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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…
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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:…
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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…
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Upgrading Proxmox 7 to 8
Some variant of the following[1] worked for me. The first line is the start of a for loop that runs on each node in my cluster a command using ssh. The argument -t is passed to attach a controlling terminal to STDIN, STDERR and STDOUT of this session, since there will not be an intervening…
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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…
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Managing HPE SAS Controllers
Notes to self. And anyone else who might find them useful. Following are some ssacli commands which I use infrequently enough that they fall out of cache. This may repeat information in other blogs, but since I search my posts first when commands slip my mind, I thought I’d include them here, too. hpacucli is…
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False Positive
Since a bit before my birthday this year, I have been uncertain where I left my notary seal. I have been trying to stay positive about the situation, but I must admit that I spent an unhealthy amount of time obsessing about its location and whether it has been used in my absence. The last…
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Trip Report: UW signing-party
Dear Debian Users, I met last night with a friend from many years ago and a number of students of cryptography. I was disappointed to see the prevalence of black hat, anti-government hackers at the event. I was hoping that civilized humanity had come to agree that using cryptography for deception, harm to others and…
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Long Term Stable – 2014.04 @ 20141204T080801
It’s been one of those nights: cjac@ubuntu0:/data/apps/prod$ sudo apt-get upgrade Reading package lists… Done Building dependency tree Reading state information… Done Calculating upgrade… Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. cjac@ubuntu0:/data/apps/prod$ sudo apt-get dist-upgrade Reading package lists… Done Building dependency tree Reading state information… Done Calculating upgrade… Done 0…
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Replaced hypervisor
The system which was hosting this blog had a tendency to go down every few days. I swapped it out for a spare yesterday. Let’s see if it stays up. The hypervisor hosts this web server, a mysql server and an SKS pool member, all of which are built on top of Squeeze.