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kubernetes(k8s) environment construction and deployment preface The word kubernetes comes from Greek, which means navigator and container arrangement technology at the production environment level, which can realize automatic deployment, expansion and management of containers. Kubernetes, also known as K8S, in which 8 represents t ...

Briefly understand some core concepts in k8s and their functions. 1. namespace Namespace can be used for resource isolation. Namespace provides a range for Names. The Names of the resource are unique in the namespace. Namespace is a way to divide cluster resources into multiple uses (through resource quota). 1. Create (1) Command line creation ...

catalogue 1, Introduction to Volumes 2, emptyDir volume Introduction to emptyDir emptyDir example 3, hostPath volume hostPath example 4, NFS example V. persistent volume Static PV NFS dynamic allocation PV 1, Introduction to Volumes The files in the container are temporarily stored on disk, which brings some problems to the speci ...

From below, you can see that there are problems in three places etcd-master1,kube-apiserver-master1,kube-flannel-ds-42z5p [root@master3 ~]# kubectl get pods -n kube-system -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES coredns-546565776c ...

Prometheus Operator - the second part uses Prometheus Operator to manage monitoring configuration, such as alertmanager alarm, user-defined alarm rules, etc~https://mp.weixin.qq.com/s?__biz=MzU0NjEwMTg4Mg==&mid=2247485774&idx=1&sn=1b0301dadc4b737e19b1066219813db7&chksm=fb63865bcc140f4d8966d1c3745c8f69c6384337c43a1a8eda6e1ae488bd ...

1, Introduction to Kubernetes 1.kubernetes Kubernetes, abbreviated as K8s, is an abbreviation of 8 characters instead of "ubernet". It is an open source application for managing container applications on multiple hosts in the cloud platform. Kubernetes aims to make the deployment of container applications simple and efficient. K ...

WeChat Public Number: Operations Development Story by Joke Preface In December last year, when the Kubernetes community announced version 1.20, it gradually abandoned dockershis, and there were also many media campaigns promoting the abandonment of Docker s by Kubernetes. Actually, I think this is misleading, maybe just to calm down. docke ...

WeChat Public Number: Operations Development Story by Joke Preface In Kubernetes, networks are provided through third-party network plug-ins, whose implementation is so complex that they often run into difficulties when troubleshooting network problems. So what is the way to monitor all the network connections in a cluster? kubenurse is on ...

1. pod life cycle init container Case: when the service monitored by the init container is not configured, the main container and init container cannot start normally apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp-container image: busyboxplus command: ['sh', ' ...

prefacePrevious installation and deployment Rainbond No way can bypass the construction of Kubernetes cluster. Whether it is used as a development environment or for production delivery, the deployment process is very dependent on the server or virtual machine. This sets a high threshold in the process of experiencing the rainbow cloud native a ...