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Aug 28, 2010I think I put this in the wrong place
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Ubuntu :: Compile Parallel C Program With MPI Codes?
Jun 20, 2011I have a simple testing program like this:
/*The Parallel Hello World Program*/
#include <stdio.h>
#include <mpi.h>
[code]...
My program is, I can't compile this program using gcc, and I can't find something like pgcc in ubuntu. How should I compile this program? After compiling, what should I do to run this program? Can I use something like mpirun to run it? I want to try to use both cores of my computer to run it and make it shows Node 1 also besides Node0.
Ubuntu :: Can't Get Java To Install / Codes To Do That?
Jun 14, 2011I have installed minecraft on Natty. I just wiped and reinstalled to Maverik and now i cannot get Java to install, which i have to have to play minecraft. Are there other programs or codes to install Java?
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Jul 21, 2011I'm new to linux, and I've been following a paper [URL] to build a linux cluster using RedHat 5. I'm up to part VII step 5, installing the message-passing software MPICH2-1.4, and I'm not quite sure how to "execute the compile command 'make' to generate the binary codes of MPI."
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Sep 22, 2010I have modified /etc/issue with the following:
Code:
Today is d @
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Fedora :: Install Media Codes Under 11?
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Jul 28, 2010how to edit or add codes to ~/.bashrc?? and also what is this bashrc if anyone could explain... i have tried editing this bashrc without success... how to save the changes in bashrc...
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Apr 2, 2011I realized I can watch DVDs on my laptop. I tried the first DVD that I had tried it on, and it didn't work. I am thinking this may be something to do with region codes. First of all, how do I see which region code I am currently on? Secondly, how do I reset the region code? Is there any way to use multiple region codes at once?
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Apr 18, 2011I need to know the codes to reconfigure my graphics. While updating from v9.10, the graphics got misconfigured somehow.
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May 27, 2011I have no idea how to do this. There isn't an option in the GUI (though I believe there should be one) and Google hasn't told me anything.
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Feb 23, 2011i needed to implement leach protocol in ns2using linux redhat but i need the codes for leach protocol
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Nov 3, 2010I've got a 'nested' for loop which has a grep in it, if the grep fails there's no output - however the error code is still $0 and the second for loop is still entered, there's also a grep in the second for loop.I guess ultimately what i need to know is whether there's a way of making grep generate an error code. when no results are found?
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Mar 20, 2010I would like to be able to enter codes. I have pressed ctrl alt f5, 6 etc and get to the black screen which asks for username and password. I enter the username and password that I use to log in, but I keep getting the message telling me that they are not correct.
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View 1 Replies View RelatedUbuntu Security :: Testing Shell Codes In 10.10
Feb 9, 2011I am learning exploit development and learning some stuff about shellcodes now! The shellcode is absolutely right and have tested it. I am using the following code...(created by me) to run my shellcode..
Code:
// #include<stdio.h> we will not be needing this as we are not using any functions from the C library...Just basic logic of Pointers..
char shellcode[] = "x31xc0xb0x01x31xdbxb3x07xcdx80"; // basic exit shellcode
int main()
{ int *ret; // a simple integer pointer pointing a address
ret = (int *)&ret + 2; // change the address pointed by
(*ret) = (int)shellcode; }
Compiling :-
Code:
aneesh@aneesh-laptop:~/articles/C$ gcc test.c -o test -fno-stack-protector
Compiling gives no errors as expected..
Now the problem I am facing is that As I run the program :-
Code:
aneesh@aneesh-laptop:~/articles/C$ ./test
Segmentation fault
Strace output :-
Code:
aneesh@aneesh-laptop:~/articles/C$ strace ./test
execve("./test", ["./test"], [/* 37 vars */]) = 0 .....
set_thread_area({entry_number:-1 -> 6, base_addr:0xb78016c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0xf5e000, 8192, PROT_READ) = 0
mprotect(0x8049000, 4096, PROT_READ) = 0
mprotect(0x15c000, 4096, PROT_READ) = 0
munmap(0xb7802000, 81274) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
Segmentation fault
I have some feeling that its because the program has no access to the memory containing the shellcode (May be???)..
Ubuntu :: Can't Locate Codes For Operating System
Mar 16, 2011i have two doubts
1) i downloaded the latest linux kernel in hope that i will find the codes for the operating system the os but i cant locate any.so can any0ne tell me from where can i find what i am looking for?
2) c language used in the package i downloaded is though very close to the c i studied but there are places where it becomes tough for to comprehend the real significance of the lines. eg i never knew rhere is Display() a pre-defined function but i saw it somewhere as predefined.
General :: Basic Shell Codes Using C Language
Mar 10, 2010I'm doing my project on shell designing, so can I know the basic shell (any shell in linux) codes using c language with few commands implemented on it.
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Dec 11, 2008I have downloaded whole linux source codes of fedora in a dvd. There are several rpm packages and lots of directories in it. I want to load all source codes to version control system (svn or cvs) which is loacated in a server and develop it step by step .During this time I want to build my own distribution. So I need to know how to build all these packages at once. Is there anyone who can explain "how to do" to me
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Apr 4, 2011I wrote a c++ program but for security reasons I need to make sure that no one can read my codes by my ".out" files. I did everything I could. But everyone can see it by "strings Alpha.cpp".I heard that g++ has some options to do so.
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Jun 16, 2010I got some problems and need your help.
In school, my codes are writeen under UNIX system (Solaris10/SUN), now I need to transfer those codes to Linux (Redhat5). But after I directly copy to Linux, it shows many errors and warnings.
Does anyone know which codes I need to modify to specifily suit for UNIX? I am not familiar with those systems and hope to get your kind help.
Programming :: Need Exploit Codes For An Echo Program In C?
Mar 13, 2011I am a student taking part in a comptition. We have a set of questions to complete within today. Can anyone please help me out with it. I have a custom written "echo" program in C, running on port number "1220" which echoes back the first 16 characters of whatever is given as the first command line argument. But somehow, my brother had got unauthorized remote root access. The program is given below. How did he do it? Please give the exploit code and explain how it works.
#include
#include
void echo(char* input) {
[code]....
Ubuntu Installation :: Aircrack Ng 1.1 Cant Install Error Codes
Sep 13, 2010im trying to install aircrack and i keep getting this error code. I am completely new at this. I have ubuantu 10.10 or the latest edition.
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Apr 6, 2011I can't seem to get any of the alt-keys from my regular keys. (i.e. alt+(any key) does not give me the output that it normally should. For instance, I can't make the "does not equal" sign by pressing alt+= (alt+equal sign))Is there any way to enable all the keys in the MBP keyboard? Or am I just stuck without my dear alt-keys?
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Apr 2, 2010I'm trying to get this rather troublesome (and poorly made, I might add) game to work correctly, and right now it has frozen to a black screen with a frozen cursor. I can't figure out how to shutdown X, but while this game is frozen as it is, I might as well figure out what the process status SL+ means. If anyone has a link to a list of process status codes and their meanings
View 1 Replies View RelatedSoftware :: Reading (WordSAtar/WordPerfect 5.1) Formatting Codes?
Jul 20, 2010I have recently stumbled across some aged lecture notes that were posted to the Internet in the 1990s. And I now have the leisure to read them (and possibly derive some benefit from the reading).
The covering "ReadMe" states that the notes were originally written in WordStar and posted to the Internet as WordPerfect documents. The text is perfectly readable. But the supplied references have formating codes that mean nothing to my readers. An example is:
Plato explicitly says that the Good is "above being"
(i+5df8h-epe-i+5d'keina f8t^-yv oum0-i+9dh chapter s'-iav).
Is there any current reader that understands these code?
Programming :: Implement Some Part Of Codes To Use The GPU Of Graphic Card?
Sep 25, 2010I wish to implement some part of my codes to use the GPU of my graphic card but I have no idea whether GNU as already implemented it (as for OpenMP). I mean, there are PGI Fortran compiler which embedded CUDA but I figure it's not free. I also wonder if that works only with ATI graphic cards or if for instance I can use my Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller.
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Sep 23, 2010Allright so I installed Ubuntu a week ago, I realized by net is much slower on Ubuntu than on Windows. So I did some Googling and found out I have the wrong drivers.I'm trying to fix it from this link :[URL]When I try to write in Sudo codes into terminal they don't work. They ask for a password, I put mine in and press enter I get the following message :shayan@ubuntu:~$ sudo modprobe rtl8187shayan@ubuntu:~$
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Dec 26, 2010I just installed Ubuntu 10.10, and I really have no idea how to login. When I first start it up, it is a black screen and a lot of codes and stuff pop up. It says to login, so I do, but I don't know how to get past that. How do I get to the desktop? I have no one else to turn to...
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