Search on WeChat Technical Training The ping command is the most frequently used network command in projects, and we usually use its basic functions. Today, let’s take a detailed look at the 7 basic uses of the Ping command. 1. Basic of Ping Command 2. Usage of ping -t 3. Usage of ping -a 4. … Read more
Introduction to LUNIX GDB Debugging Today, we will mainly learn about GDB debugging under LUNIX. Generally, in Windows, we are accustomed to various debugging buttons in IDEs, which are indeed very convenient. However, in Linux, there aren’t as many IDEs to support our debugging, but Linux does have a powerful command-line debugging tool for C/C++—GDB, … Read more
Application of GDB Tool GDB is a debugging tool for UNIX and UNIX-like systems.. Generally, GDB mainly helps us accomplish the following four functions: 1. Start programs, allowing developers to run programs as desired. 2. Allow the debugged program to stop at specified breakpoints. (Breakpoints can be conditional expressions) 3. When the program is stopped, … Read more
The make command provides the -n parameter for debugging makefiles. When make is run with the -n parameter, it only prints the commands that would be executed, but does not actually execute them. For example, with the following makefile, running make all -n will print the commands to be executed but will not actually execute … Read more
1. Commands for Managing Files and Directories in Linux 1.1 pwd Command The English explanation of this command is print working directory. When you enter the pwd command, Linux will output the current directory. 1.2 cd Command The cd command is used to change the current directory. cd / to switch to the root directory … Read more
The Linux system is a multi-user, multi-tasking time-sharing operating system. Any user who wants to use system resources must first apply for an account from the system administrator and then log into the system with this account. A user’s account can help the system administrator track users who use the system and control their access … Read more
In the process of using Linux, we often encounter issues related to users and groups. For example, the most common situation is when you want to execute a command in a certain path, and you frequently see this error message. permission denied Anyway, I often encounter this error while using FTP to transfer files. After … Read more
System Information arch # Display the processor architecture of the machine (1) uname -m # Display the processor architecture of the machine (2) uname -r # Display the current kernel version dmidecode -q # Display hardware system components – (SMBIOS / DMI) hdparm -i /dev/hda # List the architectural features of a disk hdparm -tT … Read more
Click the above “Mechanical and Electronic Engineering Technology” to follow us In Linux, the read command is used to read data from standard input (usually the keyboard) and assign the input data to a variable. This command is very useful in scripts as it allows the script to pause execution and wait for user input. … Read more
Follow the Embedded Learning Station to get more fresh highlights every day. 🤟 Usage Tip: This article contains 3732 words and is expected to take about 8 minutes to read~ What are the most dangerous Linux commands? Many people have asked me this question countless times, and I have always avoided answering because there is … Read more