Installation of Oracle Database 19c on Red Hat 8

Introduction

• Video tutorial on downloading and installing Oracle Database 19c on Red Hat 8.

Preparation Steps

1. Download Oracle Database 19c

   • Make sure to download the correct version for Red Hat (state db-home).
   • The instructor has already downloaded the file.

2. Connect to the Server

   • Connect using the root account.
   • Prepare the server based on the minimum OS requirements for swap and memory.

Installation Steps

User and Group Setup

• Create a list of required groups for Oracle installation.
• After creating the groups, create the Oracle user and add it to the necessary groups.
  • Command to set Oracle user password.
  • Verify user and group assignment using: id -a.

Kernel Parameter Setup

• Modify kernel parameters according to Oracle documentation.
• Ensure changes are made using the root user via /etc/sysctl.conf.
• Save changes with :wq.
• Apply the changes with the required command.

Package Installation

• Update and install required packages using dnf or yum.
• Ensure all required packages are installed, including optional ones for Red Hat 8.
• Check for package dependencies to confirm installation status.

Environment Variables

• Set ulimit by creating limits.conf under /etc/security for Oracle user settings.

Directory Structure Setup

• Create recommended Oracle directories based on Optimal Flexible Architecture (OFA).
• Set permissions and ownership as per documentation.

Installer Execution

1. Prepare for Installation

   • Upload the downloaded Oracle file to /tmp.
   • Start a new terminal session to avoid issues with X11 forwarding.

2. Unzip Install Files

   • Use the command to unzip the file quietly in the Oracle home directory.
   • Verify successful extraction by listing files with ll.

3. Run the Installer

   • Address known bugs when running the installer on Red Hat.
   • If an error occurs stating unsupported OS, modify the environment variable to assume compatibility with another OS.
   • Set the export command to change the OS assumption.

Installation Process

• Choose to install Software Only or configure the database later.
• Follow the prompts to select installation type (single node, enterprise edition).
• Perform prerequisite checks and execute installation.
• Monitor the installation process until completion.

Post-Installation

1. Run Configuration Scripts
   • Execute post-installation scripts as the root user.
   • Follow the instructions to register Oracle successfully.

Conclusion

• Installation of Oracle Database 19c was successful on Red Hat 8.
• Maintain awareness of documentation for updates and verification.
• Wrap up with an invitation to watch future videos.

References

• Additional documentation and reference links will be provided in the video description.

Acknowledgments

• Thank you for watching!