Programmer Group

1) Experimental platform: punctual atom alpha Linux development board 2) Platform purchase address: https://item.taobao.com/item.htm?id=603672744434 2) Full set of experimental source code + manual + video download address: http://www.openedv.com/thread-300792-1-1.html 3) Students interested in punctual atomic Linux can add group discussion: 93 ...

Detailed explanation of ansible automatic operation and maintenance tools About the author Author introduction 🍊 Blog home page: Author URI 🍊 Introduction: high quality creators in the field of cloud computing 🏆, The it story of the school's official account Creator 🎓, At school, he participated in many computer related provin ...

1 theoretical basis components 1.1 Epoll model overview 1.1.1 advantages of epoll model over Select/poll model (1) The maximum number of descriptors that Epoll can use will depend only on memory in a linear relationship (2) IO efficiency does not decrease linearly with the increase of the number of descriptors, mainly due to the callback ...

Netfilter framework of Linux kernel Initial publication Nuggets The author has done some research on Linux kernel related modules to realize kernel level communication encryption and video stream encryption, including Linux kernel network protocol stack, Linux kernel communication module, Linux kernel encryption module, secret key gen ...

(vlunerable practice) – Node penetration practice Download address http://www.vulnhub.com/entry/node-1,252 This article is a reference to the boss Orange lady Written in my article The following are my notes following his article Scan host (netdiscover) sudo netdiscover -i eth0 -r 192.168.100.0/24 Target host IP: 192.168.100.152 ...

Several common ways to install software on Linux: Source code compilationDecompress the compressed package (generally tar.gz)Compiled installation packages (RPM, DPKG, etc.)Online installation (YUM, APT, etc.) The convenience of the above methods increases in turn, but the versatility decreases in turn. For example, downloading compressed pac ...

overview The mainstream linux distributions on the market now include red hat system (including Redhat,Centos,Fedora,Rocky), Debian system (including Debian,ubuntu,Deepin) and SUSE system. These systems have their own characteristics. They mainly depend on personal preferences. I feel that if it is a new player, it can start from the red h ...

1. What signals are in the Linux operating system 1. Brief introduction of signal Signals are a mechanism for notifying a process when an event occurs, sometimes referred to as software interrupts. A process can send a signal to another process, such as SIGCHLD (signal 17) to the parent process at the end of a child process, to notify the pare ...

BSP engineering management experiment We must manage the project files and put the source files of different functions in different directories. In addition, we also need to extract all the code that completes the same function in the source file and put it in a separate file, that is, the program is managed by function. Create a new folder n ...

1. What is a file descriptor?                   1. Nonnegative integer.          2. Represents an open file.          3. Returned by the system call (open) and referenced by the kernel ...