CEPH CSI source code analysis RBD driver controller server analysis
Kubernetes CEPH CSI analysis directory navigation
CEPH CSI source code analysis (4) - RBD driver controller server analysis
When the driver type specified when the CEPH CSI component is started is rbd, the services related to rbd driver will be started. Then, according to the parameter configuration of controllerserver and nodeserver, decide ...
Added by Sharif on Sun, 20 Feb 2022 01:44:50 +0200
Linux user management, file system permissions
user management
Users, Group Management Commands Organize: (1 message) Linux users, group management command collation and example details_ captainyuxiaoyu's Blog - CSDN Blog
sudo user authorization
Privileges to execute commands given to ordinary users by administrators
vim /etc/sudoers
redhat ALL=(ALL) NOPASSWD: /usr/sbin/useradd
Author ...
Added by akimm on Sun, 20 Feb 2022 01:41:19 +0200
Information collection and Python script writing
In the penetration test, information collection is particularly important. In the information collection stage, the penetration test team can use various methods to obtain information about the topology and system configuration of the target network. Whether the information is perfect or not will seriously affect the speed and depth of subseque ...
Added by why not on Sun, 20 Feb 2022 01:38:58 +0200
Implementation principle of ConcurrentHashMap ~java7
preface
Recently, when I read some articles about ConcurrentHashMap, I always said: before jdk8, ConcurrentHashMap used segment lock to ensure concurrency security. The jdk8 abandons the segmented lock and ensures the concurrency security through the sycronized keyword + CAS. Although it probably means so, it doesn't feel thorough enough, so I ...
Added by eatc7402 on Sun, 20 Feb 2022 01:35:51 +0200
It may be a little long introduction to Spring MVC, but learning may be wealth and freedom!
preface
As we all know, Java development is jokingly called spring development by the old oil subroutine apes, which shows the position of spring in Java development. If there is no spring framework, the code written by most people will be a shit.
Spring MVC is a very important module among the seven modules of spring.
MVC framework is a ful ...
Added by KingIsulgard on Sun, 20 Feb 2022 01:35:13 +0200
2021 big data Spark: Structured Streaming Internet of things device data analysis
catalogue
Data analysis of Internet of things devices
Equipment monitoring data preparation
Create Topic
Analog data
SQL style
DSL style
Data analysis of Internet of things devices
In the era of Internet of things, a large number of sensors are collecting and producing data involving various fields every day. It makes the Internet of t ...
Added by FUNKAM35 on Sun, 20 Feb 2022 01:16:33 +0200
File transfer of Linux command
scp
The file is copied between the local host and the remote host by encryption
Supplementary notes
scp command is used to remotely copy files under Linux. cp is a similar command, but cp is only copied locally, not across servers, and scp transmission is encrypted. It may affect the speed slightly. When your server hard disk becomes read-on ...
Added by pcjackson06 on Sun, 20 Feb 2022 01:03:55 +0200
Element plus component library quick start tutorial
If you are Xiaobai, this set of information can help you become a big bull. If you have rich development experience, this set of information can help you break through the bottleneck 2022web full set of video tutorial front-end architecture H5 vue node applet Video + data + code + interview questions.
preface
Generally, when we develop sing ...
Added by neller on Sun, 20 Feb 2022 00:59:50 +0200
Linux network programming - VII
1. Preparation for web server development
In order to write a web server, we need to learn how to write html pages and master some knowledge of http protocol. These two parts will be introduced next. After these two preparations, you also need to know what is the communication process of the web server? We also need to think about how to s ...
Added by 758 on Sun, 20 Feb 2022 00:39:40 +0200
Introduction to embedded MCU programming -- Architecture
Write in the front: it's purely personal opinion. If you don't agree, you're right! If it helps you, congratulations.
Introduction to embedded MCU programming - Thinking
Following the above, thinking is the foundation. On the basis of thinking, it will be easier to understand the structure. If you haven't read the previous article, you can ta ...
Added by mr_armageddon on Sun, 20 Feb 2022 00:35:46 +0200