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Category: Category: kubernetes

a few words about prometheus

2021-05-22
 |  No Comments
 |  kubernetes, prometheus

A few days ago I implemented the horizontal pod auto scaling for our application based on customer metrics in the Kubernetes. During the implementation, I […]

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crd-install for apiextensions.k8s.io/v1 does not work in helm v2 command

2021-05-05
 |  No Comments
 |  helm, kubernetes

A few days ago, when I tried to install the below application with the latest helm chart using helm v2 command, I got an error […]

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a few kubectl command examples

2021-04-24
 |  No Comments
 |  kubernetes

In this post, I will list a few examples for kubectl comman, which can be referenced in daily work. 1. create tls secret kubectl create […]

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Kubernetes pod termination events

2021-02-10
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 |  kubernetes

A few days ago I was assigned a user story to investigate the upgrade of our application in Kubernetes environment without breaking the application servicing customers. […]

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remove node from Kubernetes cluster safely

2019-10-09
 |  No Comments
 |  kubernetes

Confirm the name of the node you want to remove, and make sure that the pods on the node can be terminated. The pod list […]

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chrome does not use commonName to verify site certificate

2019-09-06
 |  No Comments
 |  certificate, kubernetes, openssl

I showed how to create a self-signed certificate using openssl command line in this post. However, after I created a self-signed certificate using the similar […]

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在RHEL7上搭建kubernetes 1.11集群

2018-08-05
 |  No Comments
 |  docker, kubernetes, linux

在RHEL7的虚拟机上搭建一个kubernetes 1.11集群,环境如下 master: 192.168.10.1 node1: 192.168.10.2 node2: 192.168.10.3

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setup an externally accessible etcd in kubernetes

2018-07-29
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 |  etcd, kubernetes

As we know, the IP addresses of pods and services in kubernetes are not accessible from the outside of the kubernetes cluster. In order for […]

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nslookup in busybox 1.29 does not work in kubernetes

2018-07-25
 |  No Comments
 |  kubernetes

Recently I was trying to use nslookup in pod initContainers in order to make sure that some services are available during pod startup. However, it didn’t work […]

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