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This is the last article in this series. We learned about the basic concepts of access control and the specific operations of authentication and authorization. In this article, we will learn more about service account in access control.   Kubernetes has the concepts of user and service account, which can be used to access resources. Users are ...

System V message queue Message queue is a simple and effective way to transfer binary data between two processes. Each data block has a specific type, and the receiver can receive data effectively according to the type, instead of having to receive ...

System boot is the beginning of the operation of an operating system. If there is a problem in boot, the system will not work properly. Is there any way to repair it? The answer is yes. CentOS 7 boot process 1. Boot-up self-check BIOS 2.MBR boot 3.GRUB menu 4. Loading kernel and memory file system initramfs 5. Loading hardware driver and init ...

###################### Identification of Local Storage Devices You can see by inserting u-disk Plug in the U-disk to see the equipment Fdisk-l # # real device (not necessarily system-recognized) Other devices in cat/proc/partition # system Bluekid ...

Catalog Linux Basic Learning User Login terminal Interactive interface bash Slow steps to modify ssh connections command prompt Show prompt format command alias Command Format Get help for commands man bash Shortcut tab ke ...

1. Definition of variables Variables are used to store all kinds of data. Scripting languages usually do not need to specify the type when defining variables. They can be assigned directly, and shell variables follow this rule. 2. Variables in sh ...

Common commands of gdb: Linux Learning--gdb Debugging 2. Learning examples of gdb: #include <stdio.h> int add_range(int low, int high) { int i, sum; for (i = low; i <= high; i++) sum = sum + i; return sum; } int main(void) { ...

Preface In the United States, I just got off the plane and wrote this blog while waiting for my luggage to commemorate my two-day history of trampling pits, as well as a new way of thinking, programming for Baidu. This article introduces how to use p ...

Recently, due to the new requirements of business systems, our platform needs to provide supplier G with a kind of data conversion format and then provide it to customer K. The headache of comparison is that the data provided by supplier G are stored in Excel under Windows, and the data type previously agreed by customer K with our relevant doc ...

Configure mysql mainly by calling CMD There are three core steps: 1. Decompress mysql file in specified path by code (nuget gets sharpzipXXX, cross-volume copy writes recursive file copy by itself), and add the bin path of mysql to the path of ...