[Linux] Understanding the file system – soft and hard links
First, understand the disk The disk is the main storage medium of the computer, it...
Linux permissions understanding and learning
?Foreword Permissions are an indispensable part of life, such as the access control system of...
Linux development tools (1) – vim tool
1. what is vim 1.1 What is vim Vim adopts the concept of mode editing,...
Windows server – deploy DHCP service
Foreword This chapter mainly introduces how to use DHCP technology to realize the automatic allocation...
An electronic gift for your girlfriend that she won’t be able to put down
An electronic gift for your girlfriend that she won’t be able to put down In...
Redis implements session management, cache penetration and avalanche
1. Redis implements distributed Session management 1 Management Mechanism The session management of redis is...
Detailed index
1. What is an index? When we want to find a certain knowledge point in...
Database query with SQL statement
1. Query all the information in the data table ?Query all the information of all...
How does MySQL ensure the consistency of the master and backup
1. What is master-slave synchronization Master-slave synchronization, also known as master-slave replication, is a high-availability...