DNS domain name resolution service configuration (recommended tutorial)

catalogue 1, DNS 1.1 introduction to DNS Service DNS (Domain Name System), as a distributed database mapping domain names and IP addresses on the Internet, can make it easier for users to access the Internet without remembering the IP strings that can be read directly by the machine. The process of obtaining the IP address corresponding to ...

Posted on Mon, 20 Sep 2021 20:40:43 -0400 by dammitjanet

Fully understand DNS and HTTPDNS!

In the mobile scenario, DNS resolution overhead is a non negligible part of the whole network request. In the weak network environment, based on UDP The local DNS resolution of is very prone to the problem of resolution timeout, and even if the resolution is successful, it will consume hundreds of milliseconds or even more, which is very unfavo ...

Posted on Mon, 20 Sep 2021 17:31:37 -0400 by samirk

Configuration of static Ip under centOS7.

Configuration of NAT static network card under centOS7 Recently, large data was built under cenOS7 and the need for centOS7 to configure static IPS was found.This post is about how to configure centOS7's static ip in a VM virtual machine.If there are any deficiencies, we also hope that like-minded people can correct and communicate, and make p ...

Posted on Sat, 27 Jun 2020 19:53:04 -0400 by mikeduke

. NETCore remote call

HttpClient HttpClient is a special object. Although it inherits the IDisposable interface, it can be shared (or reused) and thread safe. From the project experience, it is recommended to reuse the HttpClient instance throughout the application life cycle, rather than instantiate one every time an RPC request occurs. c ...

Posted on Tue, 23 Jun 2020 01:02:20 -0400 by socio

Kubernetes in action Cluster Service

Kubernetes Cluster Service Kubernetes in action Cluster Service (1) Create services through kubectl expose Service Discovery 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

Docker sets up DNS server in 1 minute

Here we use the docker version docker-dnsmasq corresponding to dnsmasq. Guide to Use Download Mirror docker pull docker-dnsmasq Create the simplest configuration /opt/dnsmasq.conf #dnsmasq config, for a complete example, see: # http://oss.segetech.com/intra/srv/dnsmasq.conf #dns parsing log log-queries #Define Host to IP Mapping address=/h0/1 ...

Posted on Sat, 13 Jun 2020 12:52:38 -0400 by sujithnair

Thoroughly understand etcd series: etcd cluster operation and maintenance deployment

0 album overview etcd is an important basic component in cloud native architecture, which is hosted by CNCF incubation. etcd can be used not only as service registration and discovery, but also as key value storage Middleware in microservices and Kubernates clusters. "Thoroughly understand etcd series of articles" will introduce etc ...

Posted on Sun, 07 Jun 2020 04:54:53 -0400 by Kyrst

Consumer cluster deployment-01

#####Reference article( https://blog.51cto.com/412166174/1975822) About consumer Consul includes multiple components, but as a whole, it provides service discovery and service configuration tools for your infrastructure. It provides the following key features:Service discovery: the client of Consul can provide a service, such as api or mysql. ...

Posted on Wed, 03 Jun 2020 11:02:10 -0400 by dancahill

Detailed Docker Network for kubernetes

Container Network Details Virtual Network Type Common network types for virtualization (virtual bridged networks) Isolation bridge: 127.0.0.1 Host Bridge Only: No external communication Router Bridge: Can be sent by nat, but cannot NAT Bridge: NAT Connection Tracking for communication between host and external Common network types for doc ...

Posted on Tue, 02 Jun 2020 20:14:20 -0400 by dustbuster

DHCP relay service

1: Experimental environment1.1: Huawei ensp software1.2: PC, router and switchPC in initialization state and router and switch in initialization state2, Experiment requirements, realize the whole network interworking and DHCP relay on R43: Experimental process3.1: equipment configurationIn the ensp, the PC, router and switch are ready and st ...

Posted on Thu, 28 May 2020 11:09:52 -0400 by alemapo