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Resource Management
Kubeturbo
Kubeturbo: Helm install 2
Kubeturbo: namespace not deleting
Kubeturbo: Helm install 1
Kubeturbo: deploy with Argo CD
Turbonomic
Turbonomic: upgrade
Turbonomic: webhook to Rocket.Chat
Turbonomic: Consul not starting
Turbonomic: JVM heap for ELM (Jazz)
Turbonomic: stop/start incl. MariaDB
Turbonomic on AWS EKS
Step 1 – Jump host and RDS MariaDB
Step 2 – Create database users
Step 3 – Create EKS cluster
Step 4 – Install Turbonomic
Turbonomic: expired lab certificates
Observability
OpenTelemetry
OpenTelemetry: k8sattributes processor install
OpenTelemetry: k8sattributes ConfigMap
Instana agent with OpenTelemetry
Prometheus
Prometheus: install (Redis demo)
Prometheus: metric generator deployment
Istio: fake Host header for KServe
Instana
Instana: lab install
Instana: Oracle Free monitoring setup
Instana: single host with stanctl
Instana: GitHub agent config
Instana: change / add certificate
Instana: synthetic browser scripts
Instana: API SLO reports
Instana: simple web app example
Instana: AutoTrace webhook
Instana: multiple services with same name
Instana: images from Helm chart for Synthetic PoP
Instana: Checkmk integration
Instana API: add user to group
AI
Selfhosted AI
kotaemon
kotaemon: run as systemd service
Local AI agent – Fundamentals (EN)
Local AI agent – Practical guide (EN)
Concert Workflows AI with a local LLM (LiteLLM + vLLM)
Kubernetes & Containers
IBM Concert & Trivy
Concert: debug Instana connection
Trivy: create SBOM and upload to Concert
Trivy: CVE scan and upload to Concert
SBOM with admission controller
Docker
Docker: build
Docker: save images to file
Pi-hole on Kubernetes
Pi-hole: complete YAML
Kubernetes
Kubernetes: demo NGINX service + deployment
Kubernetes: useful commands
Kubernetes: nodeSelector, taints, affinity
Kubernetes: persistent volumes
Kubernetes: mass-delete pods by status
Kubernetes: CoreDNS / OpenShift DNS host entry
Kubernetes: utilization / load check
Kubernetes: get kubeconfig from cluster
MicroK8s: kubelet certificates
Minikube: extend node memory
Kubernetes: kubeadm cluster setup
Kyverno: block node network access
Infrastructure
VMware & Proxmox
vCenter: CLI install with JSON (Linux)
Proxmox: GRUB recovery image
Hardware: Minisforum BIOS autoboot
Linux
AlmaLinux: extend filesystem
dnsmasq as /etc/hosts for Kubernetes
NetworkManager: change DNS
AlmaLinux 9: disable/enable IPv6
Linux: performance data log
Ubuntu: change DNS with netplan
Ubuntu: extend disk and filesystem
Ubuntu: NVIDIA via OCuLink (nouveau)
Network: Fritzbox
Tips & Misc
Browser
Browser: HSTS with self-signed certificate
Python one-line web server
Home Lab
Home Assistant
Home Assistant: Fronius inverter config
TWC-Manager
Home
Home
Resource Management
Kubeturbo
Kubeturbo: Helm install 2
Kubeturbo: namespace not deleting
Kubeturbo: Helm install 1
Kubeturbo: deploy with Argo CD
Turbonomic
Turbonomic: upgrade
Turbonomic: webhook to Rocket.Chat
Turbonomic: Consul not starting
Turbonomic: JVM heap for ELM (Jazz)
Turbonomic: stop/start incl. MariaDB
Turbonomic on AWS EKS
Step 1 – Jump host and RDS MariaDB
Step 2 – Create database users
Step 3 – Create EKS cluster
Step 4 – Install Turbonomic
Turbonomic: expired lab certificates
Observability
OpenTelemetry
OpenTelemetry: k8sattributes processor install
OpenTelemetry: k8sattributes ConfigMap
Instana agent with OpenTelemetry
Prometheus
Prometheus: install (Redis demo)
Prometheus: metric generator deployment
Istio: fake Host header for KServe
Instana
Instana: lab install
Instana: Oracle Free monitoring setup
Instana: single host with stanctl
Instana: GitHub agent config
Instana: change / add certificate
Instana: synthetic browser scripts
Instana: API SLO reports
Instana: simple web app example
Instana: AutoTrace webhook
Instana: multiple services with same name
Instana: images from Helm chart for Synthetic PoP
Instana: Checkmk integration
Instana API: add user to group
AI
Selfhosted AI
kotaemon
kotaemon: run as systemd service
Local AI agent – Fundamentals (EN)
Local AI agent – Practical guide (EN)
Concert Workflows AI with a local LLM (LiteLLM + vLLM)
Kubernetes & Containers
IBM Concert & Trivy
Concert: debug Instana connection
Trivy: create SBOM and upload to Concert
Trivy: CVE scan and upload to Concert
SBOM with admission controller
Docker
Docker: build
Docker: save images to file
Pi-hole on Kubernetes
Pi-hole: complete YAML
Kubernetes
Kubernetes: demo NGINX service + deployment
Kubernetes: useful commands
Kubernetes: nodeSelector, taints, affinity
Kubernetes: persistent volumes
Kubernetes: mass-delete pods by status
Kubernetes: CoreDNS / OpenShift DNS host entry
Kubernetes: utilization / load check
Kubernetes: get kubeconfig from cluster
MicroK8s: kubelet certificates
Minikube: extend node memory
Kubernetes: kubeadm cluster setup
Kyverno: block node network access
Infrastructure
VMware & Proxmox
vCenter: CLI install with JSON (Linux)
Proxmox: GRUB recovery image
Hardware: Minisforum BIOS autoboot
Linux
AlmaLinux: extend filesystem
dnsmasq as /etc/hosts for Kubernetes
NetworkManager: change DNS
AlmaLinux 9: disable/enable IPv6
Linux: performance data log
Ubuntu: change DNS with netplan
Ubuntu: extend disk and filesystem
Ubuntu: NVIDIA via OCuLink (nouveau)
Network: Fritzbox
Tips & Misc
Browser
Browser: HSTS with self-signed certificate
Python one-line web server
Home Lab
Home Assistant
Home Assistant: Fronius inverter config
TWC-Manager
More
Home
Resource Management
Kubeturbo
Kubeturbo: Helm install 2
Kubeturbo: namespace not deleting
Kubeturbo: Helm install 1
Kubeturbo: deploy with Argo CD
Turbonomic
Turbonomic: upgrade
Turbonomic: webhook to Rocket.Chat
Turbonomic: Consul not starting
Turbonomic: JVM heap for ELM (Jazz)
Turbonomic: stop/start incl. MariaDB
Turbonomic on AWS EKS
Step 1 – Jump host and RDS MariaDB
Step 2 – Create database users
Step 3 – Create EKS cluster
Step 4 – Install Turbonomic
Turbonomic: expired lab certificates
Observability
OpenTelemetry
OpenTelemetry: k8sattributes processor install
OpenTelemetry: k8sattributes ConfigMap
Instana agent with OpenTelemetry
Prometheus
Prometheus: install (Redis demo)
Prometheus: metric generator deployment
Istio: fake Host header for KServe
Instana
Instana: lab install
Instana: Oracle Free monitoring setup
Instana: single host with stanctl
Instana: GitHub agent config
Instana: change / add certificate
Instana: synthetic browser scripts
Instana: API SLO reports
Instana: simple web app example
Instana: AutoTrace webhook
Instana: multiple services with same name
Instana: images from Helm chart for Synthetic PoP
Instana: Checkmk integration
Instana API: add user to group
AI
Selfhosted AI
kotaemon
kotaemon: run as systemd service
Local AI agent – Fundamentals (EN)
Local AI agent – Practical guide (EN)
Concert Workflows AI with a local LLM (LiteLLM + vLLM)
Kubernetes & Containers
IBM Concert & Trivy
Concert: debug Instana connection
Trivy: create SBOM and upload to Concert
Trivy: CVE scan and upload to Concert
SBOM with admission controller
Docker
Docker: build
Docker: save images to file
Pi-hole on Kubernetes
Pi-hole: complete YAML
Kubernetes
Kubernetes: demo NGINX service + deployment
Kubernetes: useful commands
Kubernetes: nodeSelector, taints, affinity
Kubernetes: persistent volumes
Kubernetes: mass-delete pods by status
Kubernetes: CoreDNS / OpenShift DNS host entry
Kubernetes: utilization / load check
Kubernetes: get kubeconfig from cluster
MicroK8s: kubelet certificates
Minikube: extend node memory
Kubernetes: kubeadm cluster setup
Kyverno: block node network access
Infrastructure
VMware & Proxmox
vCenter: CLI install with JSON (Linux)
Proxmox: GRUB recovery image
Hardware: Minisforum BIOS autoboot
Linux
AlmaLinux: extend filesystem
dnsmasq as /etc/hosts for Kubernetes
NetworkManager: change DNS
AlmaLinux 9: disable/enable IPv6
Linux: performance data log
Ubuntu: change DNS with netplan
Ubuntu: extend disk and filesystem
Ubuntu: NVIDIA via OCuLink (nouveau)
Network: Fritzbox
Tips & Misc
Browser
Browser: HSTS with self-signed certificate
Python one-line web server
Home Lab
Home Assistant
Home Assistant: Fronius inverter config
TWC-Manager
Concert Workflows AI with a local LLM (LiteLLM + vLLM)
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