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Get ready vm virtual machines (you can also use virtual machines that have a system on wind10)FinalShell Homemade Remote Toolsredis-6.2.4centOs 7 System premise Install vm virtual machineFinalShell installedCreate virtual machines for three centOs 7 systems on vm Explain Creating three centOs7 virtual machines in the vm to install redi ...

Introduction to file system (FS) File system composition ① File system interface ② Software collection for object management ③ Object and attribute File system role From the perspective of system, file system is a system that organizes and allocates the space of file storage device, is responsible for file storage, and protects and retri ...

System Administration Troubleshooting Running out of Memory Ram: the data being used, such as 2 + 2 = 4, the 2 + 2 process is stored in RAM SWAP: a 100g hard disk, express 4G, is sent out to SWAP. It can be used when there is not enough Memory. Its function is the same as that of stand by Cache: the cache is used in conjunction with the CPU. ...

You need to start docker before you can use it. Here are some possible commands to start docker: Docker startup, shutdown, pause, etc. (if the startup self startup is set, there is no need to start docker first) sudo systemctl start docker#Start docker sudo systemctl enable docker#Set startup sudo systemctl stop docker#Pause docker sudo system ...

1, docker network mode 1. Virtual gateway of docker container (1)loopback Is the loopback network card and TCP/IP network card effective (2)virtual bridge linux itself inherits a virtualization function (kvm Architecture) and is a virtualization platform of the native architecture. After installing a virtualization platform, the system ...

Dockerfile operation instructions instructionsMeaningFROM MirrorSpecifies the mirror on which the new image is based. The first instruction must be the FROM instruction, which is required for each image createdMAINTAINER NameMaintainer information describing the mirrorRUN commandExecute commands on the mirror on which they are based and su ...

docker three elements Mirroring: templates for containers Container: a runtime state of an application environment Warehouse: used to store images How to create a mirror Create based on an existing image Create based on local template Create based on Dockerfile What are the components of a mirror 1. Basic image --------- centos 2. Depe ...

Linux journey 19: startup process, module management and loader Source: pexels Linux startup process analysis Start up process list Generally, the startup process of the operating system can be divided into the following steps: Load BIOS to get hardware information and perform self-test, so that you can get the first bootable device.Read ...

Optimize Ngxin for increased security and high concurrency By optimizing Nginx settings, Nginx enhances security while supporting more concurrent requestsTune Nginx's host Linux kernel parameters to make them more compliant with Web servers that support high concurrent access Nginx configuration optimization Edit nginx.conf configuration fil ...

1. Deploy server-side and agent-side 1. Preparing for the experiment centos7.4 system servers, one serves as a monitoring server and one serves as a monitored node. The yum source, firewall shutdown, clock service synchronization of each node, and communication between nodes can be done through the host name. 1) All machines turn off fire ...