[CentOS7] add the third-party module echo Nginx module under the yum installation

Nginx adds echo module to print logs according to request rules in nginx Tip: all operations are completed under the root user. Premise: Nginx is already installed. If not, please install nginx first, yum install nginx -y Dependencies required to install compiled modules yum install gcc -y yum install pcre-devel openssl-devel -y Installi ...

Posted on Wed, 13 Nov 2019 13:47:41 -0500 by Pasa Mike

Song Baohua: A Complete Case of Ftrace

This article is reproduced and the copyright is owned by the author.For commercial reprinting, please contact the author for authorization. For non-commercial reprinting, please indicate the source. Author: Song Baohua Source: WeChat Public Number linux Reading Yard (id: linuxdev) Introduction to Ftrace Ftrace is one of the most effective too ...

Posted on Thu, 07 Nov 2019 13:35:03 -0500 by flaab

Development of xwindow graphics under wsl

I. connect wsl to X server No need to install the desktop, just install xterm to test: sudo apt install xterm When installing Xming in win10, it's OK by default. It's better to have Xming fonts (in the same directory). My installation is Xming-6-9-0-31-setup.exe+Xming-fonts-7-5-0-47-setup.exe Start Xming to execute xterm in wsl DISPLAY ...

Posted on Sun, 03 Nov 2019 10:16:30 -0500 by bazza84

C language of MQTT client based on mosquitto

In the process of learning MQTT, the following contents help me https://www.runoob.com/w3cnote/mqtt-intro.html is a basic introduction to MQTT Https://mosquito.org/api/files/mosquito-h.html this website records almost all the mosquito interfaces you want to know. They all have function profiles. Maybe they can't see any points. Look at the deta ...

Posted on Wed, 16 Oct 2019 06:43:44 -0400 by zoooj

Flutter: Shared Preferences Desktop Plug-in

flutter can build cross-platform multi-terminal applications. Just when the application needs a desktop version, try the legendary seamless migration. However, there was a big problem at the beginning: Shared Preferences, which is commonly used on the mobile side, is implemented on the desktop only by macOS! Although sharing_preferences: ^ 0.5 ...

Posted on Sun, 06 Oct 2019 06:04:19 -0400 by hasin

Dashboard deployment of Kubernetes addons

Dashboard is a general Web-based UI for Kubernetes clusters. It allows users to manage applications running in a cluster and troubleshoot them, as well as manage the cluster itself. ## Installation steps Decompression source package Modify configuration files Create dashboard containers Create Service ...

Posted on Fri, 04 Oct 2019 07:14:40 -0400 by sholah

Video Learning Notes of Wei Dongshan-Makefile Learning

First, the simplest Makefile test : a.o b.o gcc -o test a.o b.o a.o : a.c gcc -c -o a.o a.c b.o : b.c gcc -c -o b.o b.c To generate test dependencies a.o.b.o a.o generation depends on a.c. gcc -c -o a.o a.c b.o generation depends on b.c. gcc -c -o b.o b.c 2. Simple Makefile grammar Use Wildcards Any c file can be matched $@: Rep ...

Posted on Thu, 03 Oct 2019 04:59:29 -0400 by hypuk

Qt4.7 Application Testing

Qt4.7 application is transplanted to iTOP 4412 board. First, look at the result chart. It is divided into four parts: main window led ADC buzzer led. Each part contains a. cpp. H. ui. For resource files, you can also learn from me to make a classification. Design of Main Window mainwindow. ...

Posted on Tue, 01 Oct 2019 14:30:49 -0400 by fqservers

Point Downloader (LAN Downloader)

Environment tools: Centos 7.2, vim/gcc/g++/gdb/makefile/git Project Description: In the same LAN, users use this tool to download files they share with each other. Main process: client/server integration: 1. Set up HTTP server and separate the server from the client. 2. Host pairing, listing ...

Posted on Tue, 01 Oct 2019 03:09:46 -0400 by tail

Introduction to CMake - 01 - Start with Hello World

work environment System: macOS Mojave 10.14.6 CMake: Version 3.15.0-rc4 Start with Hello,World! (1) Create a new hello directory, create files CMakeLists.txt, main.cpp $ mkdir hello $ cd hello $ touch CMakeLists.txt main.cpp $ ll -rw-r--r-- 1 staff staff 124B 8 14 17:19 CMakeLists.txt -rw-r--r--@ 1 staff staff 145B 8 14 21:33 main.cp ...

Posted on Tue, 01 Oct 2019 02:55:33 -0400 by vargefaret