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Haruki Niwa

Research and engineering at Hiroshima University, Japan. I write about machine learning, neuroscience, scientific computing, research infrastructure, and software development.

Location Japan Joined Joined on  Personal website https://nha6ki.github.io/ github website

Work

Hiroshima University

Detecting Missing HTCondor Nodes and Stale GPU Metrics with Prometheus and Slack
nha6ki profile

Detecting Missing HTCondor Nodes and Stale GPU Metrics with Prometheus and Slack

#linux #prometheus #monitoring #devops
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Comments 1
11 min read

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Monitoring HTCondor Jobs and GPU Memory with Prometheus and Grafana
nha6ki profile

Monitoring HTCondor Jobs and GPU Memory with Prometheus and Grafana

#linux #prometheus #grafana #devops
Comments
13 min read
Writing HTCondor DAG Files: Job Dependencies, Variables, and Concurrency Limits
nha6ki profile

Writing HTCondor DAG Files: Job Dependencies, Variables, and Concurrency Limits

#htcondor #hpc #linux #tutorial
Comments
11 min read
Running Compiled MATLAB Jobs with HTCondor and MATLAB Runtime
nha6ki profile

Running Compiled MATLAB Jobs with HTCondor and MATLAB Runtime

#htcondor #matlab #hpc #linux
Comments
7 min read
Running PyTorch Jobs on Shared GPUs with HTCondor
nha6ki profile

Running PyTorch Jobs on Shared GPUs with HTCondor

#linux #python #pytorch #devops
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6 min read
Build an HTCondor Pool on Ubuntu and Run Your First Remote Job
nha6ki profile

Build an HTCondor Pool on Ubuntu and Run Your First Remote Job

#linux #ubuntu #hpc #devops
Comments
8 min read
Evaluating DeepSeek-V4.1-Flash-1017 on a 60-Page PDF: What Text Extraction Misses
nha6ki profile

Evaluating DeepSeek-V4.1-Flash-1017 on a 60-Page PDF: What Text Extraction Misses

#llm #deepseek #nvidia #machinelearning
Comments
8 min read
Running DeepSeek-V4.1-Flash-1017 Across Two NVIDIA DGX Sparks
nha6ki profile

Running DeepSeek-V4.1-Flash-1017 Across Two NVIDIA DGX Sparks

#llm #nvidia #docker #selfhosted
Comments 2
16 min read
Troubleshooting Ollama GPU Inference Failures on AMD Ryzen AI Max
nha6ki profile

Troubleshooting Ollama GPU Inference Failures on AMD Ryzen AI Max

#ollama #rocm #llm #amd
Comments
4 min read
Configuring Gemma 4 31B and Open WebUI for a Research Laboratory
nha6ki profile

Configuring Gemma 4 31B and Open WebUI for a Research Laboratory

#openwebui #ollama #gemma #llm
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5 min read
Benchmarking 10GbE NAS-to-NAS Transfers: iperf, NFS, cp, and rsync
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Benchmarking 10GbE NAS-to-NAS Transfers: iperf, NFS, cp, and rsync

#linux #networking #performance #devops
Comments 2
6 min read
Automating Google Calendar Screenshots with Playwright, rclone, and systemd
nha6ki profile

Automating Google Calendar Screenshots with Playwright, rclone, and systemd

#python #playwright #automation #linux
Comments
7 min read
Tracking Optuna Experiments with JournalStorage and Optuna Dashboard
nha6ki profile

Tracking Optuna Experiments with JournalStorage and Optuna Dashboard

#optuna #python #machinelearning #tutorial
Comments
9 min read
Running Ollama on AMD Ryzen AI Max+ 395 with ROCm and Docker
nha6ki profile

Running Ollama on AMD Ryzen AI Max+ 395 with ROCm and Docker

#ollama #rocm #docker #llm
Comments 2
5 min read
Dual-Booting Windows and Ubuntu: A Step-by-Step UEFI Installation Guide
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Dual-Booting Windows and Ubuntu: A Step-by-Step UEFI Installation Guide

#ubuntu #windows #linux #dualboot
Comments
9 min read
Installing FSL and FIX on Linux: Legacy R/MATLAB Setup and Modern Python FIX
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Installing FSL and FIX on Linux: Legacy R/MATLAB Setup and Modern Python FIX

#fsl #neuroimaging #linux #neuroscience
Comments
5 min read
Running ROS 1 GUI Applications on macOS with Docker and XQuartz
nha6ki profile

Running ROS 1 GUI Applications on macOS with Docker and XQuartz

#ros #docker #macos #robotics
Comments
6 min read
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