Creating a Proxmox VE Cluster Across Multiple Nodes
Initialize a Cluster on the First Host
Log into the initial Proxmox instance, referred to here as host-alpha. Use the cluster management tool to form a new group:
pvecm create alpha-group
This command generates the Corosync authentication material, writes it to /etc/corosync/authkey, and produces an updated /etc/pve/corosync.conf. The cluster ...
Posted on Sat, 30 May 2026 22:46:28 +0000 by kiss the robot
Understanding IOMMU Groups and Domains in Linux
The Input/Output Memory Management Unit (IOMMU) is a hardware component that enables memory protection and address translation for Direct Memory Access (DMA) operations initiated by peripheral devices. By enforcing isolation between devices and system memory, the IOMMU enhances both security and performance.
In Linux, IOMMU groups represent the ...
Posted on Fri, 29 May 2026 23:30:59 +0000 by jefrat72
Automating KVM VM Deployment with cloud-init for Password-Based SSH Access
Download an Ubuntu 22.04 cloud image for your architecture:
wget https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img -O base-image.qcow2
Create a cloud-init configuration file named bootstrap.yaml to initialize system settings:
#cloud-config
users:
- name: operator
sudo: ALL=(ALL) NOPASSWD:ALL
shell: /bin/ba ...
Posted on Sat, 16 May 2026 08:51:42 +0000 by synstealth
Kali Linux Network Scanning Techniques
Getting Started
This section introduces the fundamentals of setting up and configuring a virtual security environment, which can be used for most scenarios and exercises in this book. Topics covered include installing virtualization software, setting up various systems in the virtual environment, and configuring some tools used in the exercises ...
Posted on Sun, 10 May 2026 00:09:37 +0000 by kr3m3r
USB Redirection on Windows: Architecture and Implementation Challenges
Core Challenges in Windows USB Redirection
Implementing USB redirection on Windows presents unique difficulties compared to Linux. The Windows USB subsystem is more restrictive, with stricter driver signing requirements, complex Plug and Play mechanisms, and limited user-mode device access.
The fundamental problems to solve are:
Server-Side Dev ...
Posted on Fri, 08 May 2026 20:33:19 +0000 by Jyotsna
Retrieving Virtual Machine Device Information from ESXi Hosts Using Python
from pyVim.connect import SmartConnect
from pyVmomi import vim
import ssl
import json
def collect_vm_hardware(vm_obj):
hardware_list = []
try:
if vm_obj.config and hasattr(vm_obj.config.hardware, 'device'):
for hw in vm_obj.config.hardware.device:
if hasattr(hw.deviceInfo, 'label'):
...
Posted on Thu, 07 May 2026 10:21:46 +0000 by orange08