安装python3.9

On By 去哪儿 
yum install gcc
sudo yum install centos-release-scl
sudo yum install devtoolset-8-gcc*
source /opt/rh/devtoolset-8/enable
gcc -v
wget https://www.python.org/ftp/python/3.10.11/Python-3.10.11.tar.xz
tar -xvf Python-3.9.17.tar.xz 
cd Python-3.9.17
./configure  --enable-optimizations --prefix=/u01/python
make && make install
#ln -s /u01/python/bin/python3.9 /usr/bin/python3.9
vim /etc/profile
PATH=$PATH:/u01/python/bin/python3.9
source /etc/profile
/usr/local/python3.9/bin/tutorial-env/bin/python3.9 -m pip install --upgrade pip
pip3.9 install requests
pip3.9 install urllib3
pip3.9 install urllib3==1.26.15
pip3.9 install urllib3==1.26.15
pip3.9 install cx_Oracle
pip3.9 install openpyxl

第二个安装方式

sudo yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel
wget https://www.python.org/ftp/python/3.9.7/Python-3.9.7.tgz
tar -xf Python-3.9.7.tgz
cd Python-3.9.7
./configure --enable-optimizations --with-ensurepip=install
make -j 4
sudo make altinstall
python3.9 --version