264 Topics
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 | Hi Guys, Im actually assigned a task and in a nutshell i have to implement cache coherence on Android. Now I have messed around with system calls and threads, etc on Linux Ubuntu, but I have never accessed Kernel level Processes or changed protocols before, so im facing a bit …  |
| | Hey, so I'm having some difficulty getting my make file to work. When I try to make, I get this: [CODE]andrew@Samantha ~/Documents/OS_Projects/Chapter 6 $ ls Makefile Makefile_old semaphore.c andrew@Samantha ~/Documents/OS_Projects/Chapter 6 $ make make -C /lib/modules/2.6.38-8-generic/build SUBDIRS=/home/andrew/Documents/OS_Projects/Chapter 6 modules make[1]: Entering directory `/usr/src/linux-headers-2.6.38-8-generic' make[1]: *** No rule to make target … |
| | I've got Open SUSE 11.4 and Ubuntu 10.10 now installed on the same machine now, but I need to edit the GRUB so I can boot into them. I can boot into OpenSUSE fine, but since it overwrote the Ubuntu bootloader, I can't seem to get it to boot into … |
 | I realize this will very likely be a short thread, but it is a question that has been eating at me for a while. I have just started taking a Java class (basic introduction) and so far I am loving it. Primarily I am a web programmer, so the only …  |
 | My "[URL="http://www.daniweb.com/news/story229382.html"]10 Best Linux Distributions of 2009[/URL]" list drew a bit of disdain from some of my readers, so I thought I'd make it up to them by posting a list of Linux distributions that [I]they[/I] like to use. Since I have no way of knowing which of these distributions … |
| | Hi folks, I’m having a doubt in the mounting of floppy in my application. mount(“/dev/sdc”(source dir), ”/fdHD/0/”(Our dest dir) "vfat", l_uReadWrite | MS_SYNCHRONOUS, NULL); This is the system call which we are using to mount to mount he floppy to our desired folder. When I use this system call it … |
 | Let me start off with this disclaimer: [B]This scenario is completely contrived.[/B] The scenario proposed is analogous to an actual problem that I am trying to solve. Problem: I'm going to cheat on a test that uses Scan-tron style cards. I've stolen the test before it was handed out and … |
| | I have an JOGL based opengl program that uses textures on flat surfaces. After a texture is put on a surface, it will eventually crash. If the textures are small, it takes a while. I managed to reproduce it with a simple program: [CODE] package org.yourorghere; import com.sun.opengl.util.Animator; import com.sun.opengl.util.texture.Texture; … |
| | Just some random thoughts :) DOS runs natively in 16-bit Real Mode. EMS, and Himem, memory managers (to my best knowledge) provide their services by jumping in and out of Protected Mode. 32-Bit Protected Mode programs use a DOS extender to jump into Protected Mode, and provide 32-Bit services. A … |
| | I stumbled across an interesting interview with Linus Torvalds over at [URL="http://apcmag.com/7012/linus_torvalds_talks_about"]apcmag.com[/URL] in which the man himself would appear to be confirming that there will be no Linux kernel 3.0 The first hints are given when he responds to a question concerning why the 2.6 kernel has been around for …  |
 | our arm9 board kernel os version is just able to support 2.6.13 or below. and we fail to update the new kernel os version. So we decide to find a arm-linux-gcc version that fit the kernel os version. Anyone knows which arm-linux-gcc version fit? we tried arm-linux-gcc 4.4.3 and 4.3.2. …  |
 | 1.I am wondering since the kernel is open source, how can RHEL ask for money? Why is it legal to charge since it's based on open source code. 2.If I wrote a prgram based on GPL software or library, can I ask for money and didn't distribute the code?Is there … |
 | The last time I always hear of new devices (Android OS, Kindle OS, Chrome OS etc) that are built with the linux kernel. I have seen the Kernel source online and also understand the basic OS theory but what I do not understand is how would I take the Kernel … |
| | Recently, I was given 2 unit of Dell PowerEdge computer with Intel Pentium 4 processor running at 2,4GHz, 256MB RAM and a 40GB hard disk. It was install with a Linux OS but I don't know what Distro it is. When power on it show bunch of text and it … |
| | Dear friends, I am trying to compile the linux kernel 2.6.33. I need to incorporate a patch into this. The patch creates a directory and 3 src files as below, [CODE] ~/linux-2.6.33/net/core/[B]netchannel[/B] ~/linux-2.6.33/net/core/[B]netchannel/netchannel.c[/B] ~/linux-2.6.33/net/core/[B]netchannel/storage.c[/B] ~/linux-2.6.33/net/core/[B]netchannel/users.c[/B] [/CODE] Now, among the above users.c file uses a function named 'get_empty_filp()', which is defined … |
 | why is it every time i load a new distro i never find one that has default FFS support? why is it however that virtually/probably every distro out there comes ready to read proprietary FAT(FAT16), VFAT(FAT32) and NTFS partitions but not non-proprietary filesystems such as FFS?!? *BSD are opensource too …  |
| | Hi. As Android is based on Linux kernel so I was wondering it must be possible to access shell, but how ? By any means is it possible to go into shell prompt of any android based phones ( production version). |
| | How to compile linux i put the kernel in a sony memory stick pro duo i need real help i know C++ but not linux Thanks In advance  |
| | Hi, Actually i want to start a major project for my GRADUATION ,so i want to write a lot of code to make a new platform or distro using existing linux kernel. Can anyone help me ? I mean any one who able to tell me from where i start … |
| | Hi all, I write because I am struggling with a very strange thing. I have this class: [CODE] static const long POINTS_VERY_FEW = 100; class Bin2DSphere { /*! Class for 2-dimensional binning on a sphere */ public: string Name; double PhiMin; /* Minimum value of Phi */ double PhiMax; /* …  |
| | I recently purchased a Linux VPS the following specs. Operating system: CentOS Linux 5.5 Webmin version: 1.520 Kernel and CPU: Linux 2.6.18-028stab070.4 on x86_64 Processor information: Intel(R) Xeon(R) CPU E5630 @ 2.53GHz, 16 cores Real memory: 512 MB total, 361.74 MB used Local disk space: 30 GB total, 3.62 GB … |
 | I am an it support technician and we recently purchased a dozen Acer vm480g's. When i used my Acronis 9 to image the drive it was successful but when i reboot after completion it errors that it can not find the linux boot kernel. Our image is built on xp … |
| | I wrote a small hello world type of character device driver. When I type echo -n "abcdef" > /dev/bond and do a cat /dev/bond then only last "f" of above input abcdef is displayed rest nothing is displayed. I have experimented many things but I am unable to catch the …  |
| | KQ Infotech Pvt. Ltd. is a globally focused software development and consulting firm headquartered in Pune, India, with core expertise in the field of systems and storage. Being a pure technology company, KQ believes in applying innovation to evolving technologies, the resultant of which is some highly ground-breaking products like … |
 | hi all, I have a Dynabook SS 2010 lappy.I already installed the debian on it. But it seems to be slow. I need a linux version that is something optmized for my laptop.Anyone who is using Dynabook SS 2010 here? Share your ideas. I started with the dsl. But it … |
| | Hello everyone, My name is Roni M. Oliva I am from the island of Guam. I spent 12 years in the U.S. Army as a research and development tech where I saw the wonders of bring together several weapons system with my friends at White Sands Missile Range in the … |
| | Hi I will be getting into some linux kernel programming and network internal. Please tell me which is the best Linux distribution to install on my computers for making drastic changes to the TCP/IP stack and making new features, and possibly distributed computing? Drastic changes includes adding new protocols but … |
| | /* * hello−1.c − The simplest kernel module. */ #include "/usr/src/linux-headers-2.6.31-16-generic/include/linux/module.h" /* Needed by all modules */ #include "/usr/src/linux-headers-2.6.31-16-generic/include/linux/kernel.h" /* Needed for KERN_INFO */ //#include "/usr/include/linux/module.h" //#include "/usr/include/linux/kernel.h" int init_module(void) { printk(KERN_INFO "Hello world 1.\n"); /* * A non 0 return means init_module failed; module can't be loaded. */ return … |
| | Gentoo has long been a distribution aimed towards the power Linux user. It allows users to foray into the inner workings of their computers, emphasizing total customizability for optimal performance and minimum size. It is not for users who are looking for an operating system as soon as possible. Installations … |
| | Hello Forum: I am working on a load balancing project. The type of routing I am implementing is direct routing (LVS-DIR). The following is a script that sets up the Linux Virtual Server (LVS) or the load balancer: #!/bin/bash #description: manages load balancer #chkconfig: 35 20 80 #processname: lvsdr . … |
| | Hi, I am currently in 2nd Year MCA(Masters of comp. application). I want to become an information security expert. Ethical Hacking has been a favorite subject for me since my beginning days in computers. My current knowledge base is: 1>Languages:C/C++/Java/Python, Assembly(both AT&T and Intel x86) 2>Networking:Only basics(both theory & programming).(from … |
| | Hello, I need to implement a lightweight transport layer protocol in Linux-Kernel as part of my project. Could you please suggest some books or references that explains about implementation of TCP in linux? Thank you.. Thanks, Bala |
| | PLEASE HELP ME WITH THIS QUESTIONS, I AM NOT POSTING MY WHOLE HOMEWORK BUT ONLY THE QUESTIONS WHICH I AM NOT SURE ABOUT. 1)What command will set the permissions to 744 on the file /home/fred/.bash_logout Choose one answer. a. chmod a+r,g+r,o+r /home/fred/.bash_logout b. chmod u+rwx g+r o+r /home/fred/.bash_logout c. chmod … |
| | Hi. I'm having a little trouble figuring this problem out. What I need the program to do is take an email inbox and print out only the Headers for each message. Assuming each max line length to be 1024. I can read the file line by line but I don't … |
| | İs it possible now to use a system call in module programming ? after I "make" the module below I am getting warnings like that no errors WARNING: "sys_getcwd" [/home....mod/mod01/mod01.ko] undefined! [code] /* * hello-5.c - Demonstrates command line argument passing to a module. */ #include <linux/module.h> #include <linux/moduleparam.h> #include … |
| | I'm running Arch Linux on an x86_64 system with a patched 2.6.33 kernel for bootsplashing, shouldn't affect what I'm doing. I'm trying to print out a number to the screen. I'm fairly new to assembly, and I don't really know my way around convention or other things to make it … |
| | All right, here's my situation. I need to create an application (C language) that uses some of services provuded by unix kernel. I do not really want to install linux on my hard drive just for that. So I am looking for a tip on distribution that is suitable for …  |
| | Hi to everyone on this great site! I have been learning assembly since the last semester. They taught use assembly there in real mode in DOS using some age old book and masm. Then by my interest I picked the subject again now and learn it using AT&T syntax and … |
| | I want to know how a read/write calls is accomplished in linux? I mean how a function say read() will read the data from a file. What all will be the steps from user mode read() function call to kernel mode? Will anybody explain the steps or let me know … |
| | Canonical's Ubuntu 10.04 LTS Server Edition features the ideal deployment platform for Linux server workloads and cloud computing Long-term support (LTS) version of popular server operating system generally available on 29 April. [B]LONDON, April 27, 2010:[/B] Canonical today announced the upcoming release of Ubuntu 10.04 LTS Server Edition which includes … |
| | I'm placing this thread in the hope it may be useful to the FLOSS, in case it gets due attention and interest. In a recent Ubuntu review, made in the Washington Post, the author concluded in this way: "And that's an important thing to remember when talking about glitches in … |
| | I've been working on this paper for a while now, thinking I'm going down the right path only to find out it's wrong the night before it's due. Can someone tell me what I/O management is exactly? I was told I should be looking up the I/O architecture and figure … |
| | Who says you don't get something for nothing? Certainly not the good people over at [URL="http://www.linuxfoundation.org"]The Linux Foundation[/URL] (TLF) who're offering free [URL="http://training.linuxfoundation.org/lp/sign-up-for-the-free-linux-training-webinar-series"]Linux training[/URL]. TLF is doing its part for the worldwide Linux community by offering this free training plus the [URL="http://jobs.linux.com"]Linux Jobs Board[/URL] and all of its [URL="http://www.linuxfoundation.org/programs"]other services[/URL]. … |
| | Hi, I'm trying to follow the pocket Linux guide to make a really basic floppy based distro. I'm trying to compile linux-2.4.37.9 as per the tutorial on ubuntu 9.04 with gcc-4.1. I tried using 2.6.* but it was just to big to fit on my floppy. Here is the error …  |
| | Hello Everyone, I am developing a kernel module which acts as a sniffer and also a module which edits the TCP packet window size as per requirement of the admin. And in the process I developed this kernel module which is tainting my kernel (Opensuse11.2).The sniffing module developed by me … |
| | I have installed the latest Ubuntu for notebook on my Acer Aspire 4715Z Pentium Dual-Core for last several months- working very smoothly & enjoying the "new world." I thought I never need to go back to Windows(rarely) - but yesterday as I updated the Update Manager and restarted it as … |
| | Write Your First Application On Win32 ===================================== What is Win32 :-) win32 is an plactform that like J2ME and J2SE means that it have it's memory model and have a architure and have those Applications programming interfaces to call to the operating system . Like the APIS in the java …  |
| | Memo.h: [CODE=cpp] #ifndef _MEMO_H #define _MEMO_H #include <stdlib.h> #include <string> #include <typeinfo> #include <iostream> #include "Date.h" #include <map> #include <vector> using namespace std; class Memo { public: map<Date, vector<string> > Appointment; //void delMemo(int x); void addMemo(Date myDate,string x); }; #endif /* _MEMO_H * [/CODE] Memo.cc [CODE=cpp] #include <stdlib.h> #include <string> … |
| | Hi all, I'm an Assembly newby and am studying Jeff Duntemann's book on programming Assembly on Linux. As much as I love Assembly and I have to learn it if I want to do anything significant in IT since it's part of a journey, I am finding difficult to get … |
| | Hi friends, I have installed ubuntu 9.04 in that i have install DRBL package installtion is done correctly but when i run LANG=C sudo /opt/drbl/sbin/drblsrv -i it gives *****************************************************. Hint! When a "yes or no" option is available, the default value is uppercase. E.g. (y/N) the default is "N", so … |
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