[Linux] Centos python 3.9.x 버전 설치

설치 환경 :

- Centos 7

- Centos 8

# yum groupinstall 'development tools' -y 
# yum install wget openssl-devel bzip2-devel libffi-devel xz-devel -y

# wget https://www.python.org/ftp/python/3.9.6/Python-3.9.6.tgz

# tar xvf Python-3.9.6.tgz

# cd Python-3.9.6 && ./configure --enable-optimizations

# make altinstall

# alternatives --install /usr/bin/python3 python3 /usr/local/bin/python3.9 1
# alternatives --set python3 /usr/local/bin/python3.9 && echo "2" | alternatives --config python

# /usr/local/bin/python3.9 -m pip install --upgrade pip

# alternatives --install /usr/bin/pip pip /usr/local/bin/pip3.9 1 && alternatives --set pip /usr/local/bin/pip3.9

# python -V && pip -V