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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 ...

preface Students who have read UNIX network programming know that this book introduces all aspects of sockets in detail, and gives each structure Implementation code file of system API. However, with the continuous development of technology, the kernel of the operating system is constantly updated. The book describes the relevant address struc ...

(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 ...

ping module ping is a common module to test whether the SSH connection of the remote node is ready. However, it is not as simple as the Linux command to ping the remote node. Instead, first check whether the remote node can log in through SSH, and then check whether its Python version meets the requirements. If it meets the requirements, it wil ...

OpenStack deployment 1, Environmental preparation 1. Network environment hostIPcontroller10.0.0.51compute110.0.0.61 Modify hosts file cat /etc/hosts 10.0.0.51 controller 10.0.0.61 compute1 Close selinux and firewalld cat env_set.sh #!/bin/bash systemctl stop firewalld systemctl disable firewalld setenforce 0 sed -i 's/SELINUX=enforci ...

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- ...

YUM(yellow dog updater modified) 1. Software update mechanism based on RPM package 2. Dependency can be solved automatically 3. All software packages are provided by the centralized YUM software warehouse Prepare for installation How to provide software warehouse 1. FTP service: FTP: / / 2. HTTP service: http: / / 3. Local directory: ...

Source code analysis of Sylar server framework log module Overall design of log library module It is used to format the output program log, which is convenient to locate the problems in the running process of the program from the log. In addition to the log content itself, the log here should also include additional information such as ...

JavaWeb (crazy God says Java) Java Web 1. Basic concepts 1.1 Preface web development: Web is the meaning of web page development, which means that we can get resources from the web page www.baidu.com com Static web html css The data provided to everyone will never change Dynamic web Taobao, almost all websites are dynamic ...

Write in front Please read it first https://blog.csdn.net/qq_46640863/article/details/122684580 Compile the linux kernel. 1, Design content and specific requirements New Linux driver Add a driver (using memory to simulate the device) and use module compilation. requirement: (1) New drivers can be loaded and unloaded dynamically. (2) Use t ...