Programmer Group

preface Powerful functions in nginx, such as rewrite and proxy_pass is inseparable from his matching rules. Understand nginx and learn advanced nginx usage. You must know all kinds of matching priorities and matching syntax 1, nginx location 1. Syntax rules and priorities location [=|~|~*|!~|!~*|^~] /uri/ { ... } = ...

2.7.11 script security and set set command: can be used to customize the shell environment $- variable h: hashall, after the option is turned on, the Shell will hash the path where the command is located to avoid querying every time. Turn off the H option through set +h i: Interactive comments, including this option, indicates that the curre ...

Application scenario Recently, there is a requirement that after the server executes an instruction, it needs to back up the generated data to windows. It's not easy to check on the Internet. Some need to write a script to run in windows, but this application does not need windows operation. Instead, it monitors the operation of the server and ...

preface The content of this section is to explain how to execute the command line of Linux, including basic knowledge such as command interpreter, shell configuration, alias, environment variables, etc. 1.Shell introduction Shell is the middle bridge between the kernel and users. In fact, it is the interpreter to interpret commands. ...

1. Fundamentals of programming Linus: Talk is cheap, show me the code 1.1 procedure composition Program: algorithm + data structureData: is the core of the programData structure: the type and organization of data in a computerAlgorithm: how to process data 1.2 programming style Process oriented language To do one thing, arrange two st ...

1. Introduction to keepalived Keepalived software was originally designed for LVS load balancing software to manage and monitor the status of each service node in LVS cluster system. Later, it added VRRP function that can realize high availability. Therefore, in addition to managing LVS software, keepalived can also be used as high availab ...

1, Overview of network programming Network: Address (including IP address and port number)Data exchange (involving protocols such as http, tcp and UDP, in other words, data format)MCU will use port number protocol (uart) Introduction to network programming all talk about sockets (sockets are divided into two types: tcp and UDP): TCP: connec ...

KVM deployment Introduction to virtualization Virtualization is the foundation of cloud computing. In short, virtualization enables multiple virtual machines to run on a physical server. Virtual machines share CPU, memory and IO hardware resources of physical machines, but logically, virtual machines are isolated from each other. The phy ...

1, / proc file system The / proc virtual file system provides convenience for accessing kernel information. The file system resides in the / proc directory, contains various files used to display kernel information, and allows processes to easily read and sometimes modify these information through regular file I/O system calls. The reason why ...

GPU queuing script python script GPU queuing script ---- once the GPU is idle, the script execution program is triggered reference resources:   GPU queuing script (python script) cmd = 'bash run.sh' this sentence sets the python script to execute import os import sys import time cmd = 'bash run.sh' #Set script to run def gpu_info(): ...