#### Prerequisites
Before you begin, ensure you have:
- A server or workstation running Rocky Linux 8
- A user account with sudo privileges
- Basic familiarity with the command line
#### Step 1: Back Up Your Data
Before proceeding with the upgrade, it's crucial to back up all important data and configurations to prevent data loss in case of unexpected issues during the upgrade process.
#### Step 2: Prepare Your System
Ensure your Rocky Linux 8 system is up to date by installing all available updates:
```bash
sudo dnf update -y
```
#### Step 3: Install the Rocky Linux 9 Upgrade Tool
Add the Rocky Linux 9 repository and install the upgrade tool:
```bash
sudo dnf install rocky-release --enablerepo=rocky-9-Base -y
sudo dnf upgrade --refresh -y
sudo dnf install dnf-plugin-system-upgrade -y
```
#### Step 4: Start the Upgrade Process
Initiate the upgrade process to Rocky Linux 9:
```bash
sudo dnf system-upgrade download --releasever=9
```
This command downloads the necessary packages for the upgrade to Rocky Linux 9.
#### Step 5: Perform the Upgrade
Once the download is complete, reboot your system to begin the upgrade process:
```bash
sudo dnf system-upgrade reboot
```
Follow the on-screen instructions to complete the upgrade. Your system will reboot into Rocky Linux 9 once the upgrade process finishes.
#### Step 6: Verify the Upgrade
After the upgrade is complete, log in to your Rocky Linux 9 system and verify the upgrade was successful:
```bash
cat /etc/redhat-release
```
You should see output indicating Rocky Linux 9.
#### Conclusion
You have successfully upgraded your Rocky Linux 8 system to Rocky Linux 9, ensuring you have access to the latest features and improvements available in Rocky Linux 9.
**Additional Resources:**
- **Rocky Linux Documentation:** [https://docs.rockylinux.org/](https://docs.rockylinux.org/)
- **Red Hat Enterprise Linux 9 Documentation:** [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/](https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/)
