579 Topics
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I have written a bootloader in ASM (I can post code if you like) and I plan to write a kernel in C /c++ because I don't want to have to deal with a Kernel written ENTIRELY in ASM. Is there any way (Got to keep this under or at … |
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Hello! How would you make an Operating System with COSMOS? Heres what I want: * A boot screen, showing a progress bar with the current OS loading status * A desktop with customizable wallpaper * Mouse * A taskbar that shows open programs, a start menu, the time, the sound … |
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Good day All. I am a junoir server admin at an ISP in south Africa. We have a problem were one of our clients accounts on cpanel has been hacked. The scripts that were dropped on the server has cause the whole server to become unstable. I am looking for … |
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I'm running Arch Linux with the LXDE DE, if it matters. I want to be able to plug in my HP Deskjet F4480 All-in-One and be able to scan. I tried following instructions on forums by googleing, but came to no sucessful conclusion. I uninstalled all software I installed and … |
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i want to develop my own operating system based on open source, can any help me out that how i have to start??? |
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**NOTE** This code won't work at the application level. It directly addresses memory at 0xB8000 which will result in a segfault at the application level. This code must be part of an OS or an application in a not-so-secure operating system like DOS, where applications can directly address any part … |
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Dear ALL, This forum helps me much..and I thank you to everyone who makes this forum useful, even enjoyable. i'd like to ask to all of you, HOW TO CONFIGURE NTP (TIME SERVER) on Red Hat Linux.? I've been trying to setting the NTP across my network, but I never … |
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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 … |
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I've used malloc countless times, but as far as I know, reading and writing to memory that isn't expressly yours (which is in fact done by the malloc function) causes a segfault. If I wanted to make my own dynamic allocation functions my computer would probably just laugh at me … |
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Hi, I want to know how kernal communicates with the Linux operating system in terms of it's roles such as Interrupt Handler, Scheduler, Manager and Supervisor. Kindly assist. Thanks. |
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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 … |
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Hello... I'm new to Linux environment because of Windows.. So I would like to familiar with Linux/Unix environment also.. In this way I need to know something in Linux platform... major thing is still I don't know how many primary partition can be created in Linux platform.. is it same … |
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I currently have the following code for a sprite struct (c-style for use in DLL): typedef struct LABglSpriteTAG { unsigned int glTexture; int w; int h; LABglColour *data; bool compiled; }*LABglSpriteHANDLE; And the following function: void LABglSpriteConvolute(LABglSpriteHANDLE spr, int w, int h, int *kernel) { size_t dim=spr->w*spr->h; LABglColour *out=new LABglColour[dim]; … |
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Hi all, I have one question. I need to remove cent OS completely from my hard disk. I have installed windows 7 also. Total size is 320 GB. For windows 270 and for cent OS 70 GB. How to remove cent OS and allocate that space to windows7? |
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I am trying to run a python app which controls sevomotors. There is no handshaking, just a bit bang from pin 3 of the DB9 straight into a PIC. There is nothing showing on the oscilloscope: it's just flatlining. I do a dmesg grep | tty and get nothing at … |
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i am looking for intel video grahpics drivers in RED HAT ENTERPRISE LINUX 6, i want to use 3d features of Intel q963/q965 / GMA 3000 graphics in linux. i have searched on [url]www.intellinuxgraphics.org/[/url] but could not find way to install them on my pc. I also checked that Xorg … |
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Hi there, I am not sure if this is the correct forum for this, but I am currently working with an HPC machine for business use and it is currently running Ubuntu 11.04 (I have yet to update due to software incompatibilities). Anyways, some of the users would prefer to … |
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I use a eeepc and had ubuntu natty 10.** and all worked well but reverted to eeebuntu as not enough memory. I had a Kingston 4GB ext 4 formatted sd memory stick but now eeebuntu says that it can only read ext 3. So do I upgrade (and lose memory) … |
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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) |
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Hopefully my question is pretty simple... Currently I have an ubuntu server (I am not runny server edition, simply the 32-bit desktop distro), but when I built it I was not sure what I was doing with it just yet, but decided to have it as my low-wattage home media … |
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Okay, so I don't know much about this and maybe that is why the doubt. I am pretty sure there must be some precaution if some one tries to create (can say a virus) like this : [CODE] while(1) { /* creat system call. to create files continuously. Not difficult … |
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hi i have Linux knoppix 5.0 on CD, but not installed on my hdd. I'm not sure how my wireless card would work with my pc, but then again, i haven't really tried. I'm running the Linux platform from the CD itself, but I don't know if removing the Linux … |
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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 … |
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In setting up an embedded system, a Linux box needed to have a read-only root partition. However, the OS must be able to write to certain files (the drive was partitioned into /, /home, /tmp, /usr, /var with the only read-only being / ). So I created symbolic links to … |
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Hi all, Was wondering if anyone has had a similar problem.. at the minute I have a few Western Digital 1tb drives, that I have connected to a server running red hat 5 (RHEL 5), but for some reason they aren't showing up at all, even when I try df … |
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Hello, I'm building a new machine, but I've hit a road block. Perhaps someone with more experience could answer my questions. My road block is I want to build a computer that will last me for the next few years. That I can use for software development on multiple platforms, … |
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Hey Guys, I am trying to figure out how Linux determines whether an object in directory is a file or folder. There's got to be a property (I am guessing in Stat) that Linux references from which lets it know quickly. It's hard to find information on google because when … |
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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 … |
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Can anyone tell me how exactly does copy_from_user work....i mean other stuff apart from the checks tat are made regarding passing of valid addresses...etc...is there a VM mapping done.... |
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so my question here is when the parent exits before the child process...in linux....the reparenting is done within the same thread group rite!!??? ...and wots the role of the reaper..i mean after you find a suitable parent task..why is this reaper API called.. |
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