Monitoring TKGs cluster using VMware Aria Operations
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Monitoring TKGs cluster using VMware Aria Operations

VMware Aria Operations (ex vROps Operations) is a powerful tool for monitoring infrastructure, virtual machines, predict resource demands or costs. Use cases is much more. One of them is ability to visualize, provide logs and information from the Tanzu Kuberentes Grid clusters. To obtain insightful data from the nodes you need to use dedicated addon – Management Pack for Kubernetes.

Deploy TKGs cluster with Terraform on TMC (SaaS)
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Deploy TKGs cluster with Terraform on TMC (SaaS)

TKG cluster can be deployed in a many ways. You can use simple YAML file and run it from the Supervisor. You can use some automation tool like Jenkins or create Kubernetes nodes from the TMC.
Apart from that, Terraform has a dedicated Tanzu Mission Control provider (plugin) to automate many processes.

TKG LoadBalancer service is in a pending state – Expired Avi SSL/TLS certifcate
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TKG LoadBalancer service is in a pending state – Expired Avi SSL/TLS certifcate

Some time ago, I received a message from users, that they can’t create new services on TKG clusters. The new services had an unusual “pending” status. We didn’t make any major changes to the infrastructure, no upgrades etc…situation like: it worked before, now it doesn’t work.

Tanzu cluster is not visible after deployment? Tanzu CLI installation and accessing clusters in vSphere 8
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Tanzu cluster is not visible after deployment? Tanzu CLI installation and accessing clusters in vSphere 8

Last time, I deployed a new cluster. For this task, I used Tanzu Mission Control. Everything goes well, machines was created. Than, I connect to dedicated vSphere namespace and try to list tkc clusters. And a new cluster was not visible…Why?