C is a general-purpose programming language

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Monitoring resource usage by single application over period of time

I am looking for an utility which can monitor the resource usage (CPU & RAM) by an application. I have an third party application which runs as service, once started, it will receive requests ...
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0answers
14 views

how to add sth to my executable file (.out) and change it [on hold]

i have hello .c code as follows: #include<stdio.h> int main(){ printf("hello "); return 0; } I have a.out of this source code. I want to make some changes to my executable file to make it ...
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0answers
14 views

I am facing a problem while running a 'C' graphics program in gcc compiler [on hold]

My program doesn't exeute properly. when i run a program containing graphics header file then i get an error message as given below. Please help me resolve the following error: [xcb] Unknown sequence ...
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0answers
15 views

basic instruciton pipelining [closed]

Today, I was trying to understand pipelining in superscalar. If I have a C code and how this code is assigned to a superscalar processor. How are the instructions given to pipelines? If I have a 2 ...
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1answer
46 views

Confused about how to compile modsecurity module for apache in Ubuntu 14

After I followed the instructions in Building Custom ModSecurity Modules section in modsecurity dev guide in order to compile mod_tfn_reverse.c using the command apxs -ca mod_tfn_reverse.c, I'm still ...
0
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1answer
17 views

How do I change the final location of a compiled c program in the terminal

After a c program is compiled it is stored in ./a.out. Is there any way in which I can change the file to any name I want?
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0answers
8 views

COnformance Test to IEEE1003.13 Standard [closed]

I am working on POSIX PSE51 Profile, how to check whether my linux is conformance to IEEE 1003.13-2003 (PSE51 in specific). Thanks in advance
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1answer
42 views

How can I get my terminals / shells to have custom designs in it?

How can I add fun stuff to my terminal so I have extra zazz for when I break every thing every day! :D I'm learning C / C++ and think root projects and custom terminals would be fun way to practice ...
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32 views

Is there any step by step instructions to make Eclipse Mars look and feel like Visual Studio for Ubuntu?

I have been using Visual Studio ever since Visual Studio 6.0 and I like the way the IDE is arranged. I love the dragging and dropping of controls onto the GUI and the event driven programming. ...
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24 views

How to run a C program that compiled on other linux distro?

I am using Ubuntu Linux and Kali Linux both so, I compiled a C program on Kali and tried to run on Ubuntu but it gave an error Permission Denied?
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36 views

Can't call gnome-screenshot in C

I want to call the command gnome-screenshot -ac in my C program using system("gnome-screenshot -ac") or exec() but they didn't work. I'm sure that this command works well because I can use it in the ...
2
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0answers
18 views

Where's device file of the sound card?How can I play by C

In /dev, I just find /dev/console, rather than /dev/dsp, /dev/audio, etc., which friends told me the device file of sound card in Linux. Now, I want to play music and change the volume by C in Ubuntu ...
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48 views

Gimme some Integrated Development Editor for C/C++ Programming in Ubuntu 14.04? [duplicate]

I have to write C and C++ code, so gimme the best IDE ? IDE Output file should also be as .txt, Windows Execution file,Ubuntu Execution File.
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1answer
29 views

Help following instructions (stuck at editing a file)

I'm following these instructions. This is what I've done so far: Installed JDK Downloaded NDK & SDK, extracted them and MOVED them to usr/src Configured my $PATH Ran android and now I'm ...
1
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1answer
58 views

bash - can shellcode be made from a bash script?

I was thinking it can't, since there's not really a binary for bash scripts, but having to write a C program every time you need to generate shell code for a single command is just a pain.
1
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1answer
14 views

XPDP2 make error [closed]

Below is the error I keep coming across but im unsure on how to fix it. I have tried looking elsewhere but I cannot seem to find a clear answer on what the problem is or if this problem even matters. ...
1
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1answer
29 views

SNAP Installation C++

I am new to Linux and working in its environment. I have trouble understanding and installing SNAP library for C++ on Ubuntu 14.04. I am following this tutorial. Inside the SNAP directory I run the ...
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1answer
31 views

gdb - load kernel module for remote debugging

Ubuntu 14.04 LTS: peter@peterubuntu0:$ insmod mymodule peter@peterubuntu0:/sys/module/mymodule/sections$ cat .text .data .bss 0x0000000000000000 0x0000000000000000 0x0000000000000000 So how do I ...
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1answer
47 views

How to open new terminal by C code?

I am using ubuntu 14.04 and Qtcreator to complile a code. I am able to run a terminal by code system("/home/salman/find_location/start_yarp.sh"); But on the next line i have ...
2
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37 views

Debugging kernel running on AMD target from Intel host - how to return control to gdb?

I have compiled kernel 3.13.0-55 on Ubuntu on both AMD and Intel machines. I tried to copy compiled kernel to Intel target but it won't boot with that one. Therefore I have compiled the same version ...
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0answers
27 views

Running Posix threads on Ubuntu

I am trying to run posix threads in a c programme and I'm getting these errors: make: *** [HPCFilter] Error 1 HPCFilter C/C++ Problem undefined reference to `pthread_create' binning.c ...
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34 views

implementation of “jobs” command in C

i tried with this : system("ps -a"); but I don't think this is a good way. This command should list all running processes created by my shell.. EDIT: Yeah i'm talking about the shell that ...
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0answers
35 views

bug in ncurses.h? [closed]

I have been trying to compile a program I have written in C. I notice that there is an error in compiling saying: clock.c: In function ‘main’: clock.c:22:2: warning: passing argument 2 of ‘wgetnstr’ ...
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1answer
31 views

error with .data file,C [closed]

I have been trying to compile a C program that receives data from a .data file.Unfortunately,I always get the following message: input.dat.2:1:error: expected identifier or "(" before numeric constant ...
1
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1answer
20 views

How to debug a process developed in C running as a Wi-Fi Access Point?

I have two processes developed in C. The first one is running as a WiFi Access Point in Ubuntu machine and the second is running as a controller in another Ubuntu machine in the ethernet network. This ...
0
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1answer
55 views

Is it possible to send keys to inactive window via any c/c++ library?

I'm developing a program where I need to control an inactive window by sending a couple of keys. I was wondering if there is any c/c++ library to do so on Ubuntu (and linux in general) ? I googled a ...
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2answers
97 views

Difference between C programs and shell scripts receiving signals from fuser

I have written the shell script below for a lab in my college. It must look at a log file being upgraded frequently from another process and create a number of copies passed at invokation. Here is the ...
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0answers
22 views

Ubuntu 12.04 Desktop Out

I've been stuck with this several hours and it seems I am not making headway. I did Ctrl+Alt+F1, logged on and I got error while loading shared libraries: libstdc++.so.6: cannot open shared object ...
9
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1answer
1k views

Does Ubuntu automatically release memory allocated by a C program as the program terminates?

I have written a C program containing code allocating memory using the malloc() function. If I don't free up the memory using the free() function, will Ubuntu release it automatically?
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1answer
154 views

How to install a custom library written in C?

I want to install Stanford Portable Library on my system (Ubuntu 14.04). Can anyone please instruct me how to do it?
3
votes
2answers
369 views

Ubuntu Terminal: C program (or other solutions) to kill processes running on a specific port and start xampp [closed]

Can anyone help me? The program's objective is to kill the processes running on port 443 and to then start xampp automatically. What I've done: #include <stdio.h> #include <stdlib.h> ...
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29 views

How to run a compiled cpp file after booting up the system [duplicate]

I am using an arm v7 soc system which runs ubuntu very well. I can run my compiled cpp file (compiled with g++) perfectly from terminal by ./myproject. However i want code to start automatically ...
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15 views

conio.h header file giving an error during compiling C program in ubuntu [duplicate]

My code for a simple C program is #include<stdio.h> #include<conio.h> void main() { printf("This is demo program \n"); getch(); } when I am trying to run this c program. I am ...
7
votes
1answer
220 views

How to log bash history by editing bash source?

I'm using bash-4.3.30. I need to log all my commands history on a single file. I can do that by editing the bashrc or bash_profile but I'm not going to do that. I want to play with bash source ...
4
votes
1answer
278 views

How to compile programs that use term.h?

I try to compile the code below: #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <term.h> //#include "/usr/include/term.h" void clear_screen(void) { ...
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53 views

Setting up environment for Nvidia OpenGL Samples with Netbeans

As title, I would like to set up the environment for the Nvidia OpenGL Samples with Netbeans. You can find the SDK here In Netbeans I tried to choose the first one.. I gave it the directory with ...
1
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1answer
53 views

Abnormal behaviour of malloc() fuction?

I was playing around with alloc functions in my Ubuntu 14.04 64-bit, gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) and found that malloc returns memory with initializing it to zero. Which is quite weird ...
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1answer
24 views

Install Ubuntu on Drive C Only

How do I install Ubuntu on Drive C only? I backed up all my data on Drive D and I'm afraid that I might lose them all.
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2answers
172 views

GCC Fatal Error

everyone Here's my problem; So, I'm new to Ubuntu and programming and I just wanted to start with C. I created the classic "hello.c" file #include <stdio.h> main () { printf("Hello ...
0
votes
1answer
92 views

Ubuntu Kernel Source Code for NAT Firewall [closed]

In TCP Communication, when the packet is being transferred from ethernet to network(IP) layer, I want to print the data present in that packet? I am working on linux (ununtu 14.04). I got some ...
1
vote
1answer
359 views

How to run C program on 14.04?

I'm trying to run some C programs using Geany and Code::Blocks. After coding them, when I run them, a message is showed in the terminal like this: In Code::Blocks: sh: 1: /home/c program files/2: ...
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0answers
56 views

how to install GLU files in ubuntu 14.04?

I am running Ubuntu 14.04. I am trying to execute a opengl code in C in but during compilation it is not accepting glu files but my code contains it. how should I include glu files during ...
2
votes
1answer
138 views

Can't compile tiny C code which uses librsvg

I am almost complete noob in linux world and I use Ubuntu 14.04 LTS with gnome-session-fallback (compiz) under VirtualBox on Windows 8.1 machine. My goal is to use this library: ...
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0answers
146 views

CODEBLOCKS - warning: GDB: Failed to set controlling terminal: Operation not permitted

I've installed Code::Blocks 13.12 in Ubuntu 14.04 through official repositories. When I compile, everything goes OK. But when I debug, the following message is shown at the sheel: warning: GDB: ...
0
votes
1answer
43 views

Problem with compiling C code in terminal

I've been having a problem with compiling. I used the following test C code below and saved it as test.c in Home folder. #include <stdio.h> int main() { printf("Bruh!"); return 0; } ...
2
votes
0answers
191 views

Undefined reference error while using custom system call in kernel 3.19

I'm trying to import new system call in the kernel 3.19. I've followed the tutorial given here! This is my simple code to implement factorial calculation via system call. #include ...
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0answers
11 views

Move/associate window from one group to another

I'm looking for a cross linux way to move a window from one group to another group. I thought of and tried this way but it didnt work, i share a screencast showing it doesnt work. In this screencast ...
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0answers
23 views

Dissociate window from .esktop file and chane icon with XChangeProperty

This is copy paste code that can be compiled with gcc -o icon icon.c -L/usr/X11/lib -lX11 -lstdc++. It opens a new window and sets its icon with XChangeProperty on _NET_WM_ICON. This proves it works ...
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66 views

Compiling an individual kernel module (Debian/Ubuntu)

I need to modify the ELF loader's kernel implementation of an Ubuntu 14.04 distribution. Having downloaded the sources using: sudo apt-get source linux-image-$(uname -r) I ran the configuration ...
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34 views

Menubar appears on different location using GLADE3 and GTK3.0

I have program develop using glade3 and GTK3.0 and C It is working well yesterday. However today the menubar ( " File Edit View Help " ) did not appear in my application window but goes to the very ...