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  • What's the typical latency for key strokes using an ssh connection on a local wifi network?

    - by dan
    I develop software on a Macbook Air 1.6 Ghz but find running Rails test suites and generators on this computer very slow. I'm thinking about buying a Linux tower to put on my local wireless network to do my Rails development on. I would want to use my Macbook Air and ssh into the Linux box and do my development with Gnu Screen, vim, etc. Can I expect the keystroke and echo latency for a ssh session between two machines on a local wireless network to be negligible? Does anyone develop using this kind of local setup?

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  • Windows 7: Use VirtualStore technology as user for own benefit?

    - by mfn
    I've researched a bit and came to the understanding that VirtualStore is part of the new UAC feature in Vista/W7 which is the file system part of the transparent data redirection and redirects write access to folders like program files to C:\User\<username>\AppData\Local\VirtualStore\ in lack of applications respecting the LUA principles. Now I'm interested if that kind of transparent redirection can also be used as a power to the user. Here's an example which comes to my mind: I install any kind of software to e.g. D:\Whatever\ThisAndThisApp\ and I set up things that, after initial installation, any write access to this folder is transparently redirected to e.g. D:\MyOwnVirtualStore\Whatever\ThisAndThisApp\file_only_writable_here.txt. Is this thinking too far or can I actually use that power of VirtualStore as a user on Windows 7? I'm using the Professional version of that matters.

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  • How to correctly write an installation or setup document

    - by UmNyobe
    I just joined a small start-up as a software engineer after graduation. The start-up is 4 year old, and I am working with the CEO and the COO, even if there are some people abroad. Basically they both used to do almost everything. I am currently on some kind of training phase. I have at my disposition architecture, setup and installation internal documentation. Architecture documentation is like a bible and should contain complete information. The rest are used to give directions in different processes. The issue is that these documents are more or less dated, as they just didn't have the time to change them. I will be in charge of training the next hires, and updating these documents is part of my training. In some there is a lot of hard-coded information like: Install this_module_which_still_exists cd this_dir_name_changed cp this_file_name_changed other_dir_name_changed ./config_script.sh ./execute_script.sh The issues i have faced : Either the module installation is completely different (for instance now there is an rpm, or a different OS) Either names changed, and i need to switch old names by new names Description of the purpose of the current step missing. Information about a whole topic is missing Fortunately these guys are around and I get all the information I want and all the explanations I need. I want to bring a design to the next documents so in the future people don't feel like they are completely rewriting a document each time they are updating it. Do you have suggestions? If there is a lightweight design methodology available online you can point me to it's nice too. One thing I will do for sure is set up a versioning repository for the documents alone. There is already one for the source code so I don't know why internal documents deserve a different treatment.

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  • What does the term 'overinstallation' mean?

    - by Kent Pawar
    I came across this term here: "11882875 -- Essbase Server does not start after an overinstallation." I know that a clean install is a software installation in which any previous version is removed. Googling 'overinstallation' turned up nothing, and I don't like to just assume it simply means 're-install'. UPDATE: So my understanding now is - the term "re-install" can be a bit ambiguous as it could either signify an installation after an uninstallation or otherwise. On the other hand the term "over-installation" specifically talks about installing something over an existing installation, that involved no uninstallations.

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  • Is Apple getting out of the general purpose development platform business?

    - by Charles E. Grant
    I've been doing general ANSI C/Console C++/Java/Web development on Mac hardware for about ten years. I make no claims of objective superiority over other platforms, it just satisfies my personal tastes. With the success of the iPhone and the related App store there was some speculation that Apple would get out of the general purpose computer market, and become a closed software ecosystem, focusing on consumer appliances. I pooh-poohed the speculation at the time, but this week Apple announced that a) they were opening an App store for the Mac, b) Java applications would not be eligible for the App store, c) the Apple JVM was being deprecated and might not be available for future releases of OS X. I'm not a Java developer per se, but I work in a research lab that occasionally writes Java applications, and also depends on tools written Java. This has the potential to be a huge pain in the butt for us. As of now, there is no other JVM for OS X that we can point our end users to. Soy Latte and OpenJDK might be appropriate for developers, but the complexity of the installation makes them inappropriate for end users. Eventually I expect Oracle/SUN will produce a replacement JVM for OS X. More worrisome to me is that Apple used to specifically advertise that it was an excellent platform for scientific development, because they supported all major language platforms. Is the deprecation of their JVM a sign that this market no longer interests them?

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  • SonicWALL NetExtender - Client Install?

    - by JArmani
    We are about to push out a new VPN solution for our organization. One of the beautiful things we saw in SonicWALL's SSL-VPN was the thin, browser-based solution of NetExtender. Does anybody have experience with this? My specific concern is that, at least in Windows 7 during testing, it prompts for admin credentials to install the ActiveX NetExtender plugin, which is standard for installing anything in a Windows domain environment. But doesn't this mean I actually have to go in and install the client on all domain laptops that will be using the VPN in the field? They wouldn't actually be able to simply visit the site and run the client, as advertised? By the way, we're using the SonicWALL NSA 3500 device. We do have ManageEngine's Desktop Central, which can push out software installations, but it usually has to be in the form of a .MSI package. Is there any solution to this, besides hitting up all my organization's computers?

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  • List existing file server permission groups/users

    - by Patrick
    So we have taken over a new client and their existing file server is frankly a mess. We have migrated their old file server from a 2k box to a 2k8 DFS cluster and now I'm looking at rebuilding both the folder structure and their permissions. Unfortunately its been half done with AD groups (poorly named/no description/notes) and half with individuals named in security on the folders themselves. What I'm looking to do is to dump a complete list of all the folders with their security permissions (ideally I'd like to ignore files but not essential). CACLS got me half way there but fails with an odd error message and its output isn't particularly user friendly and I'm working with roughly 2Tb/250,000 files here so I really need something that gives me a bit more functionality. Question : does anyone have any experience of something similar/know of a bit of software that might help me out?

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  • save as pdf in linux

    - by Neilvert Noval
    I have seen how simple it is for Mac OS to generate pdf from a document without additional software to install. But I am looking for this functionality in Linux. One scenario, for example, if I have myDocument.txt that contain an article, how can I convert this into pdf? My next question is, assuming that myDocument.txt is a 3-paged document, will it generate a 3-page continuous pdf and not just 3 separate pdfs? Any tools for linux that does this? (GUI is fine, but commandline is preferable)

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  • VMware9 fails to launch Virtual OS. Ubuntu 12.10 64bit (Unable to change virtual machine power state: Pipe connection has been broken.)

    - by pst007x
    Another issue I need help with. I use VMware for work on Ubuntu 12.04. However for some reasons my VMware Workstation software generates the following error: Unable to change virtual machine power state: Failed to power on '/home/pst007x/vmware/Windows 7 x64/Windows 7 x64.vmx'. Transport (VMDB) error -14: Pipe connection has been broken. Product: VMware® Workstation Version: 9.0.0 build-812388 Host OS Version: 3.5.0-18-generic Ubuntu 12.10 64bit Kernel Linux 3.5.0-18-generic I have seen patches, but nothing works, and the patches are not maintained, broken links. PLEASE NOTE: I know that this has been asked, but there was no answer given that resolves this issue. Unfortunately I have changed all my office and personal PC's to Ubuntu, and use Win7 in a vm, however since 12.10, vm now fails to launch. For me this is a catastrophe, and makes Ubuntu useless for me to use! I am in a desperate situation here, is there is anyone that can offer any help I would be truly appreciative. I have looked on the VMware forums and the only solution is offered for Fedora, but the people posting there are not clear about what the solution is! thanks PLEASE DO NOT CLOSE THIS QUESTION! I have tried everywhere to find a solution, but I have come up blank... Patches referenced to in other posts do not work in this version of VMware...

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  • Prevent the "System" process from locking my files in a shared folder.

    - by Kamarey
    I have an application that creates files to be processed by SQL bulk. The files are created in shared folder on another server and than taken from there by SQL. The problem that sometime SQL returns an error, that the file is locked by another process and can't be accessed. The process that locks these files is "System" process. Looks like it lock files because of they are in a shared folder, but not sure. The use of any software to unlock files manually is not an option, as all bulk process is automatic. The question is: Why the "System" process locks these files and is there a way to prevent this?

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  • how to skip grub dual boot option menu entirely (without picking an OS to boot)

    - by bevcan izBevk
    I'd like to skip the entire Grub 2 interface, where I have to decide booting Linux or Windows im running linux ubuntu lastest version (14.04.1 LTS) and windows 8.1 both 64 bit versions. I've installed easyBCD software, which I want to use as (my only) boot manager. Issue: whenever I run my computer, I get grub interface to pick Linux or Windows, after that I get easyBCD interface where I have to pick linux or windows again. If both choices are the same, proper system boots, else I get thrown back to beggining (grub UI). I'd like to somehow delete / skip grub from appearing. TLDR title :) thank you for helping!

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  • Songbird too damn slow, at least on my mac

    - by Cawas
    I've read on few places that Songbird is no good with more than some thousands of library items because it starts getting quite slow. Well, in my case (which is a clean install) I've imported 17k items (which I know is not that much) and instead of becoming just too slow it frequently gets to not responding for several minutes until getting back to its senses again. That's for whichever random operation such as deleting 1 item from library. I've also read on few more places that gives very little hope on fixing this issue, but I wonder... Is there any way to tweak it and make it work as fast as expected? Am I missing something or is this just a complete and utterly useless piece of software for libraries with more than 10 thousand thingies?

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  • Features and components used in Google Chrome taken from Firefox

    - by tobylane
    20 Things I Learned About Browsers and the Web says, in the following passage, that Chrome has taken things from Firefox: Open-source software plays a big role in many parts of the web, including today’s web browsers. The release of the open-source browser Mozilla Firefox paved the way for many exciting new browser innovations. Google Chrome was built with some components from Mozilla Firefox and with the open-source rendering engine WebKit, among others. In the same spirit, the code for Chrome was made open source so that the global web community could use Chrome’s innovations in their own products, or even improve on the original Chrome source code. Does anyone know what those components are?

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  • Emulate a USB port as a USB flash drive?

    - by Wilco
    Does anyone know of any software that can emulate a USB flash drive through an available USB port in OS X? Perhaps some way to map a directory to a USB port that could then be connected to another device that supports reading USB storage devices? I'd love to connect my laptop to my car's USB port and access files as if it were a USB drive. I know about the target disk mode with firewire (not sure if this is also supported over USB), but I was hoping for something that doesn't require booting outside of the OS (I want to retain use of the machine). Any ideas?

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  • Problem with Windows Boot Manager after using GParted

    - by Cenoc
    I Get the follow: Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: Insert your windows installation disc and restart your computer. Choose your language settings, and then click "Next." Click "Repair your computer." If you do not have this disc, Contact your system administrator or computer manufacturer for assistance. Status: 0XC0000225 Info: The boot selection failed because a required device is inaccessible. After I tried to expand the Windows partition. I dont know where I put the Windows 7 CD and I was wondering if anyone knew of any way of fixing this problem? I'm guessing I deleted something I shouldnt have deleted....... I actually wanted to get some more space at the expense of the recovery drive. Thanks in advance!

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  • How can I increase the size of the hard disk used by my Virtual Machine Manager (VMM) vm?

    - by Scott Langham
    In Virtual Machine Manager admin console, I used the 'New virtual machine' wizard and created a machine from an existing template. When I got to the Configure Hardware step, I selected the primary hard disk (which is a dynamic) disk and tried to increase it's maximum size, but this control is disabled so I can't increase it. It's not big enough for my purposes. how do I increase the maximum size of the hard-disk? Thanks. Edit: I am able to add a second hard disk of a size I specify. That's not useful though as I'm trying to install some software, some of which insists on being on drive C.

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  • Good podcasting solution?

    - by burnso
    I simply ask for the best, most common and simple way to set up a podcast? Please, I need an answer so I can close this question? I run a joomla-based website for a small church and now need a simple, cheap and effective solution for an audio podcast. I am looking for a solution that will do the following: User uploads audio files to service (preferably not to our own site) that is cheap, fast and simple to use. Dropbox for example? Files are easily embeddable into Joomla website articles to be played on the spot (through simple-to-use and media player). Preferably through RSS feeds (to make it easy to update every week). Files are downloadable. Files are viewable on iPhones and other smartphones. Solution can be broadcasted via iTunes. Solution doesn't need a lot of extra, new third party software. I'd rather keep it simple and familiar than have it be a complete new system but with a steep learning curve. At the moment we use vimeo to host the podcast, through video files. But we'd like to move to something simpler that doesn't involve a series of difficult steps to upload the files to the web.

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  • Touchpad won't work/not recognized on laptop, Ubuntu 11.10

    - by The_McManus_Position
    When I start out running 11.10 (Ocelot) from the Live CD the touchpad works with no problem. Once installing however the touchpad does not work at all. I have installed all updates available. I have tried installing the synaptiks touchpad package and the gpointer package from the software manager, this did not help. Under System Settings - Mouse and Touchpad there is only a mouse tab, no touchpad tab. It seems my touchpad is not even recognized. I have tried running several things in the terminal that I have found under similar questions, but I always get errors about the files not being found, or the drivers not being found. Have tried: sudo modprobe -r psmouse sudo modprobe psmouse proto=imps This results in an error message. dconf-editor Can load the GUI, but after that I can't seem to navigate through it to find the files that need editing. Read what's listed here. But I've got no GRUB, running only Ubuntu. As you can see I've been trying several things and nothing has worked so far, would appreciate any help. Thanks!

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  • Dropping the full-time high-pay gig - I need help choosing a smart path that I can rely on to produce enough to survive comfortably ($2,500 per month)

    - by Jeff V
    I have about 6 years of full time experience developing web applications and tools. I know perl, python, PHP, ruby, and a good deal of SQL and relational theory. I have never had to choose a self-employed path as I have always had full time work or a bank account (credit cards) to support a big project. I'm planning to move out of the country to an area that will not offer local employment, and need some advice on what to focus on. I want to move in no more than six months, I have enough savings to live for an additional six months, but I would like to conserve it as much as possible. I enjoy taking risks, so I'm not looking for discussion of whether this is a good idea or not. I want advice on the most reliable solution given my skill set. Some paths I'm considering: Learn objective-c and build quality Apple software. Develop subscription based web tools for SEO, or other Marketing applications Attempt to acquire freelance projects by developing a reputation within open source projects, freelancer.com, and other online communities The last time I left my job, I was building a startup (that went under), and missed out living in a beautiful place due to the amount of time I worked. I would like to work 30-40 hours per week max. I can dedicate 10-15 hours per week while at my current job to prepare and learn. A preemptive thanks for the advice...

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  • Replace single character in windows filenames

    - by Matt Rogish
    I have a Win2k3 server that has a whole bunch of filenames that need renamed. Basically, I just need all - (dashes) replaced with _ (underscores), no matter where they are in the string. Assume that there are no duplicates. I can do this on my mac with a little script but the files are too large and crazy to transfer to my mac, rename, then go back to the server. Would love to do this in a command shell and not have to download a renamer or any add'l software. Thanks!

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  • What is this video format, and how do I convert It

    - by OrangeRind
    Description I have a big (7.4G) .mkv file (1080p) which I want to convert to H.264 (using x264) Problem MediaCoder and GSpot are unable to detect the codec. They don't display anything. Just that the file is a matroska Container Video with a MIMEtype of video/x-matroska. No bitrate, profile etc. But the source tells me that is VC-1 encoded. Question So how do I encode this file. as in, using what encoding software, since MediaCoder has failed.

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  • is wisdom of what happens 'behind scenes' (in compiler, external DLLs etc.) important?

    - by I_Question_Things_Deeply
    I have been a computer-fanatic for almost a decade now. I've always loved and wondered how computers work, even from the purest, lowest hardware level to the very smallest pixel on the screen, and all the software around that. That seems to be my problem though ... as I try to write code (I'm pretty fluent at C++) I always sit there enormous amounts of time in front of a text-editor wondering how every line, statement, datum, function, etc. will correspond to every Assembly and machine instruction performed to do absolutely everything necessary for the kernel to allocate memory to run my compiled program, and all of the other hardware being used as well. For example ... I would write cout << "Before memory changed" << endl; and run the debugger to get the Assembly for this, and then try and reverse disassemble the Assembly to machine code based on my ISA, and then research every .dll, library file, linked library, linking process, linker source code of the program, the make file, the kernel I'm using's steps of processing this compilation, the hardware's part aside from the processor (e.g. video card, sound card, chipset, cache latency, byte-sized registers, calling convention use, DDR3 RAM and disk drive, filesystem functioning and so many other things). Am I going about programming wrong? I mean I feel I should know everything that goes on underneath English syntax on a computer program. But the problem is that the more I research every little thing the less I actually accomplish at all. I can never finish anything because of this mentality, yet I feel compelled to know everything... what should I do?

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  • Host a Debian repository on a Windows Web/Ftp server

    - by Dave
    At the risk of causing a matter vs. antimatter paradox that would end the world as we know it ... Is it possible to host a Debian repository on a Windows server? We have some applications which are available for Windows, Mac OS X, and Linux. Our web site, from where the application can be downloaded, is a Windows Server 2008 box running IIS 7. That is not going to change, and I would like to avoid having to purchase another server and/or domain. I would like to take advantage of the Debian packaging system so that I can just instruct users to add our repository to their software sources, and then they can install, get updates, resolve dependencies (some of which are not yet in the stable/main distributions of my target platforms), etc. The instructions I can find on the internet require linux-specific tools to create a local repository, but are unclear as to whether or not that can be copied to an FTP site as is, or if it requires some local daemons to be running or something.

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  • Virtual bridge/switch for Windows server&client?

    - by Tiberiu-Ionu? Stan
    I can't find a very simple application, with litle to zero configuration on both client and server side which would help one computer to bring other computers on an existing private LAN. OpenVPN seems like an overkill for this type of thing, and is really hard to get running or debug by various clueless people trying to connect. Does such a software exist? It's very odd not to. THe Windows provided VPN (PPTP over TCP and GRE) is not what I'm looking for because it is often filtered by ISPs. Only TCP and UDP solutions pls. Encryption is not needed.

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  • CMS and Databases vs. DIY

    - by hozza
    I have been programming for many years now, primarily in PHP and the like and would consider myself an intermediate programmer. Some of my online projects have now gone global and very widely used, i am now in deep thought about scalability etc. All of my systems so far are written in PHP, no known database structure such as MySQL etc. Instead our databases use an 'operating system style' method of storing information, files and folders if you will. We also do not use any outside/third-party software or CMS, so far this has work out extremely well. Most people, when they hear about the way we do things, criticize and say that is an idiotic idea but normally after seeing our systems in more dept are converted to our way of doing things. Is it really that bad to not use a standard databasing systems and only using the one (slightly heavier than others) language of PHP? How well on the face of it will this kind of setup scale? N.B. Our systems include things such as account and user management, documentation development and task/project managing.

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