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In the High Availability cluster environment, it is generally necessary to use floating IP to achieve high web availability. For the concept of floating IP and why floating IP is needed, please refer to: Floating IP (FLOAT IP) This article mainly talks about the actual operation steps: It can be dual computer or multi computer. The main serv ...

I recommend a free open course for the zero acoustics academy. I think the teacher has done a good job. Share it with you: Linux, Nginx, ZeroMQ, MySQL, Redis, fastdfs, MongoDB, ZK, streaming media, CDN, P2P, K8S, Docker, TCP/IP, protocol, DPDK and other technical content, learn now 2 IM Logon Server and Message Server Design 1. Communication ...

Git version control (code management) system 1, Deploy Git 1. Basic environment yum install git yum install dh-autoreconf curl-devel expat-devel gettext-devel openssl-devel perl-devel zlib-devel yum install asciidoc xmlto docbook2X Unzip, compile and install tar -xf git-2.9.5.tar.xz -C /usr/local cd /usr/locat/git-2.9.5 make &am ...

(transferred) author: running script for reference Link: https://www.jianshu.com/p/662293f12a47 Take notes and review them when necessary Unlike windows, linux has a recycle bin. Basically, files cannot be found using rm -rf *. So here comes the question...: For files deleted by mistake under linux, can we really recover them through softwar ...

In Debian 10 Steps to deploy mysql on 0 1. Use the wget command to download the MySQL version you need. Here, use 0.8.13-1_all for Demo: wget http://repo.mysql.com/mysql-apt-config_0.8.15-1_all.deb . 2. After downloading, install the mysql distribution package with the w user with sudo permission: sudo apt install ./mysql-apt-config_0.8.15- ...

Make a semi-automatic deployment system today (install CentOS7 with CentOS8 as the service platform) Prepare in advance to boot Files with ISO suffix or files with NEtinstall suffix. If you want to deploy the system automatically, you need to use the response file, which is the document of the operation steps when installing the system. You c ...

1, shell variables and other related introduction 1. Compiled language and interpreted language Compiled language: compiled language is written before program execution. It needs a special compilation process to compile the program into machine language. For example, the exe format package of Windows. Interpretive language: interpretive la ...

1. Why upgrade nginx smoothly As nginx becomes more and more popular, and the advantages of nginx become more and more obvious, the version iteration of nginx also comes to the acceleration mode. Version 1.9.0 of nginx updates many new functions, such as the four-tier agent function of stream. With the wide application of nginx, the version up ...

Fundamentals of shell programming (shell script learning notes) operator Operators in Shell mainly include comparison operator (for integer comparison), string operator (for string test), file operation operator (for file test), logical operator, arithmetic operator, bit operator, self increasing and self decreasing operator, etc. 1. A ...

Here we recommend a free and convenient mall project: Source code through train > > > Under Linux, we often need to view the hardware information of the system. Here I list the practical commands for viewing the hardware information of the system, classify them and explain them with examples. Execution environment: ubuntu 16.04 1. c ...