There are many ways to store k8s data: emptyDir (temporary storage), hostpath (semi persistent storage), persistent storage (file, block, object storage, etc.). Almost all public cloud vendors support cloud storage service integration k8s hosting. The k8s system itself adopts two concepts, persistent volume (PV) and Persistent volume claim (PVC ...
Posted on Thu, 25 Jun 2020 23:31:23 -0400 by kamurj
1. B ...
Posted on Sun, 21 Jun 2020 07:06:15 -0400 by scuzzo84
Chinese document: http://docs.kubernetes.org.cn/
Kubernetes is an open source platform for automatic deployment, expansion and operation and maintenance of container clusters. With kubernetes, you can quickly and effectively respond to user needs; deploy your applications quickly and ...
Posted on Thu, 18 Jun 2020 22:33:27 -0400 by bengaltgrs
Kubernetes Cluster Service
Kubernetes in action Cluster Service (1)
Create services through kubectl expose
Connect services outside the cluster
Exposing services to external clients
Service using NodePort type
Get the IP of all nodes using JSONPath
Understanding the characteristic ...
Posted on Thu, 18 Jun 2020 21:15:40 -0400 by shage
1 create nfs
Deploy the nfs service on the kubernetes master node and execute on the master node
#master node install nfs
yum -y install nfs-utils
#Create nfs directory
mkdir -p /nfs/data/
chmod -R 777 /nfs/data
#Edit the export file, which is the default configuration file of nfs
/nfs/data *(rw,no_root_sq ...
Posted on Tue, 16 Jun 2020 03:04:15 -0400 by snk
This article mainly explains the installation of kubentes under centos7
1 stand alone installation
1.1 installation via minikub (official minikub)
This section mainly introduces the installation of a local stand-alone kubenetes through minikube tool
1.1.1 minikube installation
If you need to install it in a virtual machine, you need to first in ...
Posted on Tue, 16 Jun 2020 00:31:57 -0400 by batman99
1. DaemonSet controller
Introduction to 1.1 DaemonSet
When introducing DaemonSet, let's first think about a question: I believe everyone has been exposed to monitoring systems such as zabbix. Monitoring systems need to install an agent on the monitored machine. Installing an agent usually involves the following scenarios:
All nodes must have ...
Posted on Mon, 15 Jun 2020 15:38:21 -0400 by zman
We should be familiar with several states of PV and PVC, but there may be some questions in the use process, such as why PVC has become Lost state, how the newly created PVC can bind the previous PV, and can I restore the previous PV? Here we will explain several state changes in PV and PVC again.
In d ...
Posted on Mon, 15 Jun 2020 00:34:40 -0400 by waseembari1985
1. Learn more about controllers
1.1 Controller Overview
Pod is the basis of all running applications or deploying services in kubernetes. It can be seen as a robot running in k8s. Applications running alone in Pod do not have advanced features, such as Pod cannot migrate automatically when a node fails, Pod multi-replica extends horizontally, ...
Posted on Sat, 13 Jun 2020 15:12:42 -0400 by hannnndy
Overview of environmental construction
1.What is K8S?
K8S, known as Kubernetes, is a new leading distributed architecture based on container technology, which aims to automate resource management and maximize resource utilization across multiple data centers.
If our system design follows the design ...
Posted on Fri, 12 Jun 2020 20:59:41 -0400 by dtdetu