Oracle VM CentOS8 unable to connect to internet with Bridged Adapter

Oracle VM CentOS8 unable to connect to internet with Bridged Adapter

If you are using Oracle VM VirtualBox to run a CentOS 8 virtual machine and are facing issues with connecting to the internet using a Bridged Adapter, you've come to the right place. In this article, we will guide you through the troubleshooting steps to resolve this problem and get your CentOS 8 virtual machine connected to the internet.

Step 1: Check Network Adapter Settings

The first thing you need to do is ensure that the network adapter settings in your CentOS 8 virtual machine are correctly configured. Follow these steps:

1. Start your CentOS 8 virtual machine in Oracle VM VirtualBox.
2. Open the Terminal by clicking on the Applications menu, selecting System Tools, and then choosing Terminal.
3. Type the following command in the Terminal to open the network configuration file:

Replace enp0s3 with the name of your network interface if it is different.

4. Make sure the following lines are present and correctly configured in the file:

If any of these lines are missing or incorrect, make the necessary changes and save the file.

Step 2: Verify Bridged Adapter Settings in VirtualBox

Next, we need to ensure that the Bridged Adapter settings in Oracle VM VirtualBox are properly configured. Follow these steps:

1. Shut down your CentOS 8 virtual machine if it is running.
2. Open Oracle VM VirtualBox Manager.
3. Click on your CentOS 8 virtual machine to select it.
4. Click on the Settings button in the toolbar.
5. In the Settings window, select the Network tab.
6. Ensure that the Adapter 1 tab is selected.
7. In the Attached to dropdown menu, select Bridged Adapter.
8. Make sure that the Name dropdown menu is set to the network interface you want to bridge your virtual machine with.
9. Click OK to save the changes.

Step 3: Restart Network Services

If the previous steps did not resolve the issue, you can try restarting the network services in CentOS 8. Follow these steps:

1. Start your CentOS 8 virtual machine in Oracle VM VirtualBox.
2. Open the Terminal.
3. Type the following command to restart the network services:

Step 4: Test Internet Connectivity

After completing the previous steps, you should now test if your CentOS 8 virtual machine can connect to the internet. Follow these steps:

1. Start your CentOS 8 virtual machine in Oracle VM VirtualBox.
2. Open a web browser, such as Mozilla Firefox or Google Chrome.
3. Visit a website, such as www.google.com, to check if you have internet connectivity.

If you are still unable to connect to the internet, you may need to seek further assistance or consider alternative network configurations.

Conclusion

By following the troubleshooting steps outlined in this article, you should now be able to resolve the issue of Oracle VM CentOS8 virtual machine not connecting to the internet with a Bridged Adapter. Ensuring correct network adapter settings, verifying Bridged Adapter settings in Oracle VM VirtualBox, restarting network services, and testing internet connectivity are key steps in troubleshooting this problem. If you continue to experience issues, it is recommended to seek additional support or explore alternative network configurations.