Terraform - applying complex default values
This post explores handling default values in Terraform. It shows merging default values with instance-specific values, using both native merge and the deepmerge module for recursive merging of nested objects. This approach ensures compact, maintainable code and seamless use of default values.
Ollama fails to utilize GPU after driver update (NVIDIA)
Ollama can't make use of NVIDIA GPUs when using latest drivers - fix is easy: Downgrade and wait for the next release. :-)
Kubernetes, blockDevices & denied permissions
Mounting (block)devices on containers might result in permission errors (Permission denied) if pods have applied a securityContext. It's possible to configure this on containerd and get both of best worlds - fast device access and reduced permissions on containers.
Enable SR-IOV on Broadcom NICs and configure VF count
Running broadcom network cards using SR-IOV might require configuration of the cards firmware. This also applies for example if you want to adjust the total number of virtual functions.
Multus - pod stuck in terminating state
Having multus in place, pods might be stuck in starting or terminating state if you made a mistake in the config.
Get filesystem access using an ephemeral container in kubernetes
Sometimes you need to access a containers filesystem but the container itself is eventually distroless or does not offer any shell. Here's how to access the filesystem anyway using ephemeral containers!
Using AKS kubectl (kubelogin) on headless systems or pipelines
Running kubectl on pipelines with interactive authentication is somewhat non-optimal :-) Let's make it better without using long-living tokens.
Choosing a postgres operator
This post describes my journey on the selection of the postgres operator that matches our demand.
