Solutions and FAQ

Expanding Persistent Volumes
TABLE OF CONTENTS Volume Resizing Procedure Recovering from failure when expanding volumes Tags: persistence Many Kubernetes cloud providers s...
Fri, 2 Jul, 2021 at 11:47 AM
Extend Kubernetes Audit logs collected by Kublr
By default, kubler collects only request metadata. To collect request body and response body, need to use other predefined audit policies. There are three...
Mon, 11 Apr, 2022 at 11:44 AM
Ingress controller with Azure WAF and Azure Front Door
Tags: azure, ingress, application gateway, front door, web application firewall Overview Azure Web Application Firewall (WAF) provides centralized prot...
Mon, 4 Oct, 2021 at 9:51 AM
Interrupt cluster update operation via Kublr API
Tags: kcp TABLE OF CONTENTS Overview Interrupt operation Overview Sometimes it is necessary to interrupt a cluster update or another long-ru...
Thu, 17 Mar, 2022 at 4:26 PM
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
Kublr Role for Cluster Management without Access to Cluster Root Kubeconfig
Tags: security The following Kublr role enables various cluster operations (update/delete etc) withholding access to the cluster admin kubeconfig file. ...
Tue, 20 Jul, 2021 at 4:42 PM
Limit the Set of TLS Ciphers Used by Kubernetes Components, etcd, and Nginx Ingress Controller
Tags: https, ingress, ssl, tls, security TABLE OF CONTENTS Ciphers used by Kubernetes components and etcd Ciphers used by Ngninx ingress controller ...
Thu, 3 Feb, 2022 at 10:59 AM
Logging rabbitmq memory configuration
It is required to configure rabbitmq persistence volume in the following cases: 1. Memory settings for rabbitmq significantly changed (param rabbitmq.rabbit...
Thu, 15 Sep, 2022 at 11:52 AM
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