Programmer Group

Premise: pc host, MBR architecture Step 1: post (power on system test) power on self test. There is a rom chip (CMOS) on the main board of the pc. after power up, the cpu looks for the raw, reads the instructions inside, and checks whether there is memory, hard disk, display device, etc. on the machine. There is a bios (basic input output sys ...

1, About Harbor 1. Introduction to harbor Harbor is an enterprise level Registry server for storing and distributing Docker images. It extends open source Docker Distribution by adding some necessary enterprise features, such as security, identity and management. As an enterprise private Registry server, harbor provides better performance and ...

Blog Outline:1, Overview of Kafka1) Message queuing2) Why use message queuing?3) What is Kafka?4) Characteristics of Kafka5) Kafka architecture6) Difference between Topic and Partition7) kafka flow chart8) Kafka's file storage mechanism9) Data reliability and persistence assurance10) leader election2, Deploy single Kafka1) Deploy Kafka2) Test ...

Article directory mdadm introduction Parameters of the mdadm command Actual combat raid 0 Two new hard disks Create raid0 Save configuration information Create partition on raid 0 Format partition and mount Set up auto mount after power on mdadm introduction Management software raid tool: mdad ...

Blog Outline:1, MQ introduction2, What is RabbitMQ?3, Installing RabbitMQ4, Deploy Rabbitmq cluster1) Deployment environment2) Install rabbitmq service3) Configure the host file and add the above two nodes to the cluster4) rabbitmq01 configure the cluster and add rabbitmq02 and 03 to the 01 cluster5) Accessing the web interface6) Add vhost to ...

1. Details of docker common commands 1.1 docker info Containers: 3 Number of containers Running: 2 Number of containers running Paused: 0 Suspended docker Number Stopped: 1 Stopped docker Number Images: 15 Mirror number Server Version: 17.03.3-ce docker Edition Storage Driver: overlay Storage drive ...

1. Self built yum warehouse, network source and local source respectively Steps to create yum warehouse: 1) mount Centos system CD to a directory or copy network resources to a directory 2) find the repodata directory, which is located in the upper directory of yum warehouse address (network sharing is required if creating a network warehouse ...

Catalog Check and delete the original yum source Download the yum source for CentOS Install RPM package yum configuration Modify yum configuration Clean up and rebuild cache Because red hat's Yum needs to be charged and registered before it can be used. So I want to update the yum source to ...

Article directory Basic concepts of Docker Docker installation Frequently used commands Container operation example Docker mirror image Docker container data volume Dockerfile Dockerfile architecture (reserved word instruction) Example of Docker installing mysql Push the local image to alicloud ...

rpm can realize fast and simple installation of programs (compared with compilation and installation), but rpm can't solve dependency by itself, so many tools come into being to solve dependency automatically, among which yum is one of them. yum solution to dependency: There must be a file server where all the rpm packages and the package rel ...