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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 ...

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 ...

Centos7 installation K8S 1. Server Three Centos7 servers need to be prepared and configured with at least 2C and 2G. All three servers have been configured with static IP. If not, please refer to: Configuring static IP for VM Ware+Centos7 host nameIPDocker versionHost configurationK8S versionmaster01192.168.159.17120.10.72C8G1.21.2wo ...

1, Introduction Docker is an open source application container engine; Is a lightweight container technology; Docker supports compiling software into an image; Then, configure various software in the image and publish the image, so that other users can directly use the image; The running image is called a container, and the container sta ...

1. Preparation docker :Docker cat /etc/redhat-release see sentOS edition uname -r View kernel version 2.docker architecture Three elements: (warehouse, image and container) docker host(Host): Installed Docker Programmed machine( Docker Directly installed on the operating system); docker client(Client): connect docker Operate the host; ...

preface In enterprises, we usually store some pictures, videos, documents and other related data in object storage. Common object storage services include Alibaba cloud OSS object storage, FastDFS distributed file system and the company's private cloud platform, so as to facilitate data storage and rapid access. However, with the rapid d ...

mysql service 1 1. Summarize the common storage engines and characteristics of mysql. show engines; View database engines supported by the database MyISAM engine features: Transaction not supportedRead and write are mutually exclusive and cannot be read or written at the same timeForeign keys are not supportedRead and write data faster an ...

1, Class notes: su - meaning and home directory meaning? When switching users, the configuration information of the user's home directory will be called / loaded. For example, if a command is configured for the user alone, only the user will recognize the command, and other users cannot. Relative path and absolute path St ...

File attribute components (8 parts in total) ll -i /etc/hosts 16778299 - rw-r--r--. 1 root root 158 6 July 2013 /etc/hosts 1)In file properties inode(index node): Inodes locate data storage locations faster==Catalogue of books 2)File type information:- Ordinary file d Catalog file l Soft link file 3)File permission settings: r read w write x E ...

1. Create a custom image 1.1 problems This case requires two methods to create a custom image. The specific requirements are as follows: Starting containers with centos imagesConfigure yum source in containerInstall software bash completion net tools iproute psmisc VIM enhancedCreate a custom image myos:latestValidate custom image 1.2 ...