Installing keepalived in Linux binary

Deployment of keepalivedkeepalived is used in many highly available clusters. Generally, nginx, ipvs and haproxy are placed in the front end For example, when we use rabbitmq, we make such a cluster. If we make a cluster generally, we need such a highly available load balancer to distribute traffic. If we use haproxy, For example, if a rebbitm ...

Posted on Thu, 27 Feb 2020 06:20:27 -0500 by kind

Ffmpeg video filter fat test process introduction

Fat (FFmpeg automated testing environment) is an automated testing framework developed by FFmpeg community. It supports the testing of FFmpeg API and FFmpeg internal functions. The test of FFmpeg video filter belongs to the test of API. In order to add a fast test to a video filter, I have studied it fo ...

Posted on Sun, 23 Feb 2020 02:31:10 -0500 by eugene2008

Adore ng trojan in Rootkit

Rootkit is a kind of special malicious software. Its function is to hide the information of itself and specified files, processes and network links on the installation target. What is more common is that rootkit is generally used in combination with Trojans, backdoors and other malicious programs. In ou ...

Posted on Thu, 13 Feb 2020 00:15:54 -0500 by dreamlove

Linux driver easy to learn notes

PC operating system: Ubuntu 16.04 LTS Compiler: arm poky Linux gnueabi GCC 4.9.1 Based on the i.mx6 platform, the Linux driver module has been modified for some time, in which a lot of information is checked intermittently, and it feels that the knowledge is not so coherent, so it's time to start from t ...

Posted on Tue, 11 Feb 2020 05:10:49 -0500 by crislewis

QT XML related QXmlStreamReader, QXmlStreamWriter read and write operations

1, Basic introduction 1 the old version of Qt provides two ways to access XML files: DOM and SAX. DOM mode: convert XML document into tree structure and store it in memory, and then read it, which consumes more memory. In addition, because documents have been stored in memory, it is more convenient ...

Posted on Tue, 04 Feb 2020 09:12:21 -0500 by pl_harish

S3C2440 - bare metal chapter - 03 | use of GPIO (lighting LED, key detection)

Experiment 1 - lighting an LED 1. Check the schematic diagram to determine how the hardware is connected The schematic diagram shows the hardware circuit of chip controlling LED and how the pin of chip connects with LED. 2. Check the main chip manual to determine how to control the pin Specific: ...

Posted on Wed, 29 Jan 2020 00:40:56 -0500 by thomashw

Fatal error encountered during linux Installation of redis: stdlib. H: no such file or directory

My virtual machine system is Ubuntu 18, to install redis 5.0.7 This article records the twists and turns of installing redis Problem description You have downloaded redis on the official website and unzip it wget http://download.redis.io/redis-5.0.7.tar.gz tar xvzf redis-5.0.7.tar.gz cd redis-5.0.7 su ...

Posted on Mon, 27 Jan 2020 11:00:39 -0500 by daftdog

Implementation of FTP client upload and download module with C language

FTP client upload and download module 1. Functions realized: a. Upload local file to FTP server b. Download files from ftp server to client c. Upload the folder (subfolder upload is not supported) to the tfp server, create a new directory and delete the directory 2. Compilation platform: Linux (none) 4. ...

Posted on Mon, 20 Jan 2020 09:20:07 -0500 by joshmaker

Transplantation of Openwrt1806 on Quanzhi H3 (Ginkgo biloba icore5)

Written in the front H3 has many development boards for reference, mainly including nanopi, orange PI, etc. most of these development boards support debian systems. For the purpose of learning, they want to run an openwrt. Openwrt18.06 has supported many boards of Quanzhi. Here we mainly refer to nanopi-m1-plus Configuration and principle of op ...

Posted on Fri, 17 Jan 2020 05:46:32 -0500 by AffApprentice

C + + implementation of solar system planetary system

Basic frame design I. Introduction This experiment will use OpenGL GLUT to write a simple solar system operation system. Knowledge points involved in the experiment Fundamentals of C + + language Basic Makefile Basic OOP programming ideas Basic use of OpenGL GLUT structure Experimental rende ...

Posted on Fri, 17 Jan 2020 03:48:05 -0500 by xengvang