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
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