Operation and maintenance

Docker image, container, Dockerfile common command filtering summary

Hits: 1Article directory 1. Image command view all images * pull an image * delete the specified image * run image * Import and export of images and local files 2. Container command show running docker * restart the container * Stop running the container * delete container * Local content and docker container content …

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[Solved] wordpress Your PHP does not appear to have installed the MySQL extension necessary to run WordPress

Hits: 0Install [wordpress] today , set up the lamp environment according to the tutorial, after the host accesses the IP address, it prompts: Your PHP does not seem to be installed The MySQL extension necessary to run WordPress , the solutions found online are all outrageous ways of copying and pasting. There are generally two …

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[pandas] Delete the row where the element that meets the condition is located

Hits: 0 During data cleaning, some data samples need to be deleted according to certain conditions, dropwhich can be achieved by using Boolean expressions, indexes and methods. 1.[pandas].drop() df = df.drop(df[<some boolean condition>].index) An example, delete xthe rows that satisfy the condition in the dataframe: df_clear = df.drop(df[df[ 'x' ]< 0.01 ].index) # Multiple conditions …

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Summary of front-end technology development trends in 2022

Hits: 0Front-end bottle gentleman, pay attention to the public number Reply algorithm, join the front-end programming interview algorithm daily question group “The general trend of the world is vast, and those who follow it will prosper, and those who go against it will perish.” The following is a summary of the 2021 summary of the …

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SQL Server download and installation tutorial and JDK configuration (super detailed for novices)

Hits: 0SQL is the abbreviation of English Structured Query Language, which means Structured Query Language. The main function of the SQL language is to establish connections and communicate with various databases. According to ANSI (American National Standards Institute), SQL is used as the standard language for relational database management systems. SQL Server is a relational …

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Send emails using curl

Hits: 0Overview This article explains how to implement the mail sending function through [curl] . Through this function, some configuration information can be automatically sent to the specified mailbox to meet the requirements of automatic operation and maintenance. Test sending mailbox: sina Test receiving mailbox: qq Script instance curl_send_mail.bat @echo off rem uses curl to …

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How to Switch Multiple PHP Versions in Ubuntu

Hits: 0Sometimes, the latest version of the installation package may not work as expected. Your program may not be compatible with newer packages and only support specific legacy packages. In this case, you can immediately downgrade the problematic package to its earlier working version. See our older guides [on] how to downgrade packages in [Ubuntu] …

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Docker+jinkens realizes automatic deployment

Hits: 0Article directory foreword install docker docker install jinkens Install access unlock jinkens Install the plugin Create a new user Configure Environment Tools Install the plugin Jenkins implements automatic deployment of Springboot projects Build the project docker common commands foreword The construction of jinkens I have seen a lot of native constructions. For me, a …

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centos7 quickly install rabbitmq server

Hits: 0Install Terminal input: yum install rabbitmq-server Enable admin site Terminal input: rabbitmq-plugins enable rabbitmq_management start [rabbitmq] server Terminal input: service rabbitmq-server start Note: You must enable rabbitmq_managementand then start the rabbitmq server before you can access the website. Check the running status: service rabbitmq-server status Visit the admin site http://:15672 The default username and …

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