K8S scheduler affinity and anti affinity

brief introduction Scheduler is the scheduler of kubernetes. Its main task is to allocate the defined pod to the nodes of the cluster. It sounds very simple, but there are many questions to consider: -Fairness: how to ensure that each node can be allocated resources-Efficient utilization of resources: all resources in the cluster are used to th ...

Posted by arbab on Tue, 26 Apr 2022 07:11:58 +0300

Goodbye, command line! K8S fool installation, graphical management, really fragrant!

Goodbye, command line! K8S fool installation, graphical management, really fragrant! #K8S series 4 Before, we always used the command line to manage K8S. Although this method looks cool to programmers, it is sometimes troublesome to use. Today, let's introduce a K8S visual management tool Rancher. Using it can greatly reduce our workload in ma ...

Posted by peerData on Mon, 25 Apr 2022 20:52:20 +0300

Binary method - deploy k8s cluster deployment version 1.18

Binary method - deploy k8s cluster deployment version 1.18 1. Pre knowledge points 1.1 there are two ways to deploy kubernetes cluster in production environment At present, there are two main ways to deploy Kubernetes clusters in production kuberadm Kubedm is a K8s deployment tool that provides kubedm init and kubedm join for rapid deployme ...

Posted by Ferenc on Sun, 24 Apr 2022 23:37:10 +0300

K8S combat Series 2: Pod, workload and service

Article series k8s actual combat series: why do you need Kubernetes review Container is actually a special process. Now, you can understand that the core principle of Docker project is actually for the user process to be created: Enable Linux Namespace configuration;Set the specified Cgroups parameter;Switch the root directory of the ...

Posted by tysoncane on Sat, 23 Apr 2022 15:00:38 +0300

Binary installation Kubernetes (k8s) v1 23.6 ---

Continued abovekubernetes binary installation1.23.3 and 1.23.4 and 1.23.5 and 1.23.6 documents and installation packages have been generated.Later, update the new version of the document as soon as possiblehttps://github.com/cby-chen/Kubernetes/releasesScript project address: https://github.com/cby-chen/Binary_installation_of_KubernetesManual p ...

Posted by madmax on Thu, 21 Apr 2022 12:41:06 +0300

Binary installation Kubernetes (k8s) v1 23.6 ---

backgroundkubernetes binary installation1.23.3 and 1.23.4 and 1.23.5 and 1.23.6 documents and installation packages have been generated.Later, update the new version of the document as soon as possiblehttps://github.com/cby-chen/Kubernetes/releasesScript project address: https://github.com/cby-chen/Binary_installation_of_KubernetesManual projec ...

Posted by Popgun on Thu, 21 Apr 2022 12:41:23 +0300

docker - install and deploy K8S cluster

kubernetes In Greek, it means captain or navigator Before the container technology, if multiple applications are running on the physical server, one application may occupy most of the resources, which may lead to the performance degradation of other applications. One solution is to run each application on different physical servers, but it ca ...

Posted by kevinn on Thu, 21 Apr 2022 05:24:35 +0300

k8s cluster deployment is applicable to both internal and external cloud servers

Prepare the environment Linux CentOS 7.x two or more, 7.6 used in this paper explain The default configuration in this paper is in the Intranet environment, that is, the server is in the same LAN environment, and the differential configuration of the external network is additionally marked with [difference - serial number]. You can see ...

Posted by palpie on Wed, 20 Apr 2022 23:21:36 +0300

k8s deployment - learned less than 8 times

Three machines [root@master1 ~]# cat /etc/hosts 192.168.1.126 master1 192.168.1.127 node1 192.168.1.128 node2 192.168.1.129 node3 223.5.5.5 Naming rules and machines follow this step strictly. 2CPU 2G memory, otherwise an error will be reported when adding node After the installation, the static ip address is used to ensure that the network ...

Posted by jaimitoc30 on Wed, 20 Apr 2022 11:13:21 +0300

Kubernetes FAQ summary

For various reasons, various problems may be encountered in the process of installing or using kubernetes This article lists some common faults according to the introduction of the official website to help quickly solve some common errors How to delete rc,deployment,service in inconsistent status In some cases, it is often found that the kube ...

Posted by jozard on Tue, 19 Apr 2022 16:42:30 +0300