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preface lichee_ The nano master chip is Quanzhi FC1001S. For the time being, this note takes lichee nano as an example, which may be directly adapted to various boards of FC1001S in the future. Note: when using the lichee nano board and the image provided by lichee, you need to pay attention to the flash chip model of the board and modify the ...

testmgr.c - crypto/testmgr.c - Linux source code (v5.15.11) - BootlinThe above code is a test program for providing cryptographic services inside the kernel, that is, the crypto subsystemCalling process: crypto API < - > crypto core < - > crypto_ register_ algIf a program in user mode wants to call a cryptographic algorithm in kerne ...

1.awk working principle and basic usage awk : Aho, Weinberger, Kernighan , report generator, formatted text output, GNU/Linux Published AWK is currently funded by the free software foundation( FSF )Development and maintenance, commonly known as GNU AWK There are several versions: AWK: AWK originally from at & T ...

Prometheus is deployed in containers and monitors nodes with Grafan drawing tool Install docker on the master host Environmental description host nameipmaster192.168.200.144client192.168.200.145 Configure docker CE source [root@master ~]# cd /etc/yum.repos.d/ [root@master yum.repos.d]# curl -o docker-ce.repo https://mirrors.tuna.tsinghua.ed ...

brief introduction lsof(list open files) is a tool that lists the open files of the current system. In the linux environment, everything exists in the form of files. Through files, you can access not only conventional data, but also network connections and hardware. Therefore, for example, transmission control protocol (TCP) and user datagram ...

catalogue summary List in kernel_ Implementation of head 1.list_head structure 2.list_ Operation implemented by head 3.list_entry macro list_ Use of head epilogue summary The two-way circular linked list in Linux kernel is realized by separating abstract structure and data, that is, abstract linked list_head is embedded in the data st ...

k8s cluster environment construction preface Today, let's use kubeam to build a k8s cluster to prepare the environment for the microservice project we will write later. First, let's take a look Construction steps Turn off firewall systemctl stop firewalld.service systemctl disable firewalld.service Modify selinux setenforce 0 temporary ...

/Disclaimer: I only reprinted this article when I saw that it was very helpful to me, but there were grammatical errors in this complete program. Now let me correct it/ Author :tiger-john WebSite :blog.csdn.net/tigerjb Email : jibo.tiger@gmail.com Update time: Monday, February 14, 2011 Tiger statement: I despise individuals or groups that ...

1, Byte order 1. Classification Small end format: store low byte data in low address Big end format: store high byte data in low address Small segment storage format is adopted in linux 2. Features The network protocol specifies that the communication byte order is the big end formatByte order needs to be considered only in multi byte d ...

summary Serial driver is different from IIC/SPI driver. It has no difference between host and device. There is only one serial driver.The official website will generally write the serial port driver. What we really need to do is to add the serial port node information to be used in the device tree.After the system is started, the serial po ...