Create a single-node k0s Kubernetes instance. k0s is a lightweight, self-contained distribution packaged as a single binary with no external dependencies, making it straightforward to run a fully functional cluster on a single machine.

I had an unexpected incident last week as one of the hard disks in my server failed. This device was a part of a software RAID mirror, which created an opportunity to describe the whole process.

Configure Consul Access Control Lists.

Calculate and display effective CPU frequency (MHz) per process.

Deploy a fully isolated single-node k0s environment.

Monitor NVIDIA GPU utilization, temperature, power consumption, and memory usage using command-line tools.

Build your own S3-compatible storage with Garage, a lightweight, distributed storage solution delivered as a single binary that’s ideal for homelab deployments.

When a binary requires a newer library version than currently installed, the dynamic linker fails with a version error. Upgrading the library resolves the issue.

Convert YAML to JSON and group JSON keys.

Counterfeit SD cards report false capacity and corrupt data silently, so use f3 to detect these issues in minutes.

Fix the Too many applications are requesting to monitor file changes.

Use apt changelog to inspect package changelog in Debian-based systems before upgrading.

Create a single or multi-node k3s Kubernetes cluster. k3s is a lightweight, CNCF-certified Kubernetes distribution packaged as a single binary, designed for resource-constrained environments.