Fixing kernel timer error in Metasploitable

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In this blog:

• Link to other blogs.

• Disclaimer.

• Fixing the kernel timer error.

• What's next?

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This blog is one of a 5 part series on Metasploitable ➡️

➡️ Click here to see how Wireshark can be used to detect SYN flood attacks.

➡️ Click here to see how to run a SYN flood attack on Metasploitable.

➡️ Find my tutorial on creating a Metasploitable lab here.

➡️ Click here to see how to connect Kali Linux to Metasploitable.

➡️ Click here to see how to deface Metasploitable's webpage.

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Disclaimer

The solution given in this blog is for the kernel timer error that is caused by a misconfiguration in the kernel boot settings in the BIOS.

The solution is not permanent and you must complete the steps each time you start a new session.

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Fixing timer errors

To start the virtual machine, go back to VirtualBox and click start. When starting, if you get this kernel panic – not syncing error message, follow these steps ➡️

Kernel panick error message.

Go to settings, system and double the base memory to 2048MB.

Doubling base memory.

Provide the machine with two processors instead of one and click OK.

Doubling processor count.

Start the machine. You might get a timer error.

Timer error.

Power off the machine and start it again. On this screen, click esc on the keyboard to enter the menu.

Booting Metasploitable in safemode.

Click e.

Entering kernel settings.

Click e again.

Root bios settings.

Type ➡️

noapic nolapic acpi=off

and click enter.

Turning acpi off.

Type ➡️

noapic nolapic acpi=off

again, and click enter.

Turning acpi off again.

Now click b to boot up Metasploitable.

Booting up Metasploitable.

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What's next?

Once you have solved this issue, you can go ahead and start configuring Metasploitable and connect it with your Kali Linux box.

To see how to connect Metasploitable with Kali Linux, see this blog.

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