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Server environment: CentOS7; Installation of Docker (CE) I. Preparations 1.1 Common Commands commandexplainuname -rView the current system kernel versiondocker -vView Docker Versionsystemctl start dockerStart Docker Servicesystemctl stop dockerStop Docker Servicesystemctl restart dockerRestart Docker Service`` 1.2 Uninstall Docker ( ...

Basic concepts of kubernetes Pod: k8s minimum deployment unit, a collection of containersDeployment: the most common controller for higher-level deployment and management of podsService: provides load balancing for a group of pods and provides unified access to the outside worldLabel: label, attached to a resource, used to associate objects, q ...

k8s cluster deployment kubeadm is a tool launched by the official community for rapid deployment of kubernetes clusters. This tool can deploy a kubernetes cluster through two instructions: # Create a Master node $ kubeadm init # Add a Node to the current cluster $ kubeadm join <Master Nodal IP And ports> Official website: Kubern ...

catalogue 1, What is load balancing? 2, Why load balancing? 3, Load balancing algorithm 1.round-robin 2.ip-hash 3.least-connected 4, Health check for load balancing 5, Brief introduction of nginx for load balancing 6, Compile and install nginx 1. Preparation 2. Compile and install nginx 3. Configure the load balancing function in ng ...

[TOC]prefacePreviously, we deployed springboot, redis and mysql projects with docker, but they are deployed in three different containers. We also need to know the ip addresses of redis and mysql and manually configure them into the springboot application container. I just want to test them locally quickly. This cost is too high. Is there any w ...

preface I want to try how to run the sql of flink. Last year, I saw that the big brother JarkWu shared it, but I haven't actually operated it. Recently, I'm interested. Original Jarkwu sharing Demo: building streaming applications based on Flink SQL. JarkWu github flink-sql-demo The boss is based on flink1 Version 10 is built, but the rel ...

  Write in front In this short composition, we will learn another key problem of image construction. Why is the image created by others only 10MB and mine a few hundred MB? How to thin the mirror and reduce the mirror volume? We can cut into thin image from two aspects: Reduce the number of mirror layersReduced capacity 1, Reduce the nu ...

Software packages required during deployment Link: https://pan.baidu.com/s/1UajMORVvQ_VSLOdVkJWYQQ Extraction code: e28y Link: https://pan.baidu.com/s/1dMj8JEaRIOaXP53W2kF_mQ Extraction code: xbyo a key: Sets the host name in FQDN formatTurn off firewallTurn off ipv6Configure local http serviceConfigure local storageThe mysql jdbc drive ...

Introduction to docker image docker images are layered, with underlying online overlay downloads. dockerfille generates images in the form of text. Its advantage is that you can view the generation process after generating images. Compared with docker commit, it is more secure and reliable. When using dockerfile, you must write a file with t ...

Configure Docker environment of ROS target Configure two independent Docker environments, ROS1 and ROS2 GUI applications in the ros docker container on the local display server, such as rqt, rviz, etc From the local, you can directly ssh log in to the ROS container of the server Mount a directory of the server into the container to facil ...