Basic script attempt
Try the script for the first time. Go by and correct it! syeteminfo system profile command #!/bin/bash #Descrition:show system information #filename:...
kubeadm deployment k8s
The new version of kubeadm has changed some parameters, the installation method has changed, you can refer to the new version installation method [ku...
PXE+Kickstart unattended installation
PXE one key installation PXE(Preboot eXecute Environment) is mainly used to boot the client host to install the Linux operating system in the unatten...
Video picture -- multi thread download tool
Don't think the network speed is slow? That's because you don't have a good download tool, multi-threaded download, the number of threa...
Echo server C + + 4-UDP connect version
Calling the connect function for a UDP socket does not establish a connection with the UDP socket of the other party, but registers the destination IP...
Webpack learning - how it works
Following the last chapter Article This paper introduces the basic concept of webpack, the whole process, and the function of some events broadcast in...
Using jsonp to realize Baidu association words
The so-called json is a "usage mode" of json, which can be used to solve the problem of cross domain data access of mainstream browsers. Th...
[big data learning 02] preparation for Hadoop cluster installation
I. connecting virtual machines to the Internet The virtual machine cannot ping the network card. The following settings are required at this time vi ...
Record a string compression operation
There is a scenario in the project: a batch of data needs to be sent to the APP side, and in the actual application scenario, there is a certain limit...
python multithreading and multiprocessing: ping scanning and stock price crawling of surviving hosts
python multithreading and multiprocessing Multithreading: Case: scan the surviving hosts in a given network (test by ping, if there is a response, it ...
python multithreaded crawler + batch download Doo Doo Doo picture project (attention, continuous update)
python multithreaded crawler project () Crawling target: doodle (starting url: http://www.doutula.com/photo/list/?page=1) Crawling content: doutula pi...
Functional computing automation operation and maintenance practice 2 -- event triggered eip automatic transfer
Function calculation Ali cloud Function calculation Is an event driven fully hosted computing service. Through function calculation, you don't ne...
Get the weight or feature of a layer in the middle of Python
Get the weight or feature of a layer in the middle of Python Question: how to deal with a trained network model that wants to know the weight of a ce...
Nginx learning notes virtual machine host
Virtual host web service publishing needs to meet three preconditions: IP, PORT and domain name; A web server can only publish one web by default; In...
vue wechat sharing (actual battle)
Today, I met the demand of wechat sharing. Generally speaking, it's relatively simple, but I still met a hypothetical pit (really hypothetical) a...
Detailed explanation of the latest wechat domain name detection technology
Now the number of users of wechat has ranked first in all communication apps, and wechat has become one of the largest mobile traffic platforms in Chi...
The use of Web view developed by Flutter and the custom processing of its hyperlink
Preface: The Flutter project needs to use WebView to load web pages. Here I use the plugins of Flutter and inappbrowser to load web pages inside the A...
The gin of golang network framework
golang native http library can easily implement an http server, but for complex web services, such as routing analysis, request parameter analysis, ob...
H 3C simulator DHCP Snooping, relay instance configuration
1.DHCP instance configuration ## Configuration steps (configure on router) ### (1) # Configure the IP address of the interface. <H3C> system-vi...
FPGA Foundation (verilog language) - syntax
Introduction to verilog verilog is a language with syntax similar to c, but it is different from c, for example: 1.verilog language is parallel, each ...
What is java serialization? When is serialization required?
Serialization: the process of converting Java objects into byte streams. Deserialization: the process of converting a byte stream to a Java object. Ja...
Domain name, port and IP of Nginx virtual host
For nginx source package, please send me a private message Domain name of Nginx virtual host [root@localhost ~]# yum install bind -y Configure DNS ma...
A self encoder for eliminating noise based on keras
primary coverage In this paper, we mainly introduce the implementation of the noise free self encoder based on keras. In fact, for a common autoencod...
Single arm Routing - logical interface (detailed transmission process!)
Single arm routing Single arm routing (router-on-a-stick) refers to the interconnection and interworking between different VLAN s (virtual LANs) isol...
Deep optimization of apache working mode, ab stress test, apache directory attribute
ab pressure test Apache has its own stress testing tool ab, which is simple and easy to use. It can simulate various conditions to make a test reques...
Nginx configuration - virtual host is based on IP, domain name and port (actual combat!)
Nginx virtual host Domain name based virtual host Virtual host based on IP address Port based virtual host 1. Install DNS domain name resolution serv...
Three different implementation methods of LVS-DR
1. Implementation of VIP and DIP in the same network segment Network topology Configuration environment Configure RIP1 of Client gateway pointing to ...
Gorang as the server, C (unity) as the client, Socket communication problems
Server datalen + message ----- > packagedata ----- > network transmission ([] byte) ---- > client ----- > unpackedata ----- > datalen +...
Firewalld firewall advanced configuration - (real world chapter!!)
Experimental topology Experimental requirement 1. Intranet users of the company need to share the Internet through the gateway server2. Internet user...
ovn implementation of container Internet access, nat, fip
Experimental topology Physical topology Logical topology 172.24.4.8 is the fip of pod 100.60.0.31. step Get ready Create logical router ovn cluster ov...