A technical blog about HCL Connections, HCL Domino and other stuff
During installation of the HCL Component pack for HCL Connections, certificates are generated for OpenSearch, Mongo and the Ingress controller. These certificates are valid for 2 years. If you don’t renew them in time, you have a problem when either of these deployments gets restarted.
Read here how to renew these certificates.
Continue readingUpgrading from containerd 1.7 to 2.x as part of an HCL Connections Component Pack upgrade may introduce an unexpected issue: the default open file limit is no longer set to infinity. In larger or heavily used environments, this can lead to EMFILE (Too many open files) errors and application instability, as we experienced with MongoDB after upgrading to CR14. This article explains the change, how to identify whether your environment is affected, and the steps required to restore the previous behavior and verify the fix.
Continue readingThe HCL Connections component pack now (since CR14) uses Traefik as Ingress controller. The values-file that HCL provided in their migration files, contains outdated values. This article explains what to change.
Continue readingNormally a Kubernetes environment is well maintained and regularly updated with the most recent versions of Kubernetes. However, with a
Continue readingThere can be good reasons to make your pods think that myurl.example.org resides at a different IP address than your dns servers would answer. This blog shows a quick and dirty way to establish just that
Continue readingThis is a collection of things I encountered during my work and were interesting enough to write down. Both for myself and for others. Topics include HCL Connections, HCL Domino, Linux, SQL etc.
