Remote Access Control in Centos 7.4

Bowen catalog1. SSH Remote Management2. Use SSH client program3. Construct SH system for key pair verification 1. SSH Remote Management SSH is a secure channel protocol, which mainly implements the functions of remote login and remote copy of character interface.The SSH protocol encrypts the data transmission of both sides of the communicati ...

Posted on Tue, 12 Nov 2019 16:00:33 -0500 by FRSH

Apache Anti-theft Chain Optimized for Web Pages

Apache Optimized Anti-theft Chain Anti-theft chains are meant to prevent other people from stealing server pictures from inside their website code, files, videos and other related resourcesIf someone else steals these static resources from the website, it is obvious that they will increase their clothingBandwidth pressure of serverSo as a webs ...

Posted on Mon, 11 Nov 2019 21:14:14 -0500 by sys4dm1n

How to control the motor of LEGO Wedo 2.0 with Python

Lego's official programming tools are all graphical. This article shares how to use Python to connect and control the Bluetooth master device and motor provided in LEGO Wedo 2.0. learning resource There are two useful articles on the Internet: Controlling a WeDo 2.0 motor WeDo 2.0 – reverse engineering Use pygattlib It can communicate with Bl ...

Posted on Mon, 11 Nov 2019 18:38:01 -0500 by napa169

Prometheus+Node_exporter+Grafana+Alertmanager Monitoring Deployment

1. Prometheus Installation and Configuration 1. Download and unzip the installation package cd /usr/local/src/ export VER="2.13.1" wget https://github.com/prometheus/prometheus/releases/download/v${VER}/prometheus-${VER}.linux-amd64.tar.gz mkdir -p /data0/prometheus groupadd prometheus useradd -g prometheus prometheus -d /data0/prometheus ...

Posted on Mon, 11 Nov 2019 18:19:26 -0500 by dirty_n4ppy

Multi virtual host based on PORT, ip and host header

Experiment: PORT Based Multi virtual host 1. Create 3 different website file root directories mkdir /data/site{1,2,3}echo 'www.a.com' > /data/site1/index.htmlecho 'www.b.com' > /data/site2/index.htmlecho 'www.c.com' > /data/site3/index.html![] 2. Modify or create a. Conf ending file in the conf.d directory, and add the following param ...

Posted on Mon, 11 Nov 2019 16:48:48 -0500 by fazbob

Install nexus as pip warehouse

brief introduction Introduction to nexus warehouse Hosted: private warehouse, specially used to store jar files generated by ourselvesProxy: public warehousegroup: Warehouse group maven warehouse Releases: official release of local projectSnapshots: snapshot warehouse of the local project Central: central warehouse Install JDK jdk1.8 is r ...

Posted on Mon, 11 Nov 2019 11:10:17 -0500 by JakeTheSnake3.0

java version of e-commerce spring cloud distributed micro service b2b2c social e-commerce service registration (consumer)

Spring cloud B2B2C e-commerce social platform source code Please add Penguin: 103874626. This article focuses on the spring cloud consumer component, which is a tool to provide service discovery and configuration. Consumer is distributed, highly available and highly scalable. I. about consumer Consumer has the following properties: Service ...

Posted on Mon, 11 Nov 2019 10:18:24 -0500 by BPWheeler

Socket programming 14: socket programming to realize echo client

The so-called "echo" refers to that the client sends a piece of data to the server, and the server returns the data to the client as is, just like the sound, when encountering obstacles, it will be "bounced back". Yes! The client can also use the write() / send() function to send data to the server, and the ...

Posted on Mon, 11 Nov 2019 09:43:38 -0500 by killsite

Go is fun, 5.20 make a diagram with go / let the words dance

Today, I'd like to introduce an interesting codeThe picture is generated into a pattern of text. Have you seen the GIF of dancing sister composed of those words in station B? With this code you can do it yourself. GIF, I'm too lazy to do it. As a back-end programmer, I'm not very patient with frame by frame screenshots. You can see the effect o ...

Posted on Sun, 10 Nov 2019 11:26:31 -0500 by digitalecartoons

Go project on github uses Travis CI and Docker Hub to achieve continuous integration

introduce In this article, we will show you how to create a simple continuous integration process using Github, Travis Ci, and Docker Hub. project One of the projects used this time is a crawler program written by myself( https://github.com/Han-Ya-Jun... Project directory news_watch_notice ├── cmd //main ├── conf ├── dis ├── Dockerfile ├── ...

Posted on Sun, 10 Nov 2019 10:44:36 -0500 by atzi