264 Topics
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| | I am interested in technology, however I do not wish to go to university and after stumbling upon the MIT Challenge, I have taken it as a proof of concept. Clearly education is changing, and I would like to take a less traditional route. But before I go too far, … |
 | OK, I have a very strange problem which recently started on my laptop (running Arch Linux) and it's got me really stumped! Basically my battery ran out whilst I was away from my laptop and it shut down... Which shouldn't really be a problem. But when I plugged my laptop … |
| | I've discovered a weird problem with my Linux Mint-system (Linux Mint 18). After rebooting my system (or restarting as well) I got the GRUB menu, but my keyboard is not responding... So I have to wait for the timeout to get my system booted. The keyboard is wired to the …  |
| | I love to play games and till now I have found out only windows based games and gaming platforms (for PC) there are no or very little games, and very little is thought about game development with linux OS's why so?? Why do people like to develop games for windows …  |
| | I want to use my Linux Mint 18 (kernel version 4.4.0-62) computer to record music/recordings from (old) cassette tapes to disk using Audacity version 2.1.2. I'm using a cable between the headphone output of the cassette recorder to the input line of my computer, and I want to be able …  |
 | Hi, As you all know that, Android is a mobile operating system based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets. While working on Android applications, I encountered an issue where I need to create a verticle bargraph which can be rotated …  |
| | I have an older Toshiba Satellite laptop with Linux Mint OS installed. It pretty old and it's starting to show as it's getting slower. It's got a bigger screen and it's even got the num pad on the right of the keyboard in addetion to the numbers at the top. … |
| | Hi, I am connected to my internet router and my satelite set-top box using TP HomePlugs. My desktop computer is on the first floor, while my router and set-top box are on the ground floor. Sometimes I loose connection to my router, but not my set-top box. The ethernet interface … |
| | Can mkdosfs create bootable FAT like file system on linux? I don't know if mkfs.fat can create bootable a FAT file-system, but the man page says that can't. The plan is to create a small basic kernel with bootable FAT 12. The man page says for mkfs.fat: mkfs.fat can not … |
 | Greetings, I am a windows OS user, however, I installed a VMware and I need to install Linux OS on a virtual machine. I searched for Linux official website to download the lastest version of the OS from it and unfortunately I did not find, or I could not be …  |
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| | hi guys, I'm new to assembly alnguage. I hanve installed NAM in my ubuntu linux. I'm trying to execute a .asm file in NASM using command , nasm -f elf32 <filename.asm> -o <filename> I'm getting follwing error when I'm using this command, kernel.asm:9: error: parser: instruction expected How can I … |
| | The title is a take on Douglas Adams' quip in Hitch Hiker's Guide to the Galaxy, when the Earth was about to be plowed under for a hyperspace bypass, and the only really intelligent species on the planet, dolphins, squeaked "Goodbye, and thanks for all the fish!" as they left … |
| | I have just started developing and writing linux kernel modules and device drivers. I am having a lot of trouble understanding new data types that I haven't encountered while writing application programs. For instance, I am having difficulty understanding what is the purpose of size_t, ssize_t, loff_t etc? Why use …  |
| | Is there any way to make an operating system that can be capable of fixing itself if it crashes. If not, what operating system crashes the least. We're thinking of coding around the linux kernel, but we want to explore the first option. |
 | Whenever i try to install any linux os i got this message: By usb: SYSLINUX 4.06 EDD 4.06-pre7 Copyright (C) 1994-2012 H. Peter Anvin et al By cd/dvd: SYSLINUX 4.05 EDD 0x4f5727e3 Copyright (C) 1994-2011 H. Peter Alvin et al Could not find kernel image: boot/syslinux/whichsys.c32 boot: _ Plz help … |
| | I'm planning to set myself a target for future. Something that I'll thrive to learn and create and if it doesn't succeed I can blame you (just jokin'). So I thought about creating Linux GUI, I mean, I have kind of idea on how GUI should look like, I've got … |
 | Hi i'm a newbie here & my questions are : 0- *what should i know to develop a library like the C standard library and if im thinking of building my own OS "im just dreaming" should i create a NEw C for it cause as we know C for … |
 | My old hard drive with Linux Mint 15 Olivia refused to boot yesterday: kernel panic etc. I tried to repair the file system and now some shared libraries are missing. On this computer, I have a brand new second hard drive with Kubuntu 13.10 freshly installed. From this OS, I can … |
 | System Administrators (SAs) have a tough job: Dealing with users and user accounts, security, patching, updates, upgrades, disk space, performance and other miscellaneous tasks often known as "other duties as assigned." For some SAs, the day never ends. Despite the challenges, pitfalls and occasional irate user; system administration is a … |
| | Is swap space in Linux, something like reserved RAM? Which avoids to display spikes and calculation lag? Offcourse I know, I can't use 2GB RAM program, on 1.5GB RAM computer with 2GB swap. But, if I use 2GB program and go for one calculation that uses in fact 2.5 RAM. … |
| | Hi how can we compile linux kernel with CONFIG_SECURITY_CAPABILITIES=y ?? Also what does this flag do ?? Trying to run ntpd in non-root mode ~cheers |
| | Howdy Friends; I have just started learning assembly, and am currently working with NASM, in Linux. I am not creating anything close to advanced, yet because I would like to know if I am on the right path with what I am learning. The code that is posted below is …  |
 | Hi Im working with the old exercise in python and I need help please. The goal of this exercise is to extract information and statistical data from a log file. You can use the logfile generated by the linux kernel. You should write a python code which gives the following … |
 | I want to edit linux os, How should i edit? please help me! |
 | package wow; import java.io.PrintStream; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.Scanner; public class Wow { String question; String answer; int correct=0, number=15; Wow[] quizBank = new Wow[15]; List<Wow> quizList = Arrays.asList(quizBank); public static void main(String[] args) { Wow bank = new Wow(); bank.bankList(); bank.askQuestion(); } //end main public void …  |
| | Dear All, I am trying to install pf_ring on centos 6 using its user guide. I am stuck at page 10 for this command [ICODE]$ cd <PF_RING PATH>/userland/lib $ ./configure $ make[/ICODE] I get this error [CODE] make ar x libs/libpfring_dna_x86_64.a ar x libs/libpfring_mod_virtual_x86_64.a gcc -g -Wall -fPIC -I../../kernel -I../../vPF_RING/guest/kernel … |
 | I'm running through a Ubuntu Auto install project. Using this as the starting point https://help.ubuntu.com/12.04/installation-guide/i386/automatic-install.html I'm hitting a wall here regarding the root device. I'm thinking it has something to do with the partitioning. Here is my very simple preseed file: d-i debian-installer/locale string en_US d-i console-setup/ask_detect boolean false d-i … |
| | ***Hey y'all I have been trying to compile the kernel version 2.6.21.7 in fedora 14 32-bit which already has 2.6.35 version.Need multiple kernels for a project :) Yeah,so when i run the make oldconfig command,i get the issue that says ::: "Makefile:412: *** mixed implicit and normal rules. Stop." I … |
 | Hi, I installed Gentoo Linux, build the kernel with "genkernel", and copy the image file into the /boot folder, also I installed grub. It all works fine. What confusing me is that now I cannot find the kernel and grub under the /boot folder, the folder is empty. I did … |
 | Why is it people who have never used Linux are so sure it is not any good? The impression I get from most of the people I run into running Windows Server is that they are experts on how Linux does not have the same capabilities as Windows. They seem …  |
| | #include <asm/uaccess.h> #include <asm/system.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/socket.h> #include <linux/in.h> #include <linux/inet.h> #include <linux/netdevice.h> #include <linux/fcdevice.h> #include <linux/skbuff.h> #include <linux/errno.h> #include <linux/timer.h> #include <linux/net.h> #include <linux/proc_fs.h> #include <linux/init.h> #include <net/arp.h> |
| | Im starting kernel programming and need info on the read and writing function to a /proc file. When a program writes to my /proc module, I need to store the contents. When I read the contents of the /proc file, it only return the most recent entry, and not the …  |
 | There is a piece of code in Linux Device Driver 3rd edition: #undef PDEBUG /* undef it, just in case */ #ifdef SCULL_DEBUG # ifdef __KERNEL__ /* This one if debugging is on, and kernel space */ # define PDEBUG(fmt, args...) printk( KERN_DEBUG "scull: " fmt, ## args) # else … |
| | Hi, I wanted to get into driver dev. While reading a book on driver dev it was mentioned that it is better to work of a mainline branch from kernel.org instead of a linux patch as they usually change the kernel api? Has anyone had problems do general linux driver … |
| | Below is the ip_options_build() in linux kernel 3.4, line 51 and 52: 51 if (opt->srr) 52 memcpy(iph+opt->srr+iph[opt->srr+1]-4, &daddr, 4); I understand that the two lines say, if source routing option is present, copy the destination address to the end of the option, that suggests that iph[opt->srr+1] is the length of … |
 | Hi all. the Lunatic here. Running an ACER aspire 5250 (stock) with Win7home. Attached a 250GB WD external hd with usb adapter for storage/ space. HAD stupidly forgotten the network password for the dang drive, so i can't get in without resetting that.....but cannot for the life of me remember …  |
 | evrything was fine until i inserted 100 to 125 lines in code. i am wondering what kv is doing wrong as it is not even printing that version file was opened.. any sort of help is appreciated. files included in the code are given below for reference. proc/version file: ** …  |
| | http://www.linuxfromscratch.org/lfs/view/stable/chapter06/glibc.html Above is a list of commands from the LFS project. I'M building a script for this page I want to be sure I'M not fraking this up. Please pay special attention to the following: sed & unset - at the top case & esac and the threee cat & … |
| | I'm confused with the function: void * page_address(struct page *page) which (1) "convert a given page to its logical address" according to "Linux Kerenl developement 3rd edition" (2) "returns the linear address associated with the page frame" according to "understanding the linux kernel>>" (3) "returns the physical address of the … |
| | Source code **NASM** on **Ubuntu 12.04** This demonstrates Input/Output algos using syscall and how they can be implemented in a fairly condensed loop. These routine do not conform to any specific call convention and without modification won't interface with higher level languages. My code is stand alone assembly and doesn't … |
| | # Can You Program like McGee in NCIS # I was watching a NCIS rerun and started to wonder about McGee's superhuman programming skills. He sat down in front of a random computer in a suspects house, and yet again, within two to three seconds he hacked the system. This … |
| | I've been having a problem where all programs would stop responding - even Windows Explorer. When this happens, I can still switch between processes, but when I try to do anything in the new process, it stops responding also. This continues for up to 5-10 minutes after which it either … |
 | Hi Guys, I am trying to flash ROM memory with Linux Kernel 2.6.39.4 with busy box I have following hw and requirements 1/ Using intel's Atom E660T process which only can go upto 32bit no more. 2/ On board 8MB of ROM eMM connected to SPI0 bus and like to …  |
| | Hi all. I am just beginning to play with Linux, so I have some very noob-ish questions. I am using the Cygwin console on a Windows 7 computer, connecting to a server running a Gentoo kernel. At the moment, I am exploring some of the *real* basic commands: cp, pwd, … |
| | Hey, I could use some advice on what to do, what to read, what to mess around with, so that I could understand the Linux Kernel more. Thank you anyone who responds (unless your name is Salem) |
| | Hi everybody. I am new to Network programming, i need some help :) I have 4 "Intel Corporation 82574L Gigabit Network Connection" ethernet adapters on sandy bridge system. I'm using Linux kernel 2.6.35.10. While i'm passing traffic from iperf software on any of ethX port and disconnect ethernet cable of … |
| | Hi all, I am a newcomer with linux. Now,I am trying to install lifescope software but I have problem to do that. Below that my way to install software: [CODE] beowulf@n000 ~]$ tar -xzf LifeScope-2.5.r0-97271_20111110010925.tar.gz [beowulf@n000 ~]$ make install cat install.sh >install chmod a+x install [beowulf@n000 ~]$ [/CODE] Log file … |
 | Hi all, I have a Pentium 4 with hyper-threading on my Slackware machine. Currently I am running the non-SMP 2.6.24.5 kernel, but I want the option to be able to boot with the 2.6.33.4 SMP kernel as well. I already have Lilo installed on my computer and have a large … |
 | Hello! I am currently looking for some help or ideas in a specific area of Python programming. The project I am having problems with pertains to python print drivers, and printing in a Linux OS. I had originally wanted to find a way (if possible) to write a python print … |
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