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Linux system management - find file lookup find overview Why use file lookup Sometimes, we may forget the location of a file. At this time, we need to find it through find. Sometimes, I want to find all files less than 1k in a directory. There are also times when we want to find a file created seven days ago in a directory. There are ...

MISC means mixed and miscellaneous, so MISC driver is also called miscellaneous driver, that is, when we have a driver on the board When some peripherals cannot be classified, MISC driver can be used. MISC driver is actually the simplest character device driver. It is usually nested in platform bus driver to realize complex driver 1, Int ...

1, getaddrinfo Function prototype: int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res); Function function: according to hints The specified parameter requires that the server be obtained node And store the obtained results in res in Function parameters: node The domain name of the server ...

1, Modify network card name Centos6 network card names are eth0, eth1 Centos7 network card names are ens32, ens33 Because this irregular naming method brings difficulties to later maintenance, it is necessary to modify the network card name to eth0, eth1 1. After installing the operating system, modify the naming rule of the network card ...

1. Deployment strategy in kubernetes In this article, we will learn how to use the Kubernetes container to orchestrate the deployment strategy when the system deploys the container. At the end of this article, we will learn how to deploy in different ways in the Kubernetes cluster. If you find this topic interesting, please read on! The code ...

POSIX semaphore 1. Basic concepts The logic of POSIX semaphore is exactly the same as that of semaphore elements in IPC semaphore group, but the operation of POSIX semaphore is simpler and the interface is easier to use. It is widely used in multi process and multi thread. POSIX semaphores are divided into two types: POSIX anonymous sema ...

regular expression preface The reason why regular expressions are introduced is that the grep command will use regular expressions, so they are explained at the beginning 1. What is a regular expression? A regular expression is a way of describing a collection of strings. The representation of regular expressions is the combination of some ...

DPDK-20.11. Version 3 uses meson and ninja for compilation and installation. Refer to the previous process DPDK-20.11.3 in CentOS 8 Compile and run on 4 According to this step, after the compilation and installation is completed, it can be found that the test case executable has been generated in the build/app and build/example directories. At ...

The virtual file system is VFS, and the kernel provides file and file related interfaces. All files in the system not only depend on VFS coexistence, but also rely on VFS coordination. Common file interfaces, including read, write and open, can be used to read files and hard disks. The reason why a unified interface can be used to read an ...

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