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Vault

How to install Hashicorp Vault on GCP cloud shell

Posted on September 10, 2019September 10, 2019 by NICK

Vault is a secret management tool that equivalent to Key Vault in Azure and KMS in AWS. But vault has lots of other features that…

helm

GKE Helm Error: no available release name found

Posted on September 4, 2019September 4, 2019 by NICK

Today I was testing helm deployment in GKE. I create the tiller rbac and init helm from the cloud shell in GCP. I was able…

jenkins

java.net.ProtocolException: Expected HTTP 101 response but was ‘500 Internal Server Error’

Posted on August 30, 2019August 30, 2019 by NICK

Today I found a problem in our Jenkins instance. the build is failing, I checked the log on jenkins master and found the following: 12:11:18…

Kubernetes

Write kubernetes secret into multiple namespaces

Posted on August 26, 2019August 26, 2019 by NICK

As my previous post, I’ve also came into a situation that I need to write the same secret into multiple namespaces. In this case, rather…

Vaults

how to read vault and write it into different namespace

Posted on August 26, 2019August 26, 2019 by NICK

I’m using hashcorp vault in the current kubernetes environment that I’m working at. We got many namespaces that require the same setup include secrets. I…

Kubernetes

Kubernetes Use nodeSelector to deploy pod into specific node

Posted on August 13, 2019August 13, 2019 by NICK

I had a request from one of my client, his requirement is to run a pod on a specific node. I’ve implement the following by…

Kubernetes

Multi-Attach error for volume “pvc” Volume is already exclusively attached to one node and can’t be attached to another

Posted on July 26, 2019July 26, 2019 by NICK

Today I was doing the services recovering from a cluster rebuild. I was trying to bring back the Jenkins master. The Jenkins_home has been defined…

DeepSecurity SmartScan

Make Deepsecurity Smartcheck db pod backed by managed azure disk

Posted on July 25, 2019July 25, 2019 by NICK

I was working on the trendmicro deepsecurity smart check for container scanning. The client I’m working on got a big container registry, around 10k images.…

EKS

EKS could not get token: NoCredentialProviders: no valid providers in chain. Deprecated.

Posted on July 12, 2019July 12, 2019 by NICK

If you are getting the following error when you try to execute the kubectl command. could not get token: NoCredentialProviders: no valid providers in chain.…

EKS

Unable to connect to the server: getting credentials: exec: exec: “aws-iam-authenticator”: executable file not found in $PATH

Posted on July 8, 2019July 8, 2019 by NICK

Today I’m working on an EKS cluster in AWS. I’ve been used terraform to create AKS and GKE in the past. I wouldn’t say EKS…

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