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Introduction: This article mainly introduces how to use private image to arrange containers in Kubernetes cluster. For image download, domain name resolution and time synchronization, please click Alibaba open source mirror station Operation method Kubernetes clusters support the use of private images to orchestrate containers. First, you ...

How kubedm works Install master When initializing the master, just execute the kubedm init command: kubeadm init --pod-network-cidr 10.244.0.0/16 --kubernetes-version st able This command will automatically: System status inspection;Generate a token;Generate self signed CA and client certificate;Generate kubeconfig to connect kubelet to A ...

What's Helm? Helm is the package manager of Kubernetes. Like package management tools such as yum and apt, helm can easily deploy the applications we want with one click. Writing Helm has three main goals: 1. Easily realize "from zero to Kubernetes"; 2. Provide a software package management system similar to the operating syste ...

What is Docker In short: Docker in IT software refers to container technology, which is used to support the creation and use of docker containersWith Docker, containers can be used as lightweight, modular virtual machines At the same time, you will also gain a high degree of flexibility, so as to realize the efficient creation, deployment ...

Docker network The network in Docker mainly solves the problem of mutual communication between containers, between containers and external networks, and between external networks and containers. Docker communication mode By default, Docker uses the bridge+NAT communication model. When Docker is started, it will automatically create the bridg ...

Mirrored hierarchy Shared host kernel base image provides the smallest linux system The same docker host supports running multiple linux distributions The biggest advantage of adopting hierarchical structure is to share resources Copy in write writable container layer All mirror layers below the container layer are read-only docke ...

A workflow example Welcome to my personal blog Torch-Fan name: Build and Deploy to ACK on: release: types: [created] # Environment variables available to all jobs and steps in this workflow. env: REGION_ID: cn-hangzhou REGISTRY: registry.cn-hangzhou.aliyuncs.com NAMESPACE: namespace IMAGE: repo TAG: ${{ github.sha }} ACK_ ...

1, Explain This article describes how to upgrade the Kubernetes cluster created with kubedm from version 1.13 X upgrade to version 1.14 x. You can only upgrade from one MINOR version to the next, or upgrade between PATCH versions of the same MINOR. In other words, MINOR version cannot be skipped during upgrade. For example, you can start fro ...

Server domain name binding If the newly purchased Tencent ECS is bound with the newly purchased domain name? There are three pre steps: buying a server, buying a domain name and filing. These three steps will not be mentioned one by one.The server binds the domain name. In other words, it is resolved to your server when the domain name is ...

docker network creation Containers themselves cannot be networked with each other, but they can be interconnected by placing them in the same network segment. Can pass docker network create creates a network segment name To create network segments, we can also use docker network ls to view network segments. By default, there will be thr ...