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
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 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
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.
Posted on Tue, 23 Jun 2020 01:02:20 -0400 by socio
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
Here we use the docker version docker-dnsmasq corresponding to dnsmasq.
Guide to Use
docker pull docker-dnsmasq
Create the simplest configuration /opt/dnsmasq.conf
#dnsmasq config, for a complete example, see:
#dns parsing log
#Define Host to IP Mapping
Posted on Sat, 13 Jun 2020 12:52:38 -0400 by sujithnair
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
#####Reference article( https://blog.51cto.com/412166174/1975822)
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
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
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