1. Execute below commands to install the python 3.8.0.

   dnf groupinstall 'development tools'
   dnf install bzip2-devel expat-devel gdbm-devel ncurses-devel openssl-devel readline-devel 
   wget sqlite-devel tk-devel xz-devel zlib-devel libffi-devel
   wget https://www.python.org/ftp/python/3.8.0/Python-3.8.0.tgz 
   tar -xzvf Python-3.8.0.tgz
   cd Python-3.8.0.
   /configure --enable-optimizations
   make altinstall
   python3.8 –version

   
   
   
   Description of the illustration instapre9.png
   
   
2. Once above steps are executed successfully install the following required modules.

   pip3.8 install cx-Oracle==8.3.0
   pip3.8 install urwid==2.1.2

limits.conf (OS Configuration)

Ensure the nofile resource limit is set 10240 or higher for the user which would execute the OBAPI Installer.