Programmer Think

title: Amazon AWS Kinesis Video Streams with WebRTC demo examplecategories:[Linux C]tags: [Amazon cloud platform]date: 2021/12/22< div align = 'right' > Author: Hackett < / div ><div align ='right'> WeChat official account: overtime apes </div>The following step-by-step instructions describe how to download, build, and r ...

Linux kernel read / write file Read and write file data in the driver to be debugged. For example, when the driver needs to record more logs, you can write the information printed by printk() function to the file for subsequent analysis. There is no standard library available for operating files in the kernel. Some kernel functions need to be ...

Load balancing is divided into four layers of load balancing and seven layers of load balancing The so-called four layer load balancing refers to the transport layer in the OSI reference model, which is mainly based on ip + port load balancing Realize four layer load balancing: Hardware: F5,BIG-IP,EADWARE Software: lvs,nginx,hayproxy The so-c ...

1. Signal registration function - advanced version Function prototype of sigaction: #include <signal.h> int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact); struct sigaction { void (*sa_handler)(int); //Signal processor, no additional data, SIG_IGN is ignored, SIG_DFL is the default action vo ...

Shell overview Getting started with Shell scripts 1. Script format 2. Create a Shell script: HelloWorld tdx96@ubuntu:~/datas$ touch hellworld.sh tdx96@ubuntu:~/datas$ vim hellworld.sh Input: #!/bin/bash echo "helloworld today" Execution: tdx96@ubuntu:~/datas$ sh hellworld.sh helloworld today perhaps tdx96@ubuntu:~/datas$ bash h ...

Recently, a puppeter service was used in the project to take a screenshot. The front-end service should be packaged into the docker image First, I use node as the initial image and print the front-end code into the image. The final image will report an error when running the screenshot, saying that it is missing: libx11 xcb so. 1. There should ...

prefaceAfter translating the official documents of TypeScript, I used VuePress to build a blog and realized the automatic deployment of GitHub and Gitee Pages, but I finally decided to build my own website. In the process of building the website, linux commands are indispensable. Therefore, this article writes a basically sufficient Linux comma ...

* Static inner class. be used for hash Operation! */ public static class SimpleHash { private int cap; private int seed; public SimpleHash(int cap, int seed) { this.cap = cap; this.seed = seed; } /** * Calculate hash value */ public int hash(Object value) { int h; return (value == null) ? 0 : Math.abs(seed * (c ...

1.ansible management mode Ad-Hoc ##Use the ansible command to directly complete the management, which is mainly used in the use scenario of temporary commands playbook ##ansible script is mainly used for large-scale project scenarios and requires early planning 2. How to get help in ad hoc execution mode ansible-doc ##Instructions for disp ...

This article mainly talks about building a log collection and analysis system. For how to deploy ELK using docker, please refer to my previous article https://blog.csdn.net/qq_36534560/article/details/119954728 Log collection system brief introduction Integrate the application with SpringBoot, and then extend to ELK technology stack to rea ...