I am trying to write to Extended Control Register 0 (xcr0) on an x86_64 Debian v7 virtual machine. My approach to doing so is through a kernel module (so CPL=0) with some inline assembly. However, I keep getting a general…
I started using Centos 8 recently, and I installed VirtualBox to manage my virtual machines, the problem that I encountered with is that my VirtualBox couldn't boot any VMs and it told me to execute this script /sbin/vboxconfig as root,…
So I have a server running proxmox with 2 vms (2 local IPs), each vm has apache server running, I need to setup 2 domains (one to each virtual machine) and I can't find a way. Apache vhost documentation didn't…
I'm currently trying to build a small hypervisor and kernel using kvm and I struggle to get hypercalls with multiple args working correctly. Here is what I've tried: // guest.c #define KVM_HYPERCALL vmcall // #define KVM_HYPERCALL vmmcall // #define KVM_HYPERCALL…
I'm losing my mind over this so i thought I would ask about it. I have a VM instance that I was asked to put into managed instance group so that later on we can stuff like load balancing and…
I am trying to pull a docker container from our private GCP container registry on a regular VM instance (i.e. ubuntu-1904) running on Google Cloud, but I am getting the following error: user@test ~ $ sudo docker pull example.io/docker-dev/name:v01 Error…
I'm trying to connect to a remote desktop (Gnome Ubuntu) using XRDP (Remote Desktop Protocol). However, when I connect with either Apache's Guacamole or Microsofts Remote Desktop, I encounter a black screen with a cursor. I can verify that my…
I am trying to use ansible to modify the hostnames of a dozen newly created Virtual Machines, and I am failing to understand how to loop correctly. Here is the playbook I've written: --- - hosts: k8s_kvm_vms tasks: - name:…
I need to be able to pass some parameters to my virtual machine during it's bootup so it sets itself properly. To do that I either have to bake the info into the image or somehow pass it as parameters…
After being fed up with Godaddy hosting, I am trying to migrate my site to Azure VM. I am stuck at maximum file upload size limit which is fixed at 40 MB, while my site backup file is around 850…