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  • OSX : Setup for filestorage in medium business

    - by Franatique
    In our office every machine runs OSX. In search of an ideal storage and sharing solution we decided to let OSX Server handle all account information and auth requests whereas an 7TB QNAP provides NFS shares. All shares are published as mounts in the companywide LDAP. As it turns out, handling permissions in this situation is very clumsy (e.g. inherit permissions on newly created files). Unfortunately using NFS4 in combination with ACLs did not solve the problem. As a possible solution I set up a iSCSI connection between QNAP and the machine running OSX Server which in turn serves the LUN as AFP share. Permission handling works like a charm for this setup. Although I am a bit concerned about the performance of this setup. As we are a fast growing company we expect the solution to serve at least 100 clients while using files aprox. above 100MB each. Are there any known drawbacks of this solution?

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  • minimum required bandwidth for remote database server

    - by user66734
    I want to build a small warehousing application for my company. We have a central warehouse which distributes to 8 sales points across the country. They insist on an in-house solution. I am thinking to setup a central mySQL db Linux server and have the branches connect to it to store sales. Queries to the db from the branches will be minimum, maybe 10 per hour. However I need all the branches to be able to store each sale data ( product ID, customer ID ) in the central db at peak time at most once every five minutes. My question is can I get away with simple 24mbps/768kbps DSL lines? If not what is the bandwith requirement? Can I rely on a load balancing router to combine additional lines if needed? Can you propose some server hardware specs?

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  • How Can I Speed Up Terminal.app or iTerm on Mac OSX?

    - by pmaiorana
    Every time I launch either iTerm or Terminal after not using it for a few hours, it takes anywhere from 10-20 seconds to return a prompt. The screen is blank, and although I can type I can't actually run any commands. If I quit either application, subsequent launches (if done relatively soon thereafter) are quite fast. The slowness only seems to occur if the app wasn't running for a few hours. I'm running OSX 10.5.7 on a MacBookPro. I have the exact same setup on another computer, with no slow downs. Any ideas how to speed things up again?

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  • Run command on init and restart on errors

    - by chersanya
    I have internet access on my PC through proxy through SSH, so every time I need to execute ssh -L PORT:SERVER:PORT LOGIN@SERVER and then type a password. After each network failure or reconnect this command has to be executed again. I've got bored of it and look for a way to do this automatically: first run this after boot (it doesn't seem to be a problem - put this command in some init file and that's all) and then rerun it (if possible, then type password) on each network failure. Is it possible, and how? OS Linux (Debian)

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  • Mobile (Client) to Amazon S3 (Server) - Architecture

    - by wasabii
    let's start off with the problem statement: My iOS application has a login form. When the user logs in, a call is made to my API and access granted or denied. If access was granted, I want the user to be able to upload pictures to his account and/or manage them. As storage I've picked Amazon S3, and I figured it'd be a good idea to have one bucket called "myappphotos" for instance, which contains lots of folders. The folder names are hashes of a user's email and a secret key. So, every user has his own, unique folder in my Amazon S3 bucket. Since I've just recently started working with AWS, here's my question: What are the best practices for setting up a system like this? I want the user to be able to upload pictures directly to Amazon S3, but of course I cannot hard-code the access key. So I need my API to somehow talk to Amazon and request an access token of sorts - only for the particular folder that belongs to the user I'm making the request for. Can anyone help me out and/or guide me to some sources where a similar problem was addressed? Don't think I'm the first one and the amazon documentation is so extensive that I don't really know where to start looking. Thanks a lot!

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  • Removing BIOS Post Messages

    - by Steve
    I am working on a project where a standard x86 desktop system will boot and run a single program until it is shut down. I would like to remove all the bios post messages so that it looks a little more "finished" and cleaner when it starts up. I was hoping that there might by a standard implementation/terms to know about so I can avoid having to dig through every manual to see if there are options, or get some advice on a standard set of tools I should be using. I was thinking about getting a board that has an image that covers up the post messages until you press a key and trying to customize it to all black, but it's not clear if this is a good direction. I started looking for OEM motherboards but my searches were filled with standard commercial stuff, or seemed to be way to big for my toy project. What is the best way to go about removing all the bios post messages and just having a blank screen or "loading" message until OS loads?

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  • Could 11.5 Million 401's be causing bottlenecks?

    - by roviuser
    I'm going to preface this with a warning: My knowledge about servers and networking is VERY limited, and if you provide me with technical answers, I probably won't understand much until I research your answer further. I'm trying to expand my knowledge and learn about it, though. If the information that I am able to provide in this question is insufficient to answer the question, I understand, and it can be closed. We have a SharePoint 2007 system that is extremely slow, mostly from huge amounts of use. We've been told that the main speed bottleneck is the access to the sql databases. However, they do provide a statistics dashboard, so I did some poking around, and noticed that we have 11.5 million or more 401 - access denied errors every month. Could this be causing major speed/performance decreases? Authentication for sharepoint uses active directory.

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  • How do I stop the natd log spam on Mac OS X with Internet Sharing?

    - by pukku
    Hi! I have InternetSharing enabled on my Mac (Leopard), so that my iPhone can get access to the internet in a wireless environment. Every second or so, I get the following error sent to system.log: 7/2/09 2:12:33 PM natd[20861] failed to write packet back (No route to host) Sometimes, the error is 7/2/09 2:12:33 PM natd[20861] failed to write packet back (Host is down) Is there some way to either fix the problem that is causing these errors (which I'm guessing is because the iPhone doesn't maintain a wireless connection when not in use) or to prevent them from being logged? Thanks, Ricky

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  • Change windows default path or last used path for saving files? Is that possible?

    - by Mark
    I'm trying to change the default saving path to my specfied path for example if the file is picture (.jpg .gif etc..) and using google chrome I save an image the path can be anything from default or last used so I want it to be mine specfied for example I choose "C:\SaveHerePics" I don't know how you can change it maybe Registry? Dll? I would like to create vb.net program with textbox you choose the new location to be located every time for example "C:\SaveHerePics" and it should not have anything to do with this program even if you close the program the default location for pictures saved via any program or source saved to "C:\SaveHerePics" Thanks a lot for your help!

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  • Network flooded with seemingly empty packets

    - by Adam Particka
    Let me preface this with the fact that I'm just a web developer at my company with little networking knowledge. Earlier today there was a department that lost all of their network connections so I popped open Wireshark and observed the influx of packets to my machine. There was normal traffic (ARP requests, etc.) coming in at ~50 packets every second. Then all of a sudden the log was flooded with packets arriving ~5000 a second. It looks as though they all contain the same data, just a looped sequence. We have someone here looking at it but I thought I would ask if anyone had seen anything like this before. Here's a selection from one of the captures in Wireshark. http://www.cloudshark.org/captures/06f950725c74

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  • SSH logins failing before success

    - by Vincent
    I am running Ubuntu 12.04 Server, updated, to run a webserver on Tomcat 7. I have about 1000 clients that are very very often using an RSYNC program to sync some file with this server. Those RSync are using SSH with a certain user to open connections on the server. The result is that my server is, as normal, full of connections by the same user. About 5 connections per 1 second every day any time. Then, when I try to open a regular SSH connection with my Putty client, the connection fails before login saying "Server unexpectedly closed network connection", about 6 times for 10 attemps, anbd for 4 attemps out of 10, it works normally and I am able to login as any user. Is there a overload of connections here? The server statistics are very calm saying less then 40% of network usage and less of 2% CPU. How can I improve this? Thank you for any help. V.

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  • Internet Explorer 9 - website certificate expired

    - by user155504
    My Internet Explorer 9, for every page, shows this messege to me: There is a problem with this website"s security certificate. The security certificate presented by website has expired or is not yet valid. Security certificate problems may indicate an attempt to fool you or intercept any data you send to the server. We recommend that you close this webpage and do not continue to this website. Click here to close this webpage. Continue to this website (not recommended)" and afterwards it shows this : Internet Explorer blocked this website from displaying content with security certificate errors [show content] Please help me to resolve this problem!

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  • How can I move authorized applications between google accounts?

    - by zoopp
    I'm looking into creating an email address with a professional name on gmail and due to the fact that I can't change my current one I have to create new google account. Among some things which which need to be patched (eg. forwarding email to the new address until every other account's email contact address is changed etc.) I came across authorized applications. If I am to use exclusively the new email address I have to somehow move my authorized applications as well since if I am to eventually delete my old account I will lose access to my current profiles created by those applications (eg. the stackexchange network, youtube etc). How can this move be accomplished?

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  • Cannot login SQL Server after changing machine name

    - by Ucodia
    After installing and setting up new machines in a domain, we decided to rename one of them which had a SQL Server instance installed. So I changed the hostname, everything went fine regarding the domain but now, the server is logging a approximatively 2 SQL Server errors every 5 minutes and I cannot connect to the instance localy or from anywhere within the domain. Here is the error from the event log: SSPI handshake failed with error code 0x8009030c, state 14 while establishing a connection with integrated security; the connection has been closed. Reason: AcceptSecurityContext failed. The Windows error code indicates the cause of failure. The logon attempt failed [CLIENT: x.x.x.x] Concerning the instance, everything is started and restarted without any extra error.

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  • Monitors blank after restart [closed]

    - by offler
    i need help on the following issue. We have Dell T1650 PCs with 2 nvidia graphic adapters / Windows 7 and 4 attached monitors. At initial start all screens are blank, the computer does not show anything. If powered off by pressing the hardware power button and then restarting all monitors show a picture. The Windows event log shows only the errors, that the machine was shut down unexpectly. The last entry with blank screen seems to be that user specific dlls for every application are loaded. How can I find out the real problem?

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  • cloud hosting with only root partition

    - by user123198
    We are starting a website possibly with couple of thousands hits every day and few thousands registered users. By our hosting provider we were adviced to go with cloud hosting which we can easily expand later if we need. It is Ubuntu 11 running in WM. The problem we run into is the disk is divided only in root and swap partition which is not advised from security point of view. When consulting this with technical support we got the reply that it is not possible to make more partitions and that it is mainly issue with windows server and linux is generally fine. I'm looking here for an advice if we should switch the hosting for perhaps dedicated server where we have the full control or it is something not too be worried about too much.

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  • Cookie Settings Storage Method

    - by Paul
    I've got an web app that needs to store some non-sensitive preferences for the user. Right now I'm storing their language preference and what mode they want a window opened in by default in two cookies: "lang" can be "en" or "de" "mode" can be "design" or "view" I might add a few more in the future. I'm not sure how many, but probably never more than a dozen. Language is parsed on every request, whereas the mode cookie is only used occasionally. I saw a recommendation that made sense I shouldn't try to do what I was originally planning to do and strongly type a user settings class deserialized on each request because of the overhead involved. I see three options here and I'm not sure which is the best overall. Keep things as they are, add a new cookie for each new setting Combine the cookies into a single settings cookie and add future values to it Change the mode cookie to settings (leaving language alone), add new user settings values to the settings cookie All would work obviously. I'm leaning toward option three, but I'm not sure if there's a best practice for this?

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  • How does a frame retrieve the recipient's MAC address?

    - by Sarmen B.
    I am studying a Network+ book named All-in-one CompTia Network+ by Mike Meyers. In chapter 2 he talks about frames and how he represents them as canisters and the data within the frame contains the recipients mac address, senders mac address, data, and sequence number. What I don't understand is if the sender is sending a file via the network to the recipient, and this frame contains this data, how does the frame know what the recipients MAC address is before sending it? In regards to TCP/IP when it contains the recipients IP address, that's understandable how it retrieves that value. But I don't understand how it can retrieve the MAC address, because if that frame comes from the senders computer, goes into the router and copies itself to each and every computer that exists on the network, how did it have the MAC address to know where to go? Let me know if I'm not making sense.

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  • Writing good looking documentation in pdf format on a mac [closed]

    - by Matthew
    I'd like to write some documentation that will be written in sections (1.1, 1.2, 2.1, 2.2, 2.3, etc). I'd like to use something that will generate the table of contents in the end or at least have it "linked" up so that when I make changes everything is still accurate (if I merge section 2.1 and 2.2 or something). The end result needs to be in pdf. I don't want to pay $350 for Acrobat Pro either... I've got microsoft word, but every little thing is a pain (for example, having one background of a page be a different color than another). Any ideas on how to create quality documentation in a pdf format?

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  • Google Analytics API data for goals (funnels) doesn't match - how do they reconcile?

    - by bkgraham
    I have a Google Analytics account with a well-functioning funnel made up of 4 goals. I can query the API and get the data out, but it does not match the funnel report in Analytics. Without getting into specific values, I can give you an example with faked data. Here's how the funnel might look: Shopping Cart 100 > 100 > 20 80 (80%) Address Page 5 > 85 > 25 60 (71%) Payment Page 2 > 62 > 10 52 (84%) Checkout 1 > 53 (49.07% funnel conversion rate) Okay, so you would expect the API to output data something like this: goal1Starts goal1Completions goal1Abandons 100 80 20 goal2Starts goal2Completions goal2Abandons 85 60 25 goal3Starts goal3Completions goal3Abandons 62 52 10 goal4Starts goal4Completions goal4Abandons 53 53 0 Instead, it's different. Firstly, the abandons are associated with the following goal (so goal1 always has 0 abandons and goal4 always has 0 abandons. Okay, I can work with that. What's confusing is that the numbers are always a little different. The goal1Completions always match the report, as do the goal4Completions, but everything else is off by a small amount. Sometimes it's only 2 visits, other times it's off by 50. For the report above here's the kind of results I would tend to get: goal1Starts goal1Completions goal1Abandons 100 100 0 goal2Starts goal2Completions goal2Abandons 105 84 21 goal3Starts goal3Completions goal3Abandons 90 65 25 goal4Starts goal4Completions goal4Abandons 58 53 5 Here's what I know: Goal(n)Completions + Goal(n)Abandons = Goal(n)Starts Goal(n)Starts = Goal(n-1)Completions Goal(n)Starts - Goal(n-1)Completions != reported number entering at that level That third one is particularly disappointing. So, here's my question: What data do I need to pull from the API in order to recreate the counts in the Funnel report in Google Analytics? I don't need the pages exited to entering from - just the counts at every level.

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  • Launching multiple applications with a single command/script/shortcut

    - by Bill
    I realized a few days ago that every time I sit down at work, I do a few things after unlocking my computer. First, I open up Firefox, then I open up Chrome, then I log in to Digsby. I realized I could probably save repeating this daily by writing a small batch script to open up Firefox and Chrome , but I couldn't figure out how to make it work.. and since the whole effort is to save time I don't want to bash my head around in the windows command prompt to do it. I also tired this in powershell but ran in to a bunch of security nonsense. Is there a way to do this that I am missing? Bonus points if somebody has figured out how to manipulate Digsby via COM , scripting, or python =)

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  • Log off as local "administrator" user, get blank login screen

    - by Force Flow
    I have an imaged lab environment running Windows 7 and attached to a domain. The local Administrator account is enabled for certain maintenance and prep tasks. Every time I logoff from the local Administrator account, it brings me back to the standard Ctrl+Alt+Del login screen. When I press that combination, all the user controls vanish except for the accessibility button down in the left hand corner. The only way I can seem to escape from this is to tap the power button to initiate a shutdown. Windows is up-to-date, and logging off as any other user operates normally. The "hide last user" local security policy option is enabled. Has anyone seen this phenomenon before and how can I stop this from happening?

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  • Can I convert my database/script to UTF-8 ?

    - by Mohannad Otaibi
    How can I convert a database to support UTF-8 and convert it's old data from what ever encoding they're in to UTF-8 ? Extra Info: I'm running a server which has many websites on it, and one of them is running WHMCS (php script to manage hosting clients). WHMCS has an iPhone application where i can browse it through iPhone, the problem is that this application will only run if everything in my website is in UTF-8 encoding. I was using windows-1256 as encoding in my script's settings, and i tried changing that in some point of time to UTF-8 for a while then changed it back to windows-1256 so, the data in the database are some inserted using UTF standards and most of them are windows-1256 If someone could clear the picture for me, Do I need to convert every database on the server or just one DB ? what should I change? If i had to do that manually, I'll do it but I need some expert advise.

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  • PCI IDE Controller

    - by mercutio
    I have a suspicion that the onboard IDE controllers may not be working. Every disk I use to setup this machine reports as damaged (using a win xp installation to test, since it gets to partition setup fastest) So, I popped an IDE PCI Controller card in, to test with, but no drives are showing up in the bios now. I went into setup and changed the BIOS settings to disable onboard IDE1 and 2 to test, but still didn't detect the drives. How do I get that working? It's a standard PC with a 160GB disk and DVD Drive on master and slave channels on a single cable, if that helps. Let me know what else I need to state.

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  • Mystery process crashing machine by using all of the RAM - how to identify?

    - by wd40
    I have a Linux machine which runs ~10 in house written processes. Every other day(!) the machine completely runs out of RAM, goes into swap and becomes unresponsive. This happens quickly over a period of a couple of seconds, so it's not feasible to sit watching the machine until it dies. It's a sudden leak, not a gradual one, so top(1) doesn't give any indications something bad may about to happen. What is the best way of identifying which process(es) are causing the trouble?

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