Engineering field notes
Tested walkthroughs from real lab and production-style setups across Linux, cloud, Kubernetes, networking, security, observability, data platforms, IoT, Android, and self-hosted services.
Follow a simulated RC office from architectural requirements through OpenSees analysis, coordination feedback, and a scoped reinforcement drawing, with AI assisting each stage.
Issue a Let’s Encrypt certificate with Cloudflare DNS-01 on Ubuntu, import it through Synology DSM, and optionally automate renewal with restricted SSH delivery and a DSM-side worker.
This post shows how to install MeshCentral on Ubuntu 26.04, run it as a systemd service, and provide its web
After configuring an image-level backup for a physical Windows Server 2016 machine, I wanted to verify that the backup could
I needed a recoverable backup for an existing physical Windows Server 2016 machine without shutting down the server and without
When testing a browser-side application that uses Google Drive, the normal user flow usually looks like this: This works for
After unattended-upgrade automatically ran on one of my Zabbix servers, the Zabbix frontend started showing a confusing database error. When
After upgrading one of my Jenkins servers from Ubuntu 24.04 to Ubuntu 26.04, I noticed that the Built-In Node was
In this post, I configure Android phone USB passthrough for a KVM virtual machine on an Ubuntu Server host. The
In a previous post, I showed how to set up KVM and Cockpit on Ubuntu 24.04. That setup works well
