Zhimin WenRestore an ElasticSearch Cluster from its Partial VolumeI have a elasticsearch cluster running on OpenShift implemented with the elastic helm chart. After some wrong operations, the cluster is in…Sep 2Sep 2
Zhimin WenWhy my application URL works alternatively inside the PodAn Attribute of ROSA Network Load BalancerAug 14Aug 14
Zhimin WenUse Private WebHook for SNS SubscriptionI have a commercial product that integrate with AWS through SNS https endpoint subscription. However the SNS http/https subscription…Aug 9Aug 9
Zhimin WenCleanup of pg_wal directoryI have a Postgres cluster deployed on OpenShift using the CNPG operator. It has been running well for the past 90 days. But recently one of…Aug 2Aug 2
Zhimin WenNexus Repository Proxy for Airgap Instana AgentAirgap environment is commonly seen in a tightly controlled environment. No internet connection is allowed. While Instana agent needs the…Jul 5Jul 5
Zhimin WeninITNEXTExpose OpenShift Route/Service PartiallyTypically, the OpenShift services are designed in such a way that the entire exposed services are available. But sometimes, you may want to…May 19May 19
Zhimin WenUpdate Cloud Pak Route’s HostnameYou may want to use your own custom hostname for the Cloud Pak’s route. This paper consolidates the steps together for future reference.May 6May 6
Zhimin WenImplement SAML based SSO with KeyCloakLet’s explore SAML integration with KeyCloak.May 6May 6
Zhimin WenDual-home ENI routings for RHELI have a RHEL9 EC2 instance with dual-home ENI cards. One interface is located in the data subnet which suppose to handle data related…Apr 17Apr 17