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- How to use Python Celery to dynamically add scheduled tasks
- 1. Background In actual work, there will be some time-consuming asynchronous tasks that require scheduled scheduling, such as sending emails, pulling data, and executing scheduled scripts. The main idea of implementing scheduling through celery is to introduce the middleman redis and start workers for task execution. celery- beat performs scheduled task data storage 2. Celery’s official documentation for dynamically adding scheduled tasks celery documentation: https://docs.celeryproject.org/en/latest/userguide/periodic-tasks.html#beat-custom-schedulerscelery custom scheduling class illustrate
- Python Tutorial . vim 2829 2023-05-13 15:43:06
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- How to change the image source for docker
- As Docker becomes more popular, more and more people are using it to build and deploy applications. However, when we use Docker to pull images, we often encounter slow speed problems. This is usually caused by the slow connection of the Docker image source we use in the domestic network environment. To solve this problem, we can increase the speed of pulling images by changing the Docker image source. This article will introduce how to change the image source for Docker. Step 1: Determine if the current Docker image source is changing
- Docker . vim 11041 2023-05-13 14:52:07
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- How to deploy nginx, php and virtual host in CentOS environment
- os environment: centos6.1nginx: nginx-1.2.2php:php5.3.140, install dependency package copy code as follows: yuminstallopenssl-develpcre-develzlib-devellibjpeg-devellibpng-develfreetype-develgccmake1, add www user to execute nginx copy code as follows :useradd-m-r-s/sbin/nologin-d/opt/web/www2. Create a temporary directory and copy the code as follows: mkdir-p/var/tmp/n
- Nginx . vim 846 2023-05-13 12:40:06
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- How to use linux bashrc
- In Linux, bashrc is a shell file in the home directory, used to store the user's personalized settings. The content in the bashrc file is loaded every time bash is started, and the current bash configuration and environment are customized based on the content. The functions of bashrc: 1. You can use the named function alias to customize the required instructions; 2. Set the environment path; 3. Prompt setting. 1. What is .bashrc? .bashrc is a shell file in the home directory, used to store the user's personalized settings. The content in the .bashrc file is loaded every time bash is started, and the current bash configuration and environment are customized based on the content. Supplement: .ba
- Linux Operation and Maintenance . vim 2983 2023-05-13 12:34:12
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- How to use golang
- In recent years, Golang (or Go) has become a very popular programming language. Golang is an open source programming language originally designed and developed by Google. The Go language is designed as a programming language for modern computer applications that has both the safety of static types and the flexibility of dynamic types. The Go language has evolved into a language that is reliable, efficient, fast, free, and easy to use, and therefore is favored by more and more developers. This article will introduce in detail how to use Golang. 1. Install Golan
- Golang . vim 1095 2023-05-13 09:00:37
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- How to build a server using PHP and Linux
- 1. Install and configure the Linux system. First we need to install the Linux system on the server. Common Linux operating systems include: Ubuntu, CentOS, Debian, etc. We need to understand our needs before choosing an operating system. After installation, we need to perform basic configuration of the Linux operating system. For example, install necessary software, update security patches, modify IP addresses, etc. 2. Install and configure the Apache server. The Apache server is one of the most popular web server applications. It supports PHP and is open source and has high stability. We can install Apache through the command: sudoapt-getupdatesudoapt
- Linux Operation and Maintenance . vim 1803 2023-05-12 22:34:04
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- How SpringBoot uses FTP to operate files
- Introduction: Use SpringBoot to configure the FTP server to upload, delete, and download files. Configure FTP to check whether vsftpdrpm-qa is installed | grepvsftpd Check whether vsftpd has been installed and check the version number. Install vsftpdyum-yinstallvsftpd. If an error is reported, use administrator rights to execute sudoyum-yinstallvsftpd. Turn off anonymous access. After turning off anonymous access, you can access the files inside if you want. An account and password are required; if not closed, you can access directly. vim/etc/vsftpd/vsftpd.conf If the prompt is a read-only file, then you only need to enter the command: sudovim
- javaTutorial . vim 1346 2023-05-12 19:37:04
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- How to open an account on an Android phone JavaScript
- With the rapid development of mobile application development, JavaScript, as a popular programming language, has attracted more and more attention from developers. As the most popular mobile operating system in the world, Android phones have also received more and more attention as a platform for JavaScript development. So, how to develop and run JavaScript on Android phones? The following are some basic JavaScript methods and techniques for opening an account on Android phones for your reference. 1. Install Node.jsNode.js is a kind of development
- Front-end Q&A . vim 821 2023-05-12 17:30:07
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- How to use Nginx to forward port 80 to port 8080 on Mac
- Environment macos version: 10.12.6nginx version: 1.12.1 Installation The author uses homebrew to install the library brewsearchnginxbrewinstallnginx. After installing it like this, you will find that the listening port of nginx is 8080, not 80, so at this time you need to change the listening port of nginx, then this One step is very critical and cannot be changed in the traditional way. Readers please read this part carefully. Since macos comes with its own apache service, it occupies port 80. First, you need to change the listening port of apache to another one or uninstall it directly. The author changed its listening port to 8011. Command Line
- Nginx . vim 2097 2023-05-11 21:49:16
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- Analysis of Nginx installation examples under CentOS
- Installation environment: linux server centos7.3, root permission 1, installtheprerequisites:sudoyuminstallyum-utils2, tosetuptheyumrepository, createthefilenamed/etc/yum.repos.d/nginx.repowiththefollowingcontents: (note to replace the os version: $releasever, if the centos version is 7, Replace it with 7) command: use vim to edit the nginx.repo file vim/etc/yum.re
- Nginx . vim 1102 2023-05-11 20:28:11
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- How to install multiple versions of PHP for Nginx under Linux system
- Linux version: 64-bit centos6.4nginx version: nginx1.8.0php version: php5.5.28&php5.4.44 Note that if php5.5 is the main version and has been installed in the /usr/local/php directory, then install other versions of php again Just specify a different installation directory. Install php#wgethttp://cn2.php.net/get/php-5.4.44.tar.gz/from/this/mirror#tarzxvfphp-5.4.44.tar.gz#cdphp-5.4.44#./configure --pr
- Nginx . vim 1764 2023-05-11 19:34:04
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- How to configure nginx+rsync+inotify to achieve load balancing
- Experimental environment front-end nginx: ip192.168.6.242, reverse proxy for the back-end wordpress website to achieve complex balance Back-end nginx: ip192.168.6.36, 192.168.6.205 all deploy wordpress, and use the same database 1. In the back-end Configure rsync+inotify on the two WordPress servers. Both servers enable the rsync service and synchronize data to each other through inotify. Configure the server 192.168.6.205 below: vim/etc/rsyncd.confuid=nginxgid=nginxport=873ho
- Nginx . vim 1983 2023-05-11 15:37:06
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- golang installation and testing
- In recent years, Golang (or Go language) has been hailed as a new generation of efficient programming language. It has the advantages of high concurrency, excellent memory management, fast compilation speed, and easy to learn and use. Therefore, more and more developers are beginning to pay attention to and use Golang. This article aims to provide you with an installation and testing guide for Golang, hoping to be helpful to Golang beginners. 1. Environment preparation Before starting, you need to confirm whether the following environment is fully prepared: 1. Operating system: Windows, Mac or Linux, etc. 2. Number of system digits:
- Golang . vim 645 2023-05-10 22:35:07
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- golang 1.83 source code installation
- Golang 1.8.3 is a version of the Go language and a stable version. This version has certain improvements in performance, syntax, security, etc. Therefore, many people choose to use Golang 1.8.3 for development. In this article, we will briefly introduce how to install the source code of Golang 1.8.3. The following are the detailed steps: 1. First, we need to download the source code of Golang 1.8.3. Go to the official website (https://golang.org/dl/) to download the source code. Choose suitable
- Golang . vim 616 2023-05-10 10:47:08
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- Install golang on Apple system
- In recent years, Golang has become a very popular programming language among developers. Due to its excellent performance and easy maintenance, it is increasingly favored by developers and enterprises. When developing with Golang, it is especially important to be able to install and use this programming language on a Mac system. This article will introduce how to successfully install Golang on Apple systems. 1. Download the installation package First, we download the Golang installation package suitable for Mac system from the Golang official website. Official website address: https://
- Golang . vim 816 2023-05-09 21:04:37
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