Clerical Rigor

Category: Google Cloud Dataproc

  • Part 3: Building the Keystone – Dataproc Custom Images for Secure Boot & GPUs

    Part 3: Building the Keystone – Dataproc Custom Images for Secure Boot & GPUs In Part 1, we established a secure, proxy-only network. In Part 2, we explored the enhanced install_gpu_driver.sh initialization action. Now, in Part 3, we’ll focus on using the LLC-Technologies-Collier/custom-images repository (branch proxy-exercise-2025-11) to build the actual custom Dataproc images embedded with…

  • Part 2: Taming the Beast – Deep Dive into the Proxy-Aware GPU Initialization Action

    Part 2: Taming the Beast – Deep Dive into the Proxy-Aware GPU Initialization Action In Part 1 of this series, we laid the network foundation for running secure Dataproc clusters. Now, let’s zoom in on the core component responsible for installing and configuring NVIDIA GPU drivers and the associated ML stack in this restricted environment:…

  • Dataproc GPUs, Secure Boot, & Proxies

    Part 1: Building a Secure Network Foundation for Dataproc with GPUs & SWP Welcome to the first post in our series on running GPU-accelerated Dataproc workloads in secure, enterprise-grade environments. Many organizations need to operate within VPCs that have no direct internet egress, instead routing all traffic through a Secure Web Proxy (SWP). Additionally, security…

  • Installing a desktop environment on the HP Omen

    `dmidecode | grep -A8 ‘^System Information’` tells me that the Manufacturer is HP and Product Name is OMEN Transcend Gaming Laptop 14-fb0xxx I’m provisioning a new piece of hardware for my eng consultant and it’s proving more difficult than I expected. I must admit guilt for some of this difficulty. Instead of installing using the…

  • Security concerns regarding OpenSSH mac sha1 in Debian

    What is HMAC? HMAC stands for Hash-Based Message Authentication Code. It’s a specific way to use a cryptographic hash function (like SHA-1, SHA-256, etc.) along with a secret key to produce a unique “fingerprint” of some data. This fingerprint allows someone else with the same key to verify that the data hasn’t been tampered with.…