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• How do I make a Minecraft kiosk for portable USB drive that boots on most computers

  - by user2044589

  Some time ago, someone referred me to a cool website called Rapid Rollout. It worked fine until I tried to install an OS onto a netbook. To put it short, it didn't work as well as I expected it to. It also didn't install USB flash drives. I'm trying to build a system (or use a service that would create a system) that would open up the Minecraft Launcher (jar) and show it in full-screen with no background. It would also all have to fit into 8 Gigabytes (as this is the most that I can use right now). How can I accomplish this?

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• Fresh install of 64 bit 12.04 over 32 bit 11.10 alongside Windows 7

  - by Pareen

  I currently have Ubuntu 11.10 32 bit and Windows 7 dual boot in separate partitions. I am trying to do a fresh install of Ubuntu 12.04 64 bit (mistakenly installed the 32 bit 11.10 a little while ago.. I need a 64 bit version to support AOSP build) OVER my the exisiting 11.10 partition. I have referenced How to Install fresh 12.04 install to a PC with dual booting Windows 7 & Ubuntu11.10?, as well as other posts on using the Live CD to do a fresh install. However, the problem I am experiencing is when I bring up the install screen, it says the following: This computer has multiple operating systems on it. What would you like to do. (3 options) Install Ubuntu 12.04 alongside them Replace all with Ubuntu 12.04 (Warning, this will delete files across ALL operating systems) Something else (you can create or resize partitions yourself) This is different from what is in other posts, as mine states that there are "multiple O.Ses" and doesnt individually allow me to replace the Ubuntu 11.10. I don't want to replace ALL O.S.es: I need to preserve Windows 7 and am only trying to replace the old Ubuntu 11.10 partition with the new 12.04 64 bit. I did have Ubuntu installed via Wubi (I believe it was 10.04) prior to putting 11.10 in a separate partition, but I have removed it via Add/Remove programs in Windows. I was wondering how to go about doing this... Should I use the "Something else" option to bring up the partition manager, and just assign my existing 11.10 partition with root mount point + swap space. Will this do the same thing by overwriting with fresh 12.04 install?? I appreciate all your help.

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• Dropbox.py on RHEL 6

  - by Timothy R. Butler

  I'm trying to run a headless install of Dropbox on RHEL 6. The daemon seems to be running, but when I try to use Dropbox's associated dropbox.py tool to control the daemon, it fails to run with the following error: Traceback (most recent call last): File "./dropbox.py", line 26, in <module> import locale File "/usr/lib64/python2.6/locale.py", line 202, in <module> import re, operator ImportError: /home/dropbox/.dropbox-dist/operator.so: undefined symbol: _PyUnicodeUCS2_AsDefaultEncodedString I'm running the current RHEL build of Python 2.6: root@cedar [/home/dropbox/.dropbox-dist]# rpm -qv python python-2.6.6-29.el6_3.3.x86_64 (I'm not sure if this would be better suited to Stack Overflow since it is on the verge of being a programming issue, but since I'm trying to use a program straight from Dropbox, I placed it here.)

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• Expanding development team for a startup

  - by acjohnson55

  I'm a software developer and co-founder of a start up that's in a sprint to launch a web app the next 2 months. We have about 3 months of burn time we have before we need to get some funding. By that time, we want to have a product with active users, and ideally some revenue. I'm fairly confident that I can accomplish the task by myself, but I have also never launched a project of this magnitude. The better product we can build in this timespan, the faster we can grow our user base, and the better our fundraising options will be. So I'm looking to bring someone onboard to hack with me. Maybe more than one person. Good help is hard to find, as we all know, and while I'm willing to share equity, I also want that to be contingent on a productive fit. What is the best approach to a trial-type framework for hiring another developer? Something where the other person feels that their work will be rewarded if they do well and that they can't be left empty-handed at my whim, but where I know that if it turns out not to be a good fit, I can pull the cord without significant loss?

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• Weird bug in Visual Studio 11 Beta when running on Windows 8

  - by raccoon_tim

  With the Windows 8 Consumer Preview version out in the open and the Visual Studio 11 Beta also available, I’ve been putting some more effort into trying them both out. The first impression of the new Visual Studio 11 build was: Why doesn’t it work at all on Windows 8?! The issues I encountered were odd to say the least. Visual Studio did install correctly, which was a good sign, but when I started it, I was greeted with a multitude of popups each telling me that some package could not be loaded. So I clicked away for quite some time to finally be greeted by the new default visual style of Visual Studio. The next thing I wanted to do was start a new project so I pressed “New Project” and got the “Microsoft.VisualStudio.Dialogs.DialogInitializationException” exception. After some pondering and even submitting a bug report I found another already reported bug “http://connect.microsoft.com/VisualStudio/feedback/details/727578/vs-do-not-work-with-finnish-number-format-on-w8-64-bit”. It turns out that the dialog initialization failure has something to do with the packages no being loaded and following the presented workaround helped. The trick is to change the negative number sign to “-“ (U+002D) from the additional settings of your regional settings. This issue appears to have a wider reach than just Visual Studio as I heard at TechDays Finland 2012 that the same fix has to be made when using Hyper-V.

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• Material System

  - by Towelie

  I'm designing Material/Shader System (target API DX10+ and may be OpenGL3+, now only DX10). I know, there was a lot of topics about this, but i can't find what i need. I don't want to do some kind of compilation/parsing scripts in real-time. So there some artist-created material, written at some analog of CG. After it compiled to hlsl code and after to final shader. Also there are some hard-coded ConstantBuffers, like cbuffer EveryFrameChanging { float4x4 matView; float time; float delta; } And shader use shared constant buffers to get parameters. For each mesh in the scene, getting needs and what it can give (normals, binormals etc.) and finding corresponding permutation of shader or calculating missing parts. Also, during build calculating render states and the permutations or hash for this shader which later will be used for sorting or even giving the ID from 0 to ShaderCount w/o gaps to it for sorting. FinalShader have only 1 technique and one pass. After it for each Mesh setting some shader and it's good to render. some pseudo code SetConstantBuffer(ConstantBuffer::PerFrame); foreach (shader in FinalShaders) SetConstantBuffer(ConstantBuffer::PerShader, shader); SetRenderState(shader); foreach (mesh in shader.GetAllMeshes) SetConstantBuffer(ConstantBuffer::PerMesh, mesh); SetBuffers(mesh); Draw(); class FinalShader { public: UUID m_ID; RenderState m_RenderState; CBufferBindings m_BufferBindings; } But i have no idea how to create this CG language and do i really need it?

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• If I send an IPA over TestFlight, can it be used to deploy to the app store?

  - by Reid Belton

  I am currently working for a small startup. I was previously under contract, now I am working for equity (no pay). The thing is, there is not yet a signed agreement in place as the details are being worked out. I may finish development before the contract is ready. I'm not currently under any contract or agreement, so the other party doesn't have any legal claim (that I know of) to the code I'm writing now, other than NDA (which just precludes me from cutting him out and releasing on my own). He already has the old code that I wrote under contract. I've made it clear to the other party that I won't submit the app or turn over the code until there's something signed to protect my interests. I've stopped pushing commits to the company repo (I'm now the only developer actively working on the project). However, I would still like to send builds over TestFlight for feedback and testing purposes. The other party has access to the developer portal and iTunes Connect for code signing, etc. Things are amicable and I don't foresee getting burnt on this, but I'm not going to put myself in that position. My concern is that if I send a finished build via TestFlight, it could be extracted and submitted to the app store without my participation. They wouldn't have the source for future maintenance and updates, of course, but it could be reverse-engineered by another developer later working from the old code base. Is this technically feasible at all? If so, is there a way I can send builds for testing while protecting my interests?

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• I still can't figure out how to program!

  - by Mark K.

  Please help! I've read lots of programming books for various languages, Java, Python, C, etc. I understand and know all of the basics of the languages and I understand algorithms and data structures. (Equivilant of say 2 years of CompSci classes) BUT, I still can't figure how to write a program that does anything useful. All of the programming books show you how to write the language, but NOT how to use it! The programming examples are all very basic like build a card catalog for a library or a simple game or use algorithms etc... They dont't show you how to develop complex programs that actually do anything useful! I've looked a open-source programs on sourceforge, but they don't make much sense to me. There are hundreds of files in each program & thousands of lines of code. But how do I learn how to do this? There's nothing in any book I can buy on Amazon that will give me the tools to write any of these programs. How do you go from reading Intro to Java or Programming Python, or C Programming Language, etc.. to actually being able to say, I have an idea for X Program.. this is how I go about developing it? It seems like there is so much more involved in writing a program than you can learn in a book or from a class. I feel like there is someth Can anyone put me on the right track?

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• Has anyboy been able to install Pantograph for Blender on Windows?

  - by S.gfx

  I am specially interested on if somebody is actually doing/maintaining an installer for Windows, as there are quite several issues when installing all dependencies, etc. (for example, there might be someone already doing a Installbuilder installer for it and am just not aware of the matter) If not, at least if someone got it working and has some key tip to share. I am never able to fully get it all up and running. I'd love to have a not super complex way to install each new build of this great vector rendering module for Blender. Edit- Pantograph url: http://severnclaystudio.wordpress.com/bluebeard/a-users-guide-to-pantograph/

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• Problems loading Hilva tutorials

  - by Beska

  I'm a newcomer to XNA, and I'm evaluating some libraries. The Hilva Graphics Engine looks interesting, and I'm trying to run their tutorials. However, all of them give me errors. For example, if I download the ParallaxMappingSample demo, and try to build it, I get Error 1 Error loading pipeline assembly "C:\Users\Me\Desktop\ParallaxMappingSample\Hilva.Content.dll". ParallaxMappingSample I get similar errors for all of the samples. Unfortunately, this error isn't very enlightening. I can see the Hilva.Content.dll in the appropriate directory. I tried removing and readding the reference from the content project, but I get the same error. I'm not sure it's relevant, but I'm on Windows 7, I'm using Microsoft Visual Studio 2010, and XNA 4.0. Is there an easy (or difficult) solution? EDIT: If you happen to try this, even if you don't have a solution, let me know about it in a comment. Whether it works for you, or if you get the same problem...either result would be something that might let me know if it's just a problem with the tutorial, or if it's on my end.

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• SQL to XML open data made simple

  - by drrwebber

  The perennial question for people is how to easily generate XML from SQL table content?  The latest CAM Editor release really tackles this head on by providing a powerful and simple toolset.  Firstly you can visually browse your SQL tables and then drag and drop from columns and tables into the XML structure editor.   This gives you a code-free method of describing the transformation you require.  So you do not need to know about the vagaries of XML and XSD schema syntax. Second you can map directly into existing industry domain XML exchange structures in the XML visual editor, again no need to wrestle with XSD schema, you have WYSIWYG visual control over what your output will look like. If you do not have a target XML structure and need to build one from scratch, then the CAM Editor makes this simple.  Switch the SQL viewer into designer mode, then take your existing SQL table and drag and drop it into the XML structure editor.  Automatically the XML wizard tool will take your SQL column names and definitions and create equivalent XML for you and insert the mappings. Simply save the structure template, and run the Open Data generator menu option, and your XML is built for you. Completely code-free template driven development. To see this in action, see our video demonstration links and then download the tools and samples and try it yourself.

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• Motherboard: Intel S5520HCR s1366 SSI EEB

  - by Crazy_Bash

  I'm building a storage server for online video streaming. I thought about adding two SSD drive for a OS. other 15*(12 SATA & 3 SSD) drives i want to build with aufs XFS and ethernet 4GB/sec network. But I'm confused a little. S5520HCR board supports 6, SATA/300, RAID: 0, 1, 10, Intel ICH10R. Does it mean i can use SATAIII HDD? I'm planing on buying SEAGATE SV35 Series (3.5, 3??, 64??, SATA III-600). also my Chassis supports up-to 16 sata and the motherboard only 6 what kind of sata controller should i use? What's better in terms of performance 1366 or 2011 socket? My server so far: AIC RSC-3EG-80R-SA1S-2 3U Motherboard: Intel S5520HCR s1366 SSI EEB Kingston DDR3 8192Mb PC3-10600 1333MHz (KVR1333D3N9/8G) Seagate 3000GB 64MB 3.5" 7200rpm SATAIII (ST3000DM001) Kingston 480GB SSD 2.5" SATAIII Intel E1G44HTBLK Intel Xeon E5606 2133MHz/L3-8192Kb/QPI s1366 tray SERVER ACC CARD SAS PCIE 16P HBA 9201-16I LSI00244 SGL LSI

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• Design practice for securing data inside Azure SQL

  - by Sid

  Update: I'm looking for a specific design practice as we try to build-our-own database encryption. Azure SQL doesn't support many of the encryption features found in SQL Server (Table and Column encryption). We need to store some sensitive information that needs to be encrypted and we've rolled our own using AesCryptoServiceProvider to encrypt/decrypt data to/from the database. This solves the immediate issue (no cleartext in db) but poses other problems like Key rotation (we have to roll our own code for this, walking through the db converting old cipher text into new cipher text) metadata mapping of which tables and which columns are encrypted. This is simple when it's just couple of columns (send an email to all devs/document) but that quickly gets out of hand ... So, what is the best practice for doing application level encryption into a database that doesn't support encryption? In particular, what is a good design to solve the above two bullet points? If you had specific schema additions would love it if you could give details ("Have a NVARCHAR(max) column to store the cipher metadata as JSON" or a SQL script/commands). If someone would like to recommend a library, I'd be happy to stay away from "DIY" too. Before going too deep - I assume there isn't any way I can add encryption support to Azure by creating a stored procedure, right?

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• Establish direct cable connection between Windows 8 PCs in home network

  - by Marie. P.

  I'm running two PCs, a desktop and a laptop with Windows 8 Release Preview ("Build 8400"). They are connected to the same router in infrastructure mode, thereby having wireless internet. Due to often file synchronization between the machines I want to establish a cable connection that allows direct file transfer, without needing to use the wireless. When I plug in the cable (normal, not cross-over), I see in "Control Panel\Network and Internet\Network Connections": "Ethernet - unidentified Network" on both PCs. Transferring a file between both still only uses the WiFi via the Router. I noticed that when turning off the wifi on one PC, I can set up a shared internet connection that will work via Ethernet-cable, but since sometimes only one PC runs, sometimes the other one, I do not want to have the internet of one machine to be dependent on the other one being switched on. I do not have a crossover-cable, but since I did connect the PCs already successfully (just without both being on the internet), I'm sure that this should also work with a normal ethernet cable.

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• Is rsync --delete safe in case of disk failure

  - by enedene

  I have two data hard drives on my Linux server and I use second as a backup for a first drive. I use rsync for that purpose. An example would be: rsync -r -v --delete /media/disk1/ /media/disk2/ What this does is that it copies every file/directory from /media/disk1/ to /media/disk2/ but also deletes any difference. For example, lets say that files A and B but not file C are on disk1, and on disk2 there is no A and B files, but there is C. The result would be that after the command on disk2 I'd have files A and B, but file C would be deleted, just like on disk1. Now, a rather disastrous scenario had crossed my mind; what if disk1 dies, system continues to work since system files are on my system disk, but when rsync tries to backup my data on disk2 from broken disk1, it deletes all the files from disk2 because it can't read anything on disk1. Is this a possible scenario, or is there a protection from it build in rsync?

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• Generating and collaborating on network map diagrams?

  - by Ian C.

  I have to turn out some network topology maps for very large networks. I'd like the format for the maps to be something other people can also edit and contribute to regardless of what software I'm using on my Mac to build them. I don't mind spending money on my end for software, but I can't require that my clients spend any money. I also can't promise my clients are also using OS X -- they could be running Linux or Windows. Is there a best software application on OS X for producing maps that I can share with other, non-OS X, users? Is there a best format for sharing topology maps that I should use when exporting the maps to disk?

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• Getting FreeNX client to work on Mac OS again.

  - by Fantomas

  This problem is not uncommon, but I have not seen a solution that would work for me. Keyboard mapping is completely screwed up - e.g. typing 'damn it' gives me '1cxngw'. All machines have QWERTY keyboards and are set up to use US. [Client] Mac OS version: Version: 10.5.8, Build: 9L30 [Client] Kernel version uname -a Darwin <comp name> 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386 [Client] FreeNX Client version: 3.4.0-8 [Client] MacPorts version: MacPorts 1.8.2 [Client] The X Windows System: XQuartz 2.5.0 (xorg-server 1.7.6) [Server] OS: Ubuntu 9.04 [Server] Kernel: uname -a Linux <comp.name> 2.6.28-18-generic #60-Ubuntu SMP <date> x86_64 GNU/Linux [Server] Other info: please ask for it but do tell me how to query/look for it. Thanks!

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• Creating foreign words' learning site with memory technique (Web 2.0)? Will it work?

  - by Michal P.

  I would like to earn a little money for realizing a good, simple project. My idea is to build a website for learning of chosen by me language (for users knowing English) using mnemonics. Users would be encourage to enter English words with translation to another language and describing the way, how to remember a foreign language word (an association link). Example: if I choose learning Spanish for people who knows English well, it would look like that: every user would be encourage to enter a way to remember a chosen by him/her Spanish word. So he/she would enter to the dictionary (my site database) ,e.g., English word: beach - playa (Spanish word). Then he/she would describe the method to remember Spanish word, e.g., "Image that U r on the beach and U play volleyball" - we have the word play and recall playa (mnemonics). I would like to give possibility of pic hotlinks, encourage for fun or little shocking memory links which is -- in the art of memory -- good. I would choose a language to take a niche of Google Search. The big question is if I don't lose my time on it?? (Maybe I need to find prototype way to check that idea?)

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• Execute Bash script on Ubuntu from remote Windows machine?

  - by John Isaacks

  I have a bash script on a ubuntu 10.4 machine. It is shared and I can access it from my win7 machine with \\LINUX-SERVER\bash_repo\make-live However when I do, windows tries to open it. This is not what I want. I want to tell ubuntu to execute it. I am actually hoping to be able to build a GUI app on windows where the user clicks a button and it tells the bash script on the ubuntu machine to execute. Is any of this possible?

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• Installing packages into local directory?

  - by Gili

  I'd like to install software packages, similar to apt-get install <foo> but: Without sudo, and Into a local directory The purpose of this exercise is to isolate independent builds in my continuous integration server. I don't mind compiling from source, if that's what it takes, but obviously I'd prefer the simplest approach possible. I tried apt-get source --compile <foo> as mentioned here but I can't get it working for packages like autoconf. I get the following error: dpkg-checkbuilddeps: Unmet build dependencies: help2man I've got help2man compiled in a local directory, but I don't know how to inform apt-get of that. Any ideas? UPDATE: I found an answer that almost works at http://askubuntu.com/a/350/23678. The problem with chroot is that it requires sudo. The problem with apt-get source is that I don't know how to resolve dependencies. I must say, chroot looks very appealing. Is there an equivalent command that doesn't require sudo?

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• Did C++11 address concerns passing std lib objects between dynamic/shared library boundaries? (ie dlls and so)?

  - by Doug T.

  One of my major complaints about C++ is how hard in practice it is to pass std library objects outside of dynamic library (ie dll/so) boundaries. The std library is often header-only. Which is great for doing some awesome optimizations. However, for dll's, they are often built with different compiler settings that may impact the internal structure/code of a std library containers. For example, in MSVC one dll may build with iterator debugging on while another builds with it off. These two dlls may run into issues passing std containers around. If I expose std::string in my interface, I can't guarantee the code the client is using for std::string is an exact match of my library's std::string. This leads to hard to debug problems, headaches, etc. You either rigidly control the compiler settings in your organization to prevent these issues or you use a simpler C interface that won't have these problems. Or specify to your clients the expected compiler settings they should use (which sucks if another library specifies other compiler settings). My question is whether or not C++11 tried to do anything to solve these issues?

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• How to create a bootable system with a squashfs root

  - by cldfzn

  My goal is to be able to take a customized root file system loaded with the software I want. So far I've created a squashed filesystem using debootstrap and chroot to install the software I want on the system. The problem I am now running in to.. whenever I boot in to the system, my user accounts that were set up in the chroot do not work. First boot everything works out, second boot I can't log in. That is baffling to me. Any one know a reason or a place to start looking? Update To get a working system with a squashfs filesystem: sudo apt-get install live-boot live-boot-initramfs-tools extlinux sudo update-initramfs -u Create a squashfs file from a bootstrapped or running ubuntu filesystem with whatever packages you want available. https://help.ubuntu.com/community/LiveCDCustomizationFromScratch provides good instructions for creating a debootstrapped system to build on. Format the target drive with ext2/3/4 and enable the bootable flag. Create the folder layout on the target drive and install extlinux: mkdir -p ${TARGET}/boot/extlinux ${TARGET}/live extlinux -i ${TARGET}/boot/extlinux dd if=/usr/lib/syslinux/mbr.bin of=/dev/sdX #X is the drive letter cp /boot/vmlinuz-$(uname -r) ${TARGET}/boot/vmlinuz cp /boot/initrd.img-$(uname -r) ${TARGET}/boot/initrd cp filesystem.squashfs ${TARGET}/live Create ${TARGET}/boot/extlinux/extlinux.conf with the following contents: DEFAULT Live LABEL Live KERNEL /boot/vmlinuz APPEND initrd=/boot/initrd boot=live toram=filesystem.squashfs TIMEOUT 10 PROMPT 0 Now you should be able to boot from the target drive in to your squashed system.

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• Simple Introduction to using the Enterprise Manager SOA/BPM Facade API by Jaideep Ganguli

  - by JuergenKress

  There may be times when you need to expose just a small section of what is displayed in the Enterprise Manager console for SOA/BPM (EM console). A simple example can be where stakeholders on the systems integration or customer teams want to monitor a dashboard of statistics on how many instances of a composite have been created and how many have faulted. You can see this in the EM, as shown below Some of these stakeholders may not have knowledge of  EM console and they just want a quick view into the statistics, without having to navigate EM. This post describes how to use the Oracle Fusion Middleware Infrastructure Management Java API  for Oracle SOA Suite (also called the Facade API)  to build a custom ADF page to display this information. If you want a quick introduction in using the Facade API, this post is for you. Read the complete article here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: Enterprise Manager,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Ubuntu (desktop) server needed for school

  - by Dave Moody

  I need to build an ubuntu server for school, but I hate with a passion command line interfaces. I need a server with a desktop, like the current win server 2003 (which has crashed, ugh). This server needs to host the school lan domain, have an active directory, and handle the roaming profiles that the students and staff access through WinXP workstations. It also needs to work as a file server, maybe a print server. Can anyone advise me on how to create an Ubuntu server starting with Ubuntu Desktop edition? Much thanks if you respond... Dave.

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• What happens if a server never receives the RST packet?

  - by Rob

  Someone recently decided to show me a POC of a new Denial of Service method using SYN/TCP he's figured out. I thought it was complete nonsense, but after explaining to him about SYN-SYN/ACK-RST, he left me speechless. He told me "what if the server you're using to trick into sending the SYN/ACK packets can't receive the RST packet?" I have no idea. He claims that the server will continue trying to send SYN/ACK packets, and that the packetrate will continue to build up. Is there any truth to this? Can anyone elaborate? Apparently, the way it works is this: He spoofs the IP of the SYN packet to the target's IP. He then sends the SYN packet to a handful of random servers They all reply with their SYN/ACK packet to the target IP, of course The target responds with RST, as we know BUT somehow he keeps the target from sending the RST or keeps the random servers from processing it With this, apparently the servers will continue trying to send the SYN/ACK packets, thus producing a somewhat of a "snowball" effect.

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