Two layer load balancing architecture based on Keepalived -- configure the second layer server as lnmp environment

Article directory I. Preface Experimental thought Experimental environment 2, Configure the second tier server as lnmp environment Test lnmp environment I. Preface Experimental thought In the previous article, two active and standby mode hosts are deployed to form the first layer of load bal ...

Posted on Sat, 22 Feb 2020 07:53:54 -0500 by .-INSANE-.

Inversion of control and dependency injection in Laravel source code analysis

concept Inversion of Control (IoC) is a design principle in object-oriented programming, which can be used to reduce the coupling between computer codes. It is a programming idea, which can let us design better programs. Dependency injection (DI) is a way to realize IOC. By this way, we can transf ...

Posted on Sat, 22 Feb 2020 01:38:45 -0500 by mickwaffle

[Emlog optimization] cache file optimization speed up article publishing speed up cache speed

Today, the webmaster of preferred resources continues to share the optimization of the Emlog website. How to speed up the caching speed of the website and the publishing speed of the articles? The previous article talked about a very rough method, which is simple and effective, but this is not in lin ...

Posted on Sat, 22 Feb 2020 00:22:31 -0500 by accident

Bitcoin real-time market application practice [Swift code]

In this article, we will learn how to use websocket to develop a Swift application that can receive and display Bitcoin / Bitcoin prices in real time. Let's take a look at our final results: Bitcoin development links: Java bitcoin docking tutorial C-bitcoin docking tutorial PHP bitcoin docking tutorial Bitcoin data analysis ETL tool Bitcoin ...

Posted on Wed, 19 Feb 2020 20:53:21 -0500 by OmegaB

Building LNMP Architecture Based on centos 7

We all know that the LAMP platform is the most widely used web server architecture, of which "A" corresponds to Apache, a web service software. However, over time, more and more enterprises begin to use Nginx as a black horse, and LNMP or LEMP architecture has also been favored by more and more Lions.If you are idle, write about the ...

Posted on Wed, 19 Feb 2020 13:14:45 -0500 by gyoung

Compression and decompression command in linux

Catalog gzip gunzip Tar (pack compression) Tar (unpack) zip unzip bzip2 bunzip2 gzip explain Command name: gzip English original meaning of command: GUN zip Command path: / bin/gzip Execute permission: all users Function Description: compressed file grammar #Compressed file format.gz gzip [file] Example # Compressed file gzip /tmp/serv ...

Posted on Wed, 19 Feb 2020 08:05:43 -0500 by Zallus

The simplest windows 10 soft route

Because of credulity Lesson of firmware brush for 3 Pandora of Xiaomi router Thirty years ago, I brushed my millet router 3pro, and then I had an i5256 minicomputer, which can dial and use. but there are so many devices in my home, especially mobile notebook, which need wireless. Just as the host has wireless, I studied how to use the wireless ...

Posted on Tue, 18 Feb 2020 04:44:58 -0500 by ntohky14

ThinkPHP5.1 database operation of learning notes

data base See also Thinkphp5.1 complete development manual Learning Mirror Wang Yuyang Database connection ThinkPHP uses built-in abstract layer to encapsulate database operations, and based on PDO mode, it can adapt to various databases. The configuration file of database connection (config/database.php) sets the connection information of ...

Posted on Sun, 16 Feb 2020 08:08:09 -0500 by stewart715

Installation of centos, ubuntu, windows 2012 system -- Summary of problems

1. centos thin edition cannot be connected to the network after installation: Enter / etc / sysconfig / network scripts Modify ifcfg-ens33 Change ONBOOT to yes Then restart 2. centos modify host name 3. ubuntu source change 1> Back up the original source file source.list Open the terminal on the desk ...

Posted on Sun, 16 Feb 2020 04:53:31 -0500 by -entropyman

zufeoj

Title Link: http://acm.ocrosoft.com/problem.php?cid=1222&pid=19 Title Description Young Li Xiaoyao's aunt is ill. Wang Xiaohu introduces him to Xianling island and asks her sister for help. Rebellious but filial Li Xiaoyao broke into Xianling Island, overcame thousands of dangers and difficulties, came to the center of t ...

Posted on Sat, 15 Feb 2020 15:40:39 -0500 by steve@MRS