Been exploring KVM on Debian12 recently on my lab machines and I wanted to run a few API tests also, and so to get it to work I had to have my VMs on the same subnet as my physical machines first which is a setup I never did before.<\/p>\n\n\n\n\n\n\n\n
I checked my hosts with lscpu | grep -i virtualization<\/em> and none had the VT-x set on which is the virtualisation setting for Intel CPUs, so I embarked on a journey on UEFI get the feature up and after a bit of fiddling eventually turned it on.<\/p>\n\n\n\n Then I installed a full suite of tools to play with KVM sudo apt install -y qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virtinst virt-manager <\/em>and launched my first two KVM domains with Oracle Linux 8 on them. It worked like a charm and I additionally tried a few options with virsh, the command line interface for VMs, instead of the GUI from virt-manager.<\/p>\n\n\n\n After that wanted to access my VM command line from the physical host terminal to see if I could do some bootstrapping this way, I could have used SSH but wanted to try something different, so used the serial line instead which required a bit of setup on the guest machine. Setup I actually can’t find online anymore. (I will edit the post and add it.)<\/p>\n\n\n\n