403 questions
Hello.I'm a beginner developer.I want to do a unit test while doing a socket program with c in the centos Linux environment, so I am posting a question like this.Could you briefly tell me the Unit Tes...
After adding one module as insmod to the kernel space, the added driver tries to generate a SIGUSR1.At this time, I want to receive and process the SIGUSR1 signal of kernel space from user space, so w...
I'm trying to run the server to LinuxIf I connect remotely, it looks like a picture, but I can't connectSSH is allowed remotely, but it is still not possible to access it through telnetIf there is any...
I'm going to make the following with C or Python, how should I make it? ㅜ
It's not a question about the code, but if it's against the rules, I'll delete itI'm a beginner who started Python codingOnly Many educational classes use Linux environment or virtualenv? Or I saw you...
The title is weird because I don't know it well.The result depends on where the command written in the shell script runs the script.For example:#!/bin/shpwdScripts like this home p parent ch Child te...
As per title Can you copy the Linux server itself so that it can return to the same environment on the local virtual machine?How should I do it if I can?
I made a driver and installed the insmod and added it to the module.Other programs have even added values to variables in this module, but is there any way for me to read the variable values that have...
I check the L2 cache miss rate using perf, but if it goes over 50 percent, I want to light the LED on the raspberry pie. You want to write this in Python.When you turn it off, Linux in Raspberry can t...
Preprocessor C in GCC treated variable name linux as constant 1.//test.c:#include <stdio.h>int main(void){ int linux = 5; return 0;}Looking at the result of pretreating this with gcc-E test.c,...
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