Programmer Group

When a project goes online, it often needs to back up the database regularly to deal with uncertain environment and unknown problems. It is arranged as follows: What is crond? crond and crontab are inseparable. Crontab is a command, common in Unix and Unix like operating systems, which is used to set periodically executed instructions. The co ...

Why interprocess communication is needed When a process accesses critical resources, it is possible for multiple processes to access critical resources at the same time in the same time, resulting in unexpected errors due to the uncertainty of who executes first between processes (which depends on the process scheduling algorithm of the kernel, ...

vsftpd overview vsftpd is the abbreviation of "very secure FTP daemon". Security is one of its biggest characteristics. vsftpd is the name of a server running on a UNIX like operating system. It can run on systems such as Linux, BSD, Solaris, HP UNIX, etc. it is a completely free, open source FTP server software that supports many f ...

Time and date are often used in our programming. This paper mainly introduces the basic usage of time package built in Go language. Import package in Go language Single line import import "time" import "fmt" Multi line import import ( "fmt" "time" ) time package The time.Time type represents time. func main(){ now := time.Now() ...

Preface In our daily work, the Linux server operating system that we often use, whether it is to view the information of network devices, manage network interfaces, download files, debug network problems or view network statistics, can be completed by commands under the terminal. ifconfig / ip a The command ifconfig is similar to ip a, which is ...

basic operation 01: get current time dateTime := time.Now() fmt.Println(dateTime) 02: get month day hour minute second nanosecond year := time.Now().Year() //year fmt.Println(year) month := time.Now().Month() //month fmt.Println(month) day := time.Now().Day() //day fmt.Println(day) hour := time.Now().Hour() //hour fmt.Println(hour) minute ...

Preface    as we all know, in the distributed global unique ID generator scheme, SnowFlake algorithm, which is open-source by Twitter, is compared with the transponder algorithm that needs to be deployed represented by meituan Leaf. Because of its advantages such as high performance, simple code, no dependence on third-party services ...

overview First, synchronize the following project overview: The last article shared that Jaeger link tracking, a routing middleware, had an unexpected response. The "Go China" public account was also forwarded. Many friends joined me to communicate with each other and called me "God". In fact, what God am I? It's just a loc ...

Unix Network Programming Volume 1 Intermediate Basic TCP socket programming socket connect bind listen accept close() Server: display client IP and port number Concurrent server Local and foreign protocol address functions Sample TCP client and server programs Client Server Workflow Normal startup ...

This article first appeared in wechat public account "my little bowl soup". You can pay attention to it by scanning the QR code at the end of the article. Welcome to exchange! In the process of redis containerization, it involves extending the cpu, memory and maxmemory value of redis instance vertically. The pod managed by statefull ...