Unable to Connect VirtualBox Guest OS (Rocky Linux 8) on Windows 11 Host: No Internet Connectivity
In this article, we will discuss the issue of being unable to connect to the internet on a Rocky Linux 8 guest OS running on an Oracle VirtualBox 7 host OS, specifically on Windows 11. We will cover the key concepts related to this problem and provide a detailed context and solutions.
Background
VirtualBox is a popular virtualization software that allows users to run multiple operating systems on a single physical machine. Windows 11 is the latest version of Microsoft's desktop operating system, while Rocky Linux 8 is a stable and secure Linux distribution. However, users may encounter issues when trying to connect to the internet on the guest OS (Rocky Linux 8) while using VirtualBox on the host OS (Windows 11).
Problem Description
When trying to connect to the internet on the Rocky Linux 8 guest OS, users may experience the following symptoms:
- No internet connectivity on the guest OS
- Unable to ping the host OS or external websites
- DNS resolution failures
- No IP address assigned to the guest OS
Solutions
Here are some solutions to fix the issue of being unable to connect to the internet on a Rocky Linux 8 guest OS running on an Oracle VirtualBox 7 host OS on Windows 11:
1. Check Network Settings
The first step is to check the network settings of the guest OS and ensure that they are configured correctly. Here are the steps to follow:
- Start the Rocky Linux 8 guest OS on VirtualBox
- Click on the "Settings" button for the guest OS
- Go to the "Network" tab
- Select the "Bridged Adapter" option
- Choose the correct network adapter from the dropdown list
- Save the settings and restart the guest OS
2. Check Firewall Settings
Firewall settings on the host OS may block incoming and outgoing traffic to the guest OS. Here are the steps to follow:
- Go to the Windows Defender Firewall settings
- Click on "Allow an app through Windows Firewall"
- Click on "Change settings"
- Check the box for "VirtualBox" and click "OK"
3. Check DHCP Settings
The DHCP server on the host OS may not be assigning an IP address to the guest OS. Here are the steps to follow:
- Start the VirtualBox host OS
- Go to the command prompt and type "ipconfig /all"
- Look for the "VirtualBox Host-Only Network #" adapter
- Check the "DHCP Server" IP address
- Start the Rocky Linux 8 guest OS on VirtualBox
- Open the terminal and type "ip a"
- Check if the guest OS has been assigned an IP address from the DHCP server
4. Check DNS Settings
DNS resolution failures may be caused by incorrect DNS settings on the guest OS. Here are the steps to follow:
- Start the Rocky Linux 8 guest OS on VirtualBox
- Open the terminal and type "nmcli dev status"
- Look for the "enp0s3" network interface
- Type "nmcli con mod enp0s3 ipv4.dns "8.8.8.8""
- Type "nmcli con up enp0s3"
In this article, we discussed the issue of being unable to connect to the internet on a Rocky Linux 8 guest OS running on an Oracle VirtualBox 7 host OS on Windows 11. We provided detailed solutions to fix the problem, including checking network settings, firewall settings, DHCP settings, and DNS settings. By following these solutions, users should be able to connect to the internet on their Rocky Linux 8 guest OS and enjoy a seamless virtualization experience.