Solutions and FAQ

Customize Elastic Stack
TABLE OF CONTENTS Overview Enable XPack and XPack Features Disable SearchGuard XPack and SearchGuard in Kublr versions before 1.20.2 XPack enable swit...
Wed, 14 Apr, 2021 at 9:11 AM
Customize Ingress and Ingress Controller Configuration
TABLE OF CONTENTS Ingress ELB Customization in AWS Clusters Specify Ingress ELB S3 Bucket Policy in AWS Clusters     You can create a Kublr cluster...
Tue, 13 Apr, 2021 at 2:46 PM
Customize KCP Persistent Storage
The main and the IdM data storage The main KCP data (cluster specifications, secrets, settings, etc) are stored in the Mongo DB. The IdM / keycloak da...
Wed, 31 Mar, 2021 at 2:12 PM
Elasticsearch watchers
[Supported in Kublr 1.21.0 and later] Tags: elasticsearch, watchers By default Elasticsearch is configured with a Basic license and SearchGuard plugin ...
Fri, 11 Jun, 2021 at 4:24 AM
Java Applications Resource Management on Kubernetes
Tags: Java, JVM, Resources TABLE OF CONTENTS Resource limits considerations Troubleshooting Java parameters and resource usage References and additi...
Wed, 19 May, 2021 at 12:37 PM
Keycloak in HA Mode
[Supported in Kublr 1.20.0 and later] In order to run keycloak in HA mode you need to use following configuration in the cluster specification: spe...
Fri, 23 Apr, 2021 at 5:44 PM
Let's Enrypt DNS Solver with AWS Route53 service
By default Kublr using an HTTP solver in Certmanager Let's Encrypt (https://cert-manager.io/docs/configuration/acme/http01/). Default clusterissuer nam...
Wed, 31 Mar, 2021 at 1:56 PM
Limit the Set of TLS Ciphers Used by Kubernetes Components, etcd, and Nginx Ingress Controller
TABLE OF CONTENTS Ciphers used by Kubernetes components and etcd Ciphers used by Ngninx ingress controller Ciphers used by Kubernetes components and et...
Mon, 22 Mar, 2021 at 4:51 PM
Manage Kublr Components and Data on a Cluster Node
TABLE OF CONTENTS Stop Kublr on a Node Start Kublr on a Node Remove Kublr Components and Data from a Node In some situations, especially with on...
Thu, 13 May, 2021 at 4:30 PM
Monitoring frequently requested configuration changes
TABLE OF CONTENTS Change/increase Prometheus scrape timeout Change/increase Prometheus scrape timeout spec: features: monitoring: value...
Thu, 3 Jun, 2021 at 8:26 AM