Saltstack deploys keepalived to achieve high availability of haproxy

Saltstack deploys keepalived to achieve high availability of haproxy Illustration: Environmental Science: Server1(salt-master,keepalived-backup,haproxy)172.25.254.1 Server2(salt-minion,keepalived-master,haproxy)172.25.254.2 Server3(salt-minion,RS,httpd)172.25.254.3 Server4(salt-minion,RS,httpd ...

Posted by avo on Sat, 12 Oct 2019 08:53:54 -0700

Technology Sharing | InnoDB Table Space Encryption

Author: Qin Pei Contents of this article: Summary of Table Space Encryption Response Scene Encryption plug-in Encryption restrictions Matters needing attention 2. Encrypted Table Space Install encryption plug-ins Configuration table space encryption View Encrypted Tables in Table Space 3. Update master encryption key IV. Derivation of Guid ...

Posted by khanuja.sunpreet on Wed, 09 Oct 2019 23:32:25 -0700

linux System nginx Server Replacement Aliyun Certificate

A blank page. Visits to webpages are also prompts. Skip the prompt to continue visiting, the page is normal. So it's not the system that went wrong. The certificate has expired. Chief, give me a certificate and compress the package. It's this after decompression. So where should I put this? Do ...

Posted by wei on Sun, 06 Oct 2019 08:39:22 -0700

Asynchronous redis of Swoole learning

I. Asynchronous redis service installation Swoole Official Documents Guide - > Quick Start - > Asynchronous Redis client 1. swoole uses asynchronous redis preconditions redis services hiredis library (X) Compiling swoole requires adding -- enable-async-redis (X) Note: If your version of swoole is over 4.3, you only need to install redi ...

Posted by will35010 on Mon, 30 Sep 2019 21:34:28 -0700

Linux Centos 7 - Redis Offline Installation

Install Redis in a disconnected environment. 1. Reference Articles Ali Cloud Mirror centos7 rpm package download address http://mirrors.aliyun.com/centos/7/os/x86_64/Packages/ Redis download address http://download.redis.io/releases/ https://blog.csdn.net/u010177412/article/details/81780844 https://www.cnblogs.com/yy3b2007com/p/1 ...

Posted by cmancone on Tue, 24 Sep 2019 09:58:43 -0700

Using transaction and accessing Alipay payment function in django

I have always wanted to record the transactions used in the project and the payment function of Alipay. I have been lazy all the time. I will take a look at this while I am a bit interested today. The essential function of the mall project is to pay the order, so it will involve the preservation of the order and the introduction of the payment ...

Posted by trauch on Fri, 06 Sep 2019 21:05:09 -0700

Mysql uses SSL connections

Recently, SSL connection has been used in the project. Record that the environment is Windows 10 and Mysql version is 5.6. See if SSL is supported First, execute the following command on MySQL to query whether MySQL supports SSL: mysql> SHOW VARIABLES LIKE 'have_ssl'; +---------------+-------+ | Variable_name | Value | +---------------+----- ...

Posted by ghornet on Mon, 26 Aug 2019 06:41:38 -0700

Noejs-md5 salt-to-decryption comparison

Noejs-crypto Encryption Tool crypto module provides encryption functions, including a package of hashing, MD5, HMAC, encryption, decryption, signature, and verification functions of OpenSSL. MD5 commonly used in crypto MD5 is an irreversible encryption algorithm. At present, it is one of the most reliable encryption algorithms. There is no prog ...

Posted by kh411dz on Wed, 24 Jul 2019 03:32:43 -0700

Using jsencrypt to implement front-end encryption of parameters

For login function in a project, parameters are usually submitted to the server through form form or ajax for validation. In this process, if the login password is encrypted once in the front end, the security is better than that of direct submission.Recently, when I read the login page of the blog park, I found that the login of the blog park ...

Posted by Izzy1979 on Wed, 10 Jul 2019 10:16:39 -0700

Installation of linux PHP environment

Nginx installation nginx relies on three modules, zlib pcre ssl, which should be installed before installation and ignored if installed Installation by source code: These three extensions do not need to specify the installation directory, they are all installed by default in the / usr/local directory. The first step is to download the sour ...

Posted by riddhi on Sun, 07 Jul 2019 19:51:05 -0700