Recent questions tagged linux

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linux - How can I run a Docker container in AWS Elastic Beanstalk with non-default run parameters?

I have a Docker container that runs great on my local development machine. I would like to move this to ... configuration. That should do it! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

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linux - How can I access system time using NASM?

How can I access the system time using NASM, on Linux? (Editor's note: the accepted answer is for 16-bit ... answers are actually for Linux.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Why is this kernel module marked at permanent on 2.6.39

When I load this module: #include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> MODULE_LICENSE ... be much fun to resolve. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Unable to add element to array in bash

I have the following problem. Let′s assume that $@ contains only valid files. Variable file contains the name of the ... " do echo "$j" done See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux command "file" shows "for GNU/Linux 2.6.24"

I always use the file command to check the file type, mostly after I compile a new project to make sure ... against newer Linux Kernel? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Looping a video with gstreamer and gst-launch?

I am able to play a video on the command line with gstreamer's gst-launch like this: gst-launch gnlfilesource ... again and again and again? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Can we call system call in kernel space?

Sometimes, when we have to call system call in kernel system, we invoke it's helper or related kernel functions, ... is a little bit weird. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Where are the stacks for the other threads located in a process virtual address space?

The following image shows where the sections of a process are laid out in the process's virtual address space ... below the first stack? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux kernel - dmesg is not showing printk statement

I'm trying to create a proc entry. My init_module function is as below int init_module() { printk(KERN_INFO "proc2 ... me what's wrong here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to limit memory usage within a python process

I run Python 2.7 on a Linux machine with 16GB Ram and 64 bit OS. A python script I wrote can load ... one the current python program runs in. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

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linux - UNIX sort ignores whitespaces

Given a file txt: ab a c a a When calling sort txt, I obtain: a a ab a c In other words, it is not proper ... a a c ab How should I do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Call a function using nohup

I am trying to call a function using nohup like this: function1(){ while true do echo "function1" sleep 1 done ... function. How can I fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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480 views

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linux - Why crontab uses OR when both day of month and day of week specified?

It is a famous "problem" that when a crontab line contains both day of week and day of month cron uses OR for ... or "2nd Thursday of May".) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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550 views

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linux - Sharing devices (webcam, USB drives, etc) with Docker

I have a need to share specific devices from /dev on my host Linux machine with my docker containers. ... to get this supported functionality? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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549 views

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linux - What does double-dash do when following a command?

Question: How a app should parse command line when there is a Command after a double dash? (Not duplicated of this ... behave. Thx a lot :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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linux - Count number of line using C

Is there a way to count the number of lines in my file using C? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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552 views

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linux - Node Server crashes after few hours

I am using Nodemon with Forever Module on Ubuntu Server. I use this command to start my Node Server: ... solution to fix Server crashing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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557 views

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linux - Easy way of installing Eclipse plugins on Ubuntu

I'm running Eclipse (versions 3.6 and 3.5) on Ubuntu and I'm having trouble installing Eclipse plugins. ... How can I resolve this problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Running process of remote SSH server in the background using Python Paramiko

I am finding hard to run a process on a remote SSH server at background using Paramiko. I used : stdin, ... Paramiko, any help is appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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508 views

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linux - How to programmatically create videos?

Is there a freely available library to create a MPEG (or any other simple video format) out of an image ... and ideally have Python bindings. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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552 views

1 answer

linux - Serial port loopback/duplex test, in Bash or C? (process substitution)

I have a serial device set up as loopback (meaning it will simply echo back any character it receives), ... processes in Bash - Ubuntu Forums See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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572 views

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linux - sys_execve system call from Assembly

asm_execve.s: .section .data file_to_run: .ascii "/bin/sh" .section .text .globl main main: pushl %ebp ... wrong in system call parameters? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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420 views

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linux - Running a shell command in a c program

I want to run a shell command in my c program. But the thing is that i don't want to make my program ... anyway) So basically, is that possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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643 views

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linux - How do I play a sound in Octave?

Octave appears to assume that a specific sound playing utility will be available on a system but doesn't ... an system-appropriate utility? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

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linux - Shred: Doesn't work on Journaled FS?

Shred documentation says shred is "not guaranteed to be effective" (See bottom). So if I shred a document on my ... mount man page (man mount). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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504 views

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linux - Process started from system command in C inherits parent fd's

I have a sample application of a SIP server listening on both tcp and udp ports 5060. At some point in ... function in Linux? Thanks, Elison See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

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linux - How to fix java when if refused to open a file with special character in filename?

How to open a file, with a special character which Java refused to open? At the beginning I guess it was a charset ... 554 Apr 14 20:58 WTF.java See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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593 views

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linux - Device number in stat command output

stat test.log File: `test.log' Size: 573 Blocks: 8 IO Block: 4096 regular file Device: 804h/2052d Inode: ... does the Device entry signify ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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