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FastDFS fastDFS is an open source lightweight distributed file system, which can manage files. Its functions include: file storeAutomatic file synchronizationFile access (file upload and download, etc.) It solves the problem of mass storage and load balancing, and is especially suitable for online services based on files, such as photo album ...

Installation and configuration of Monstache monstache is a go daemon that can synchronize MongoDB data to Elasticsearch in real time. preparation Ready for mongodb4 4.6 replica set environment The Elasticsearch 7 environment is ready github source code address of monstache: https://github.com/rwynn/monstache monstachemongodbelashticsearch53 ...

Next section https://blog.csdn.net/weixin_45730790/article/details/122521234 In order to simulate multitasking concurrent access to shared linked lists in the kernel, we need to complete the following tasks. First, we need to establish a shared list in the kernel and use the spin lock structure to protect its accessSeveral kernel threads are ...

technological process A classic flow chart dtc compiled commands make dtbs dtsi: an SOC may have different boards / machines, refining common parts or common parts of multiple machines into dtsi (common refinement), the difference part is put in dts, then The corresponding of include in dts dtsi file is enough. If there are different ...

struct zone It can be seen from the three memory models of linux that the linux kernel divides the physical memory into different ZONE areas according to the actual use. ZONE management occupies an important position in the physical memory. The corresponding structure in the kernel is struct zone. In version 5.8.10, the structure is as follows ...

1, RAID introduction RAID(Redundant Array of Independent Disk) technology was proposed by the University of California, Berkeley in 1987. It was originally developed to combine small cheap disks to replace large expensive disks, and hope that the access to data will not be lost when the disk fails. RAID is a redundant array composed of multipl ...

Install docker yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo yum install docker-ce docker-ce-cli -y systemctl start docker systemctl enable docker Install docker compose Download address https://github.com/docker/compose/releases/ wget https://github.com/docker/compose/releases/download/1.29.2/d ...

Install Docker Uninstall older Docker sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine Installation depend ...

Most of the nginx installation guides tell you the following Basics - install through apt get, modify a few lines of configuration here or there, and well, you already have a Web server! Moreover, in most cases, a regular installation of nginx already works well for your website. However, if you really want to squeeze out the performance of ngi ...

Linux driver 1. Classification of linux drivers Character driven device: the transmission process of IO is based on characters without buffer. For example, I2C and SPI are character devices Block device driver: the transmission process of IO is in blocks. Root storage is related to block devices, such as tf cards Network device driver: acc ...