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Azure DevOps

Configure terraform in Azure DevOps CI

Posted on February 9, 2020February 9, 2020 by NICK

Today I’m working on configuring terraform in Azure DevOps CI. The goal is very simple; just try to use terraform automatically install the terraform templates.…

istio

Info too many open file timed out when install istio on Azure

Posted on January 5, 2020January 5, 2020 by NICK

I was experiencing the following issue when trying to install istio on Azure. istioctl manifest apply -f istio.aks.yaml –logtostderr –set installPackagePath=./install/kubernetes/operator/charts 2020-01-05T22:29:29.321354Z info ReadProfileYAML for…

istio

Set up istioctl auto completion for ZSH

Posted on January 5, 2020 by NICK

After testing istio in my side project for a while, finally one of the customers is keen to give istio a go. Because the client…

helm

Install helm 2 and helm 3 on the same Mac

Posted on December 30, 2019 by NICK

I’m working on a project that we would like to get helm 3 for our client. There is default option to upgrade helm 2 to…

python

ImportError: cannot import name ‘ssl’ from ‘urllib3.util.ssl_’

Posted on December 14, 2019 by NICK

I was running an old script for one of my client today. The script was written in Python. And I was running python 3.7.4 while…

kafka

Error while executing topic command : Replication factor: 2 larger than available brokers: 1

Posted on November 25, 2019 by NICK

When you working with kafka-topics CLI to create topic, you may experience the following error: Error while executing topic command : Replication factor: 2 larger…

Vault

Error authenticating: error looking up token: Get https://127.0.0.1:8200/v1/auth/token/lookup-self: x509: cannot validate certificate for 127.0.0.1 because it doesn’t contain any IP SANs

Posted on September 23, 2019 by NICK

Today I’m working on a vault demo and I just create a vault server on GKE. when I try to log into vault. I was…

Vault

Error reading database/*/*: Error making API request. 1 error occurred: * failed to find entry for connection with name: “dev”

Posted on September 23, 2019September 23, 2019 by NICK

If you are trying to generate dynamic secret on vault and you are getting the following error. this could help. Error reading database/creds/dev: Error making…

Vault

Create dynamic mysql secret in vault

Posted on September 23, 2019 by NICK

Today I’m going to talk about the dynamic secret in vault by a demo. prerequisite: you have already have a kubernetes cluster, a vault server…

Vault

Vault Error unsealing: Error making API request.

Posted on September 14, 2019September 14, 2019 by NICK

Hashicorp recently published helm chart for vaults. I’m trying it out today. Unfortunately currently there is no way you can install it from the remote…

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