Linux 上安装 Python3.8.6

Step 1 – Prerequsiteis

Use the following command to install prerequisites for Python before installing it.

sudo apt-get install build-essential checkinstall
sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev \
    libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev libffi-dev zlib1g-dev

Step 2 – Download Python 3.8

Download Python using following command from python official site.

wget https://www.python.org/ftp/python/3.8.6/Python-3.8.6.tgz

Now extract the downloaded package.

sudo tar xzf Python-3.8.6.tgz

Step 3 – Compile Python Source

Use below set of commands to compile Python source code on your system using altinstall.

cd Python-3.8.6
sudo ./configure --enable-optimizations
sudo make altinstall

make altinstall is used to prevent replacing the default python binary file /usr/bin/python.

Step 4 – Check Python Version

Check the latest version installed of python using below command

python3.8 -V

Python-3.8.6

Step 5 – Create Symbolic Link

cd /usr/bin
mv  python3 python3.backup
ln -s /usr/local/bin/python3.8 /usr/bin/python3