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1, Creation of docker image 1. How to create a mirror There are three ways to create an image: Based on an existing image, based on a local template, and based on a Dockerfile. 2. Create from an existing mirror (1) Start an image and modify it in the container docker run -it --name jc1 centos:7 bash #Create a container first yum instal ...

1. Learning goals and plans? 2. Learning vi, grep awk, sed and some Linux commands 1. grep: Searches for files in the specified directory and manipulates the results, suitable for simply finding matching text 1.grep after test.log > res.log: in test. Find the row with the after keyword in the log and save it in res.log 2.find-name'* ...

**Read only variable * * readonly var **Delete variable * * unset var Variable type: Local variables are defined in scripts or commands and are only valid in the current shell instance Environment variable a variable that can be accessed by all programs Shell variable is a variable specially set by the shell program Single quotatio ...

I vue front end project packaging Developing projects using vscode In the config directory of prod.env The IP address and port number of our back-end server are configured in the. JS file. Because this is in the actual deployment, the project must be deployed in the generation environment. As shown in the figure: prod.env.js Index. In the con ...

Libcurl is a function library that provides data transmission functions. Its main function is to connect different types of servers through different protocols. At present, libcurl mainly supports http, https, ftp, gopher, telnet, dict, file, ldap and other protocols and various SSL security authentication. In libcurl based programs, the librar ...

Ansible (automatic operation and maintenance tool) Automatic operation and maintenance Automatic operation and maintenance refers to the automation of a large number of repetitive daily work in operation and maintenance, and the work performed by yourself or more people is transformed into automatic operation with the help of platforms or too ...

Common commands 1. System command sync #Synchronize data from memory to hard disk shutdown -h now #Turn it off immediately reboot #restart hostnamectl set-hostname kali #Set the host name to kali 2. Directory operation cd / #Open root directory cd ~ #Open current user directory cd ./ #current directory cd .. #Return to the previous dir ...

Reprint: https://blog.csdn.net/chenxizhan1995/article/details/102990830?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-6.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-6.control Install Python 3 on CentOS. The default Python is pyt ...

WSL2 uses Docker to run ManageIQ (including Systemctl installation, script configuration agent and Docker port mapping) Use the image provided by the ManageIQ project on the Docker Hub to test the ManageIQ running in the Docker container. It solves some problems in using WSL2: starting with systemd, accessing the host windows agent in WSL2, in ...

brief introduction From the perspective of Linux architecture, the kernel system has regarded the driver as an independent sub module. Therefore, the driver module can load (insmod) and unload (remmod) when the kernel system is running. From a functional point of view, the driver module undertakes the function of mapping system function c ...