Under the black curtain of the terminal, Shell commands and Linux commands are like twin flames, intertwined yet distinctly characterized. Beginners often confuse the two, but in reality, they are mirror projections of ‘environment’ and ‘system’. 1. Definition Distinction: Interpreter vs Kernel Shell commands: Instructions executed through a Shell interpreter (such as Bash/Zsh), essentially serving … Read more
One-Click Installation Script Preparation steps before using the script Install the operating system Configure the host network Set up the software source; the script will configure it automatically, and you need to mount the ISO image Create a directory for storing software: mkdir /soft Upload the software package Upload the installation script Check Host and … Read more
There are many ways to set custom programs to start automatically on boot in Linux systems. The method described in this article is to set the program as a service for automatic startup.Create a new hello.service file in the /lib/systemd/system directory. touch /lib/systemd/system/hello.service vim /lib/systemd/system/hello.service [Unit] Description=Hello Service [Service] Type=simple ExecStart=/usr/bin/hello.sh SuccessExitStatus=2 [Install] WantedBy=multi-user.target Note … Read more
Awk is a scripting language used for processing data and generating reports. The awk command programming language does not require compilation and allows users to use variables, numeric functions, string functions, and logical operators. Awk is a utility that enables programmers to write small but effective programs in the form of statements that define the … Read more
1. Core Elements of a Playbook: hosts List of remote hosts to execute on tasks Set of tasks variables Built-in or custom variables called in the playbook templates Files that can replace variables in template files and implement some simple logic handlers Used in conjunction with notify, triggered by specific conditions, executed if conditions are … Read more
Command Overview pwd is a fundamental yet important command in Linux/Unix systems, which stands for Print Working Directory. Its core function is to display the current directory path where the user is located, helping users quickly confirm their position in the file system. Usage The syntax of the pwd command is as follows pwd [options] … Read more
Introduction In the FPGA development process, programming the bitstream file and using ILA for debugging are common operations. However, if the FPGA board is located in a server room or connected to a server via PCIe, we often have to run to the server room or next to the server with a laptop to connect … Read more
In the fast-paced modern life, repetitive tasks act like invisible “time thieves,” quietly consuming our work efficiency and creative enthusiasm. When faced with mechanical operations such as data organization and file archiving, manual processing not only easily leads to burnout but may also result in inefficiency due to negligence. Fortunately, Python, with its rich standard … Read more
Click the blue “Most Programmer” to follow me! Add a “star” to get daily tech learning at 18:03 Shell is the core weapon of the Linux system, but many people only know the basic commands likels、cd、rm and nothing more. The following advanced tricks will help you say goodbye to being a “Shell novice” and boost … Read more
Linux Touch Command 1. Introduction In Linux systems, <span>touch</span> is a simple yet powerful command-line tool primarily used to create empty files or update the access and modification timestamps of files. Although its functionality appears straightforward, by combining different options and scenarios, the <span>touch</span> command can achieve many advanced uses, especially in scripting, file management, … Read more