ yum remove python3

PowerShell
[root@airflow1 ~]$ python3
返回: -bash: python3: command not found

PowerShell
[root@airflow1 ~]$ yum install gcc openssl-devel bzip2-devel libffi-devel -y

PowerShell
[root@airflow1 ~]$ curl -O https://www.python.org/ftp/python/3.9.0/Python-3.9.0.tgz

PowerShell
[root@airflow1 ~]$ tar -zxvf Python-3.9.0.tgz

PowerShell
[root@airflow1 ~]$ cd Python-3.9.0 && ./configure

PowerShell
[root@airflow1 ~]$ make && make install

PowerShell
[root@airflow1 ~]$ ln -s /usr/local/python3/bin/python3 /usr/bin/python3

PowerShell
[root@airflow1 ~]$ ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

PowerShell
[root@airflow1 ~]$ python3 --version
[root@airflow1 ~]$ pip3 --version