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epoll related system calls #include <sys/epoll.h> int epoll_create(int size); epoll_create creates an epoll model and returns a file descriptor pointing to the epoll model.Parameter is deprecated and reserved for compatibility. Fill in at will.The file descriptor is returned successfully, and - 1 is returned for failure. int e ...

Principle of mutual exclusion of processes Idle admission: when the critical area is idle, a process should be allowed to access it. Wait when busy: when the critical area is being accessed, other processes trying to access need to wait. Limited waiting: to enter the critical area within a limited time, the packaging will not be hung ...

File system and log analysis summary inode and block Hard link and soft link Recover accidentally deleted files Analysis log file inode and block overview File data includes meta information and actual dataFiles are stored on the hard disk. The minimum storage unit of the hard disk is "sector". Each sector stores 512 bytesBlock ...

Introduction:   This article mainly explains how to install and package Linux Docker images. For image download, domain name resolution and time synchronization, please click   Alibaba open source mirror station 1, Build Docker environment 1. Installation under linux environment Install / upgrade your Docker client It is recomm ...

Is there a more general makefile? Write before: This general mkaefile document comes from one of the documents mentioned in the positive atom learning board. Of course, this does not mean that it is the most appropriate. It is just the most powerful document I have encountered in the learning process. The focus is still on learning. Learn how ...

C language LED experiment 1. Assembly activation CPU First of all, we should understand that there is no way to directly identify C without a system development board (that is, bare metal). Therefore, an assembly language is needed to configure CPU resources, select CPU operation mode and initialize pointer position. The code is as follows: .gl ...

introduction vmstat obtains rough information about the performance of the whole system, including: Number of running processesCPU usageNumber of interrupts received by CPUNumber of context switches performed by the scheduler grammar NAME vmstat - Report virtual memory statistics Overview vmstat [-n] [delay[count]] vms ...

overview kubebuilder and k8s.io/code-generator Similarly, it is a code generation tool used to generate code for your CRD kubernetes-style API realization. At present, Kubebuilder generates CRD and manifest yaml, and then code generator generates informers, listers and clientsets. Note that the methods described in this article can no long ...

As a small note reference!!! This article mainly writes the docker single host network type   none host   container   bridge The first three are simple. Finally, I will talk about the bridge network in detail When docker is installed, three different networks will be created by default: [^_^] kfk ~# docker network ls NE ...

catalogue 1, Deployment environment 2, Installing centos:7 3, Custom network 4, Installing nginx 1. Create Nginx directory 2. Write the Dockerfile script of Nginx 3. Configure nginx.conf file 4. Generate nginx image 5. Customize the ip address and start the image container (limit the maximum use of 500MB of memory and 1G of Swap by the ...