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DNS Domain name resolution refers to the domain name to the IP of the website space, so that people can easily access the website through the registered domain name. IP address is the digital address that identifies the site on the network. In order to facilitate memory, domain name is used instead of IP address to identify the site address. D ...

I. Questions When installing kubelet kubeadm on master and worker nodes, it happens to update the version of k8s. Previously, the default installation was adopted. When the worker node joined the master node, the node was always in notReady state. Installation of the specified version number 2.1 Check So Version Number $ yum list kubelet kubead ...

1.tar Tar command format [-zjxcvfpP] filename tar - z: Represents simultaneous gzip compression. - j: Represents the simultaneous compression with bzip2. - J: Represents the simultaneous compression with xz. - x: Represents unpacking or decompression. - t: To view the files in the tar package. - c: Represents the creation of a tar packag ...

Mission 12 June 3.4 usermod command 3.5 User Password Management 3.6 mkpasswd command         3.4 The usermod command: Commands for usermod to change user attributes   Usermod-u 1000 file to change uid Usermod-g 111 file to change gid (with ID or group name) Usermod-d/home/gdsgsdg file to change home directory Usermod-s/sbin/nolog ...

17:18:30 May 27, 2019 Siemens Phoenix 275 more readings Category Column: MongoDB Copyright Statement: This is an original blogger article that follows  CC 4.0 BY-SA  Copyright Agreement, reproduced with a link to the original source and this statement. Links to this article: https://blog.csdn.net/weixin_43886133/article/details/90607193   ...

Project Background: Considering many problems such as high reliability, there may be multiple architectures in public or private clouds, such as two places, three centers and so on. Requirements in different regions of the instance node through the same domain name resolution to local A records or cloud products CNAME, and achieve high reliabil ...

This article describes how to deploy a highly available k8s cluster through Kubespray. The k8s version is 1.12.5. 1. Deployment Manual Code Warehouse: https://github.com/kubernetes-sigs/kubespray Reference documents: https://kubespray.io/#/ 2. k8s master machine configuration 3. Installation steps of k8s cluster Step 1: Set up Secret-Free Log ...

Background: In the actual use of the Internet, it is well known that the domain name is used to access a service directly, but with the continuous optimization of the Internet business structure, it may be a simple step for users to access a domain name to obtain related resources, but in fact, for the entire request process of the Internet is ...

This template example supports adding all created ECS to a single/multiple (up to three) SLB s as multiple back-end servers Sketch: ECS instances in the template support specifying different instance names and host names, and can choose network type as VPC or CLASSIC. When choosing not to create VPC, ECS instance specifications need to be chang ...

MongoDB Opens shard Operation Minimum Privilege User Authorization  (2018-01-25 15:52:29) Reprint_ Label: mongodb   shard   Minimum permission   shardcollection   privileges Classification: data base background Operational requirements provide a minimum privilege for program users to meet the following operational requirements: ...