jistr's blog

On-demand local LLMs with systemd socket activation

How to use systemd socket activation for llama-server to run an LLM locally. The LLM starts transparently when the first prompt is made. It stops after a period of inactivity, freeing up system RAM.

Posted on September 5, 2025
Tagged tinkering

Fedora on PineTab2

PineTab2 is a tablet from Pine64, the renowned maker of community-friendly hardware. Let's build our own disk image with Fedora Gnome desktop that will boot on PineTab2!

Posted on November 27, 2023
Tagged tinkering

Introduction to OS Migrate, the  OpenStack parallel cloud migration toolbox

OS Migrate is a tool for moving workloads and other tenant resources from one OpenStack cloud to another. This post dives into the use cases and design choices, and gives an overview of how OS Migrate works.

Posted on July 12, 2021
Tagged openstack, os-migrate

Upgrading Ceph and OKD (OpenShift Origin) with TripleO

In TripleO we can deploy non-OpenStack software by proxying to external installers. We need to be able to upgrade such software too. This blog post dives into the upgrade details. It follows up on a previous blog post that described how to deploy OpenShift Origin on OpenStack via TripleO.

Posted on August 15, 2018
Tagged ceph, kubernetes, okd, openshift, openstack, tripleo

OpenShift Origin in TripleO with multiple masters and multiple nodes

TripleO can deploy OpenShift Origin by proxying to the openshift-ansible installer. The post follows up on the previous Kubernetes deployment post where the general design of the proxying solution is discussed.

Posted on January 4, 2018
Tagged kubernetes, openshift, openstack, tripleo