Holds until rebootįedora-kde :: ~ » sudo modprobe -r kvm_intelįedora-kde :: ~ » sudo modprobe -r kvm_amd We have to edit the “kvm.conf” file under modprobe.d to make it permanent. You can enable it for the current session, but this will only last until the next reboot. If you get an “Y” or “1” than your system supports it.įedora-kde :: ~ » cat /sys/module/kvm_intel/parameters/nested fedora-kde :: ~ » Yįedora-kde :: ~ » cat /sys/module/kvm_amd/parameters/nested fedora-kde :: ~ » 1Ģ.
First, lets check if the system allows nesting.This might work for other distributions like Ubuntu as well (except the package installation), but I didn’t test it. I will not show the installation of Fedora 34, so this guide assumes that you have a working Fedora system already. In this part we will install KVM on a clean Fedora 34, get GNS3 VM, deploy it and configure the system to allow nesting (allowing to virtualize within a virtual machine). It has been working flawlessly for me so far. That’s why I switched to KVM and am more than happy with my decision. I have been using VMWare Player in the past, but have almost always some type of issue with it, primarily when updating Fedora (most of the time the modules didn’t compile with the new kernel).
#Gns3 vm ova how to
That’s why I decided to make a full guide (probably in multiple parts) on how to install and configure GNS3 VM on Fedora Linux with KVM as its base for virtualization. I also like it as a teaching tool for the new trainees. Mainly to try out and learn new things, but also to test new configurations for customers, before implementing it. So… I have been using GNS3, to run my Network Simulations for a while now.
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