The Linux system has always been a great platform for tinkering, mainly because it is open-source and offers many customizable options. When you’re bored, you can treat it like a toy, and when you need it, it is also a reliable operating system for professional use. There are many fun things on Linux, including personalized … Read more
ShellCheck is a tool for static code analysis, specifically designed to check Shell scripting languages. It helps users discover and correct common issues, potential errors, and inconsistencies in best practices within their scripts. Features Syntax Checking: ShellCheck can check the syntax of Shell scripts, ensuring that commands, syntax structures, and syntax rules within the script … Read more
Click on ‘Ruo Chen Si Xu’ above to follow and learn more exciting content!! Word count 1017, reading time approximately 6 minutes The competition between Windows and Linux in the operating system field reveals the eternal dichotomy in the evolution of human technology: user-friendly systems aimed at the masses versus efficiency-oriented systems for professionals. This … Read more
1. Run______⑴_______ code, record the experimental results. 1.Program code: (Student to fill in) mkdir ./wuli201 mkdir -p wuli202/zhang3 mkdir–p ./wuli20/zhang3/li4/wang5 rm –r ./wuli20/zhang3/li4/wang5 rm –rf ./zhang3/wang5 cd /etc cd /media cd ~ or cd $HOME cd ~/wuli202/zhang3 cd ../../ cd ~ or cd $HOME cd /etc/ssh 2. Experimental results: (Student to fill in) 2. Run_____⑵____ … Read more
The main purpose of designing the <span>poll</span> method in Linux device drivers is to support non-blocking I/O and multiplexing, allowing applications to efficiently monitor the readiness state of multiple devices. Here is a detailed analysis: Design Objectives Support Non-Blocking I/O Allows user programs to monitor the status of multiple file descriptors (such as readable, writable, … Read more
A 20,000-word system summary to help you achieve freedom with Linux commands. Basic Operations Shutdown and Restart Linux # Shutdown shutdown -h now # Restart shutdown -r now View System and CPU Information # View system kernel information uname -a # View system kernel version cat /proc/version # View current user environment variables env cat … Read more
New types of scams are gradually increasing, and everyone should remain vigilant. Remember that you can refuse any of the following: Screen sharing Request for transfer Request for identity information, etc. 1. What is lsipc http://man.he.net/man1/lsipc lsipc – Displays information about the IPC facilities used in the current system. Inter-Process Communication (IPC) is an important … Read more
Getting Started with Linux Commands st@st-virtual-machine:~$: st: The currently logged-in username, set during installation @: Not significant, serves as a separator st-virtual-machine: Hostname, set during installation ~: The current user’s home directory: (/home/st) : Used to distinguish user roles, indicates a regular user, # indicates ROOT user pwd: Used to view the absolute path of … Read more
In Linux systems, backing up data is an important step to ensure system security and data integrity. Whether you are a personal user or a system administrator, a reliable backup strategy and tools are needed to protect data. This article will introduce three commonly used Linux backup tools: rsync, tar, and dump, and provide practical … Read more
Linux is a powerful operating system, ubiquitous from servers to personal computers. Unlike the intuitive graphical interface of Windows, Linux relies more on command-line operations, and its file system is more complex. You might encounter scenarios where you need to find a configuration file but don’t know where it’s hidden; or you want to confirm … Read more