Author Archives: tim

ASUS ROG

Posted on January 6, 2022 by tim

This is a prebuilt machine purchase. Asus Model G15CE-B9. (Price comparisons: newegg is selling it for $1,944 via Coldriver20; amazon is selling it for $1,815 via J-Tech Digital). Some facts on the CPU: it is currently #202 on PassMark [21,574, … Continue reading →

Posted in Computer Builds | Comments Off on ASUS ROG

Video Card Relative Benchmarks

Posted on November 23, 2021 by tim

Name Bench mark CUDA cores Tensor cores Notes RTX 4090 ? 16,384 ? 24GB GDDR6X $1600 2022/Sep RTX 4080 ? 9,728 304 16GB GDDR6X $1200 2022/Sep RTX 4080 ? 7,680 240 12B GDDR6X $900 2022/Sep RTX 3090Ti 29,342 10,752 336 … Continue reading →

Posted in Hardware | Comments Off on Video Card Relative Benchmarks

Core i5-10400

Posted on October 17, 2021 by tim

This is a rebuild of the Core 4770k machine. The machine started spontaneously shutting off, then entering a “power-on for 3 seconds and power-off” loop. After cooling down, it would stay running for ~20 minutes, then shutdown. BIOS says the … Continue reading →

Posted in Computer Builds, Core-i5 | Comments Off on Core i5-10400

Kubernetes and Buildah and microk8s

Posted on July 27, 2021 by tim

Kubernetes is awesome. But it is very annoying to be halfway through a guide just to have that guide “drop into” docker. Kubernetes _can_ use docker, but it doesn’t _need_ docker. In particular, this is true of microk8s. If you … Continue reading →

Posted in Software Engineering | Comments Off on Kubernetes and Buildah and microk8s

Naming and Security

Posted on April 24, 2021 by tim

Came across an interesting configuration file pattern today: conf:   nova:     keystone:       insecure: true     neutron:       insecure: true     glance:       insecure: true     cinder:       insecure: true     barbican:       verify_ssl: false The interesting thing is … Continue reading →

Posted in Software Engineering | Comments Off on Naming and Security

WordPress Comment Spam

Posted on December 29, 2020 by tim

A quick note on WordPress spam in comments – Starting 2020 November 26th and continuing until 2020 December 17th, a spammer created a bunch of comments on the one page that had accidentally allowed comments – “About” In total, there … Continue reading →

Posted in Uncategorized | Comments Off on WordPress Comment Spam

RetroPie Raspberry Pi 4

Posted on September 15, 2020 by tim

Item Product Cost Pi 4 CanaKit Raspberry Pi 4 Basic Kit 1.5GHz 64-bit quad core ARMv8, USB-C 3.5A Power, USB-C Power switch $55 MicroSD SanDisk 64GB Ultra microSDXC USH-I $12 Case RETROFLAG NESPi 4 Case with SSD Case, USB-C Power … Continue reading →

Posted in Computer Builds | Comments Off on RetroPie Raspberry Pi 4

FreeNas 11 ZFS Replace Failed Drive

Posted on August 8, 2020 by tim

This documents the steps to replace a failed drive in a mirror configuration in FreeNAS 11.1-U7. This process is really easy with FreeNAS. This scenario is in contrast to replacing a failed drive before it fails (in a Centos “ad-hoc” … Continue reading →

Posted in Storage, ZFS | Comments Off on FreeNas 11 ZFS Replace Failed Drive

Crossword Puzzle Data Format

Posted on May 13, 2020 by tim

The biggest crisis in computer science today is the lack of a good crossword puzzle data format. There are some existing formats: XPF Universal Crossword Puzzle Data Format – XML based, minimal redundancy, answers summarized in grid Yet Another Crossword … Continue reading →

Posted in Software Engineering | Comments Off on Crossword Puzzle Data Format

jq pattern for terrible JSON

Posted on May 10, 2020 by tim

Many JSON formats are completely brain dead. Instead of the natural { key : value }, these formats go “all meta’, using { Field: “name”, Value: “amateur” } or { “name” : “name”, “value”: “amateur” }. This “meta key-value” approach … Continue reading →

Posted in Software Engineering | Comments Off on jq pattern for terrible JSON