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Ansible - pretty print output

Ansible - pretty print output

Sometimes you want to print more or extensive information on ansible output (in this case a terraform plan). This can easily be realised using an stdout callback.

Daniel Nachtrub
Daniel Nachtrub
IaC
Object attribute defaults on terraform - hello simplicity

Object attribute defaults on terraform - hello simplicity

Using terraform's object attributes defaults empowers you to create complex input values that still apply default values on a highly granular level. This post shows an example how to use this.

Daniel Nachtrub
Daniel Nachtrub
IaC
Configurable default values on terraform objects

Configurable default values on terraform objects

Creating complex configurations requires many dimensions on the input - this post shows how to take care of default values in such a case to offer users of your code fine grained control without enforcing too much input if not required.

Daniel Nachtrub
Daniel Nachtrub
Terraform
Terraform - applying complex default values

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.

Daniel Nachtrub
Daniel Nachtrub
Cloud
Ollama fails to utilize GPU after driver update (NVIDIA)

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. :-)

Daniel Nachtrub
Daniel Nachtrub
AI
Kubernetes, blockDevices & denied permissions

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.

Daniel Nachtrub
Daniel Nachtrub
Container
Enable SR-IOV on Broadcom NICs and configure VF count

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.

Daniel Nachtrub
Daniel Nachtrub
Linux
Multus - pod stuck in terminating state

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.

Daniel Nachtrub
Daniel Nachtrub
Kubernetes