Prerequisites

2 Prerequisites

OBDX pre-requisite software should be installed and available before proceeding.

For OBDX pre-requisite software setup refers document Oracle Banking Digital Experience Installer Pre-Requisite Setup Manual .

Installer Pre-requisite verification

Post installation of OBDX Installer prerequisite software’s, verification can be done using below steps.

Note:

Verification should be performed on Server where Oracle Weblogic is locally installed and by OS user (which is owner for Oracle Weblogic home directory) for non-root steps. The same user will be used to execute installer.

Oracle Instant client

Login using root user.
Run below command to verify if Oracle Instant client is installed.
```
rpm -qa | grep oracle
```
Description of the illustration preq1.png

Note:

Above package verification command is specific to Oracle Linux and RHEL distributions only. For other Linux distributions or OS please refer to OS specific package manager documentation.

OBDX pre-requisite software should be installed and available before proceeding.

For OBDX pre-requisite software setup refers document Oracle Banking Digital Experience Installer Pre-Requisite Setup Manual.

Python:

Execute python –V command

Description of the illustration preq2.png

Note:
Ensure Python 3.11.0 supported version is installed. Above command should reflect the same.

cx_Oracle & Urwid:

Execute python command
```
python
```
Note:
Ensure Python 3.11.0 version should be available in PATH variable. Above execution should be done using Python 3.11.0.
Import Urwid and check version
```
import urwid 
(Press Enter)urwid.__version__
```
Description of the illustration preq3.png

If version is displayed, then Urwid is installed and available for use.

Note:
Ensure Urwid 26.14 supported version is installed. Above command should reflect the same.
Similarly import cx_Oracle and check version

Description of the illustration preq4.png

If version is displayed, then cx_Oracle is installed and available for use.

Note:
Ensure cx_Oracle 8.3.0 supported version is installed. Above command should reflect the same.

Python 3.11 for Linux Operating System :

Execute below commands to install the python 3.11.0

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/3.11.0/Python-3.11.0.tgz 
tar -xzvf Python-3.11.0.tgz
cd Python-3.11.0./configure --enable-optimizations
make altinstall
python3.11 –version

Description of the illustration preq5.png

Once above steps are executed successfully install the following required modules.
```
pip3.8 install --upgrade pip            
pip3.8 install cx-Oracle==8.3
pip3.8 install urwid==2.6.14    
```