This post is a short HowTo on passing Linux kernel boot options during OS installation and persisting them for future system starts
Install Golang In Your Home Directory And Configure VScode
Learning go (Golang) is one of my resolutions for 2023. It looks like a great cross platform compiled language with a straightforward simple syntax with modern features. I have multi-OS projects in mind where I expect it to be ideal. So, I’ll get started …
How To Create A Docker Container For AMD AOCCv4 Compiler Plus Spack Build Tools
AMD has recently released version 4.0 of their AOCC compiler which includes support for AVX512 on the Zen4 architecture. This post details building a Docker image containing the Spack package manager/build system together with AMD AOCCv4.0.0 compilers. This will be used as the build image for multi-stage Dockerfiles that will be used to compile scientific applications and benchmarks with targeted Zen3/4 optimizations. It is the first step in that process.
Ubuntu 22.04 Server Autoinstall ISO
This post is a follow up to How-To: Make Ubuntu Autoinstall ISO with Cloud-init written in Sept. 2021. We will look at changes needed for Ubuntu 22.04.
UPDATE v0.2 NVIDIA GPU Powerlimit Setup
This is just a short post to announce a more usable version of the NVIDIA GPU powerlimit setup script that I released a few months ago. This update to version 0.2 uses an interactive mode to set GPU powerlimits and optionally setup a systemd unit file to set these limits on subsequent reboots.
LTSP Configuration for Benchmark Platform of Diskless Workstations
In this post we look at using a testing Lab of Windows systems as a benchmarking platform for Linux scientific application using network boot with nfsroot and home mounts. Linux is boot on the systems “diskless” leaving the Windows installs untouched. LTSP turned out to be a great time saver for setting up the configuration.
NVIDIA GPU Power Limit vs Performance
This post presents testing data showing that power-limit reduction on NVIDIA GPUs have give significant benefits for both high wattage and lower wattage GPUs. Power-limit vs Performance data is presented for 1-4 A5000 and 1-4 RTX3090 GPUs.
NVIDIA GPU Powerlimit Systemd Setup Script
In this post I am referencing a Bash shell script I recently put together for setting up automatic NVIDIA GPU power-limit lowering at system boot. This allows a reliable way to configure and maintain multi-GPU systems for stable operation under heavy load.
Standalone Python Conda envs without installing Conda (using micromamba!)
In this post I’ll show you how to setup isolated conda envs for Python without having a base conda install! I’ll cover Linux and Windows including an example to get you started. Read on to learn about the wonderful micromamba project.
How-To: Make Ubuntu Autoinstall ISO with Cloud-init
This post will guide you through the process of creating an Ubuntu 20.04 (or newer) autoinstall ISO by modifying the default installer ISO. The install configuration will be done using cloud-init cloud-config method that is now used for the Ubuntu server installer.
