MySQL master-slave replication, read-write separation theoretical analysis + practical demonstration
introduction In enterprise applications, mature businesses usually have a large amount of data. If the reading and writi...
inotify of linux file monitoring
Some applications need to monitor files or directories to sense that specific events have occurred in these files or dir...
git learning - updating
Purpose: Multi person development projects, integrate projects according to certain rules, achieve orderly iteration of ...
epoll source code analysis
epoll function int epoll_create(int size)； int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)； int epoll...
Learn more about Kubernetes CRD development tool kubebuilder
Original text connection: https://blog.csdn.net/u012986012/article/details/120271091
...
Install fail2ban + firewall in CentOS 8 to prevent SSH brute force cracking
To prevent online hackers from brutally cracking system accounts Using SSH, first prohibit key accounts such as root rem...
Docker Compose - detailed parameter explanation
Introduction to Compose Compose is a tool for defining and running multi container Docker applications. With compose, yo...
C pointer learning
Lesson 9: pointer (the soul of C language) Definition of pointer: pointer is essentially a variable, and this variable ...
Load balancing lvs DR mode
preface client -> dns -> cdn(cache) -> server The client accesses dns first and then to the cache, otherwise th...
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
problem Today, a Linux (CentOS 6.5) virtual machine was installed on VMware. When installing apache http web server, the...
☀️ Suzhou program white parsing virtual network interface in Linux ☀️ < ❤️ Remember to collect ❤️>
catalogue 🏳️‍🌈 Let's talk!!!! 🏳️‍🌈 Suzhou program Dabai 🏳️‍🌈 🌟 Blogger introduction 💂 Personal home page...
Chapter 5 grep and regular expression of three swordsmen in Linux text processing
3. Text processing three swordsmen The grep command mainly filters the (regular expression) lines of text based on patte...
Chapter V VIM, the God of Linux text editing tools
1. VIM, the God of text editing tools
...
[embedded] the "lower half" mechanism of Linux interrupt processing
preface
Interrupts are divided into hardware ...
Enterprise operation and maintenance practice -- Docker learning notes 4 Docker security, container resource control and security reinforcement
1.Docker security
The security of Docker cont...
2021-10-02 Linux Operating System Experiment 3: network programming and file operation
Experiment 3 of Linux operating system: network programming and file operation
...
Task task control
Write a simple shell script Automatically add 3 users and ask: a b c #!/bin/bash #This line is only a comment and has no special meaning for i in a b...
[Linux] take the matching system as an example to get started with the Thrift framework
[Linux] take the matching system as an example to get started with the Thrift framework Reference blogs / articles: Deta...
One Linux command a day (20): sed command
This article is an original article of Joshua 317. Please note: reprinted from Joshua 317 blog One Linux command a day (...
linux Installation and configuration jenkins
linux Installation and configuration jenkins
...
First knowledge of cgroups principle
cgroups subsystem
cpu subsystem, which is used to limit t...
Kerberos high availability configuration
48.1 presentation environment Kerberos is installed and integrated with CDHOperating system RedHat7.2EC2 user user with ...
Linux Enterprise Operation and maintenance -- redis configuration, master-slave replication and master-slave automatic switching of redis service
Linux Enterprise Operation and maintenance The system used in the experiment is Redhat-rhel7.6. Linux Enterprise Opera...
android performance test app CPU share
1. What is proc?
Proc file system is a pseudo file system...
Linux RAID disk array and RAID configuration
1, RAID disk array introduction Independent redundant disk array Multiple independent physical hard disks are combined...
Loop Statements and Functions in Shell Programming
Catalog
1. Looping statements 1. for Loop Statement (1) f...