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• Suggestion for live video stream aggregation/switching/forwarding/management software?

  - by deceze

  I'm looking for a software or system that can receive video streams from a number of cameras via a network (RTMP or similar protocol), present a visual overview of all video streams and allow me to forward/send a selected stream to another service (e.g. to a Flash Media Server, or anywhere via RTMP). Basically the digital internet equivalent of a TV studio control panel, which allows a director to put together a live show. Is there any such software at an affordable price? A GUI-less server which can be scripted to switch streams would be good too. I'm not even quite sure what kind of product category this falls into or what search terms to plug into Google. Most results I have come up with have little more than an executive summary description which doesn't tell me anything. Any suggestion welcome.

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• Mirroring of Apps across servers

  - by user1038814

  We wish to host multiple apps across multiple servers. What we are looking for (ideally) is an existing solution which will work. For example, normally to do it we'd follow a route (for failover) like: App is installed on one server along with mysql database App is also installed on a second server. Rsync is used to mirror the files over to the second server and ensure consistency MySQL is installed with a Master-Slave setup. We use a service such as DNS Made Easy which has a DNS failover. If one server goes down it automatically routes traffic to the backup server We have done the above a few times and generally its fine. The issue I have here is that the above is for one app. What I would like to look at is how we can manage for multiple apps and if there is a layer (such as VMWare) that has complete mirroring built in at the OS level? For example how do web hosts currently do it when they ensure that more than one machine is running a bunch of hosted websites. If you were running hosting and you had 200 clients on a server you would want the same clients across 2 or more servers and want everything mirrored. Any advice would be much appreciated.

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• Shared folder on mac: mounted on ubuntu but not writable

  - by Max Williams

  I've got a mac (called 'maxw-hackbook') with a folder (called 'work') which i've shared, making it "read & write" by me, "staff" and everyone. I've then mounted it to a folder on my ubuntu laptop, as follows: #on ubuntu laptop $ smbtree -s WORKGROUP \\MAXW-HACKBOOK maxw-hackbook \\MAXW-HACKBOOK\IPC$ IPC Service (maxw-hackbook) \\MAXW-HACKBOOK\work work $ sudo smbmount //MAX-HACKBOOK/work/ /mnt/hackbook-work -o ip=192.168.1.228,username=Max,password=passwordonmacbook,w This has successfully mounted the "work" folder on the macbook to the /mnt/hackbook-work folder in ubuntu. But, it's read-only, even though i've set the shared folder (on the mac) to be "read and write" by everybody. I need to have write access to that folder on the mac. Can anybody see what i've done wrong? thanks, max

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• Set up router to vpn into proxy server

  - by NKimber

  I have a small network with a single LinkSys router connected to broadband in US via Comcast. I have a VPN proxy server account that I can use with a standard Windows connection, allowing me to have a geographic IP fingerprint in Europe, this is useful for a number of purposes. I want to setup a 2nd router that automatically connects via VPN to this proxy service, so any hardware that is connected to router 2 looks as though it is originating network requests in Europe, and any hardware connected to my main router has normal Comcast traffic (all requests are originating from USA). My 2nd router is a LinkSys WRT54G2, I'm having trouble getting this configured. Question, is what I'm trying to do even feasible? Should the WRT54G2 be able to do this with native functionality? Would flashing it with DD-WRT allow me to achieve my objectives?

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• How can one domain route to an always-changing pool of servers?

  - by ryeguy

  I'm sure this is an easy solution, I'm just not too familiar with how DNS works or if that's even related to this problem. If I'm running a web service on amazon ec2, distributed across many instances, how can I make it so a single domain name can be used to access the entire pool of servers, which will be changing from time to time? Since the instances may be present one second but gone the next (and vice versa), I need a way to randomly pick an active member of the cluster to route to. The updates would have to be instantaneous. Is this even possible, with dns caching and all?

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• Googlebot visit but no cache update - why?

  - by Mick

  I have made a new plain vanilla HTML website. I have been making regular modifications to it on an almost daily basis. The site is hosted by hostmonster and as part of their service they offer "awstats" to let you know assorted details of visitors to the site. One thing is puzzling me. According to awstats, a "robot/spider" calling itself "Googlebot" visited my site as recently as today (28th June 2011), but when I find my site on google (e.g. by searching for "full reserve banking") the cache is dated only the 5th June. I always thought that a visit from the google robot was synonymous with a cache update. Am I wrong? Or have I accidentally put something in the site telling google that nothing has been updated? EDIT: It seems a moderator has removed the name of my website, so there is now no chance that anyone could check out if I had made some error on my site :-( ... but anyway, in answer to paulmorriss' question, here is what aw stats was telling me:

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• Firewall blocks outgoing email

  - by Martin Trigaux

  On my Debian server running a Django website, I have an error when I need to send an email. The error received is Exception Type: gaierror Exception Value: [Errno -2] Name or service not known Exception Location: /usr/lib/python2.6/socket.py in create_connection, line 547 You can see the full error log here. After testing, it seems it is my firewall that blocks the request. You can see my iptable file (/etc/init.d/firewall). I think the problem comes from the two commented lines that were supposed to accepts all established connections. When I uncomment them, I have an error iptables: No chain/target/match by that name. Thank you

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• VPN pre-shared key problems

  - by Owl

  I have two vpns set up on a Symantec Gateway Security 320. VPN 1 goes to a Symantec Firewall/VPN 100 to another clinic of ours and every hour they lose connectivity and the error log on the Firewall/VPN100 shows an invalid pre-shared key error, although, both devices show the same pre-shared key entered. VPN 2 goes to our software vendor to use an additional part of our program. I am unable to ping the remote address and so is the other company, but my VPN status shows it is connected. They have told me the pre-shared key seemed to be automatically trying to resubmit itself as if it were incorrect, about every hour even though it is correct. They also told me port80 traffic was closed but I show the HTTP service using 80 redirected to 80 in my firewall settings. Please help.

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• How can I modify the BAT file in this post so it will randomly select 1 background contained in a folder containing multiple backgrounds?

  - by Radical924

  Is there a way to modify the bat file from this post here: How do I set the desktop background on Windows from a script? so that it will randomly select 1 background image from a folder containing multiple images??? AND I would also like the background to randomly change to one of the backgrounds randomly contained in the same folder. If this is possible how would I modify the bat file below??? @echo off reg add "hkcu\control panel\desktop" /v wallpaper /t REG_SZ /d "" /f reg add "hkcu\control panel\desktop" /v wallpaper /t REG_SZ /d "C:\[LOCATION OF WALLPAPER HERE]" /f reg delete "hkcu\Software\Microsoft\Internet Explorer\Desktop\General" /v WallpaperStyle /f reg add "hkcu\control panel\desktop" /v WallpaperStyle /t REG_SZ /d 2 /f RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters exit Also I noticed that this bat file won't work usually (9 times out of 10)... I receive an "ERROR: The system was unable to find the specified registry key or value." I have Windows 7 64-BIT Home Premium Service Pack 1

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• connection with the application object server could not be established

  - by user44048

  Hello All, I have installed Axapta server on my Axapta(Machine name) machine. When i am going to start the axapta at that time it give error like " connection with the application object server could not be established ". Basic all the steps that i have tested like Service start restart and connection configuration. port number problem. Still i am not able to resolve a problem. please can any one tell me the solution. It's urgent please help as soon as possible. Thank you.

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• RHEL 6.5 and LDAP

  - by zuboje

  I am trying to connect our Active directory server to brand new RHEL 6.5 server. I want to authenticate users using AD credentials, but I want to restrict that only certain users can login, I don't want to allow anybody from AD to connect to it. I would like to use something like this: CN=linuxtest,OU=SecurityGroups,DC=mydomain,DC=local but I am not sure how would I setup OU and CN. I use sssd for authentication and my id_provider = ad. I wanted to use id_provider = ldap, but that did not work at all and RHEL customer service told me to setup this way. But I want to have a little bit more control who can do what. I know I can use this to restrict simple_allow_users = user1, user2, but I have 400+ users, I really don't want to go and type them all. Question is how would I setup OU or CN for my search?

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• Get Func-y

  - by PhubarBaz

  I was working on a Windows form app and needed a way to call out to a service without blocking the UI. There are a lot of ways to do this but I came up with one that I thought was pretty simple. It utilizes the System.Func<> generic class, which is basically a way to create delegates using generics. It's a lot more compact and simpler than creating delegates for each method you want to call asynchronously. I wanted to get it down to one line of code, but it was a lot simpler to use three lines.In this case I have a MyServiceCall method that takes an integer parameter and returns a ServiceCallResult object.public ServiceCallResult MyServiceCall(int param1)...You start by getting a Func<> object for the method you want to call, in this case MyServiceCall. Then you call BeginInvoke() on the Func passing in the parameter. The two nulls are parameters BeginInvoke expects but can be ignored here. BeginInvoke returns an IAsyncResult object that acts like a handle to the method call. Finally to get the value you call EndInvoke on the Func passing in the IAsyncResult object you got back from BeginInvoke.Func<int, ServiceCallResult> f = MyServiceCall;IAsyncResult async = f.BeginInvoke(23, null, null);ServiceCallResult result = f.EndInvoke(async);Doing it this way fires off a new thread that calls the MyServiceCall() method. This leaves the main application thread free to update the UI while the method call is running so it doesn't become unresponsive.

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• Is there a website that scrapes job postings to determine the popularity of web technologies? [closed]

  - by dB'

  I'm often in a position where I need to choose between a number of web technologies. These technologies might be programming languages, or web application frameworks, or types of databases, or some other kind of toolkit used by programmers. More often than not, after some doing research, I end up with a list of contenders that are all equally viable. They're all powerful enough to solve my problem, they're all popular and well supported, and they're all equally familiar/unfamiliar to me. There's no obvious rationale by which to choose between them. Still, I need to pick one, so at this point I usually ask myself a hypothetical question: which one of these technologies, if I invest in learning it, would be most helpful to me in a job search? Where can I go on the internet to answer this question? Is there a website/service that scrapes the texts of worldwide job postings and would allow me to compare, say, the number of employers looking for expertise in technology x vs. technology y? (Where x and y are Rails vs. Djando, Java vs. Python, Brainfuck vs. LOLCode, etc.)

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• Windows 7 system CPU bogged by windows services, no explanation

  - by Alex

  I'm looking at a laptop for a colleague which is running terribly slow. A quick look showed that the CPU was 100% used by 2-3 SVCHost processes, which off course doesn't tell much since those are just 'cover' processes with services running underneath them. So I fired up process explorer in hopes of finding a shady rogue service which was bogging the system, but to my suprise I found genuine MS Windows processes (or at least damn-good disguised ones) are bogging down the system: dnscache (DNS Client) IKEEXT (IKE and AuthIP IPSec Keyring modules) iphlpsvc (IP Helper) Seen separately, these processes might seem odd to be using a lot of CPU, but taking a step back one can conclude that all three services are quite closely related to networking. I've tried running: netsh int ip reset log.txt which has helped me save bizarre network-related problems in the past, but this didn't help Off course I though about a virus, but both MS Security Essentials as well as malwarebytes (let both run a full scan).

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• Very frequent "Server not found" messages

  - by Village

  Recently, while browsing and clicking or typing an address, I get: "Server not found", "Connection was reset", or a half-loaded page. Usually the page loads instantly after clicking reload, but this means I must reload on every page. Images on one site, but stored at a different server don't load until reloading for a second time. Clicking "submit" on many sites frequently doesn't work unless I reload many times. Sometimes sites load, but without colors and formating, appearing as if they would in Lynx. This seems to happen with every Web site. My Internet service claims everything on their end is fine. This happened a day after running an update in aptitude. I have not updated any hardware. I have tried clearing Iceweasel's cache. I do not have any router or other equipment. What could be going on? How can I troubleshoot this? PPPoE connection, Iceweasel 3.5.16, Debian 6

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• Getting Error whileInitializing entities [closed]

  - by R76

  I am new'b as WPF Dev. I am developing Window application in WPF using mvvmlight framework. I have created database in Sqlserver compact 4.0. I have made a Ado.net Entity Data Model. When I trying to initialize the Entity object in service it throws the error like: Error 'The invocation of the constructor on type 'PointOfSale.ViewModels.ProductsViewModel' that matches the specified binding constraints threw an exception.' Line number '7' and line position '10'. stack Trace at System.Windows.Markup.XamlReader.RewrapException(Exception e, IXamlLineInfo lineInfo, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator) at PointOfSale.MainWindow.InitializeComponent() in e:\VarniApplication\PointOfSale\PointOfSale\MainWindow.xaml:line 1 at PointOfSale.MainWindow..ctor() in E:\VarniApplication\PointOfSale\PointOfSale\MainWindow.xaml.cs:line 27 Inner Exception {"Unable to load the specified metadata resource."} My code: xyzEntities entites; public ctor() { entites = new xyzEntities(); //This line throws an error } I have installed sql server compact 4.0 from web installer 3.0. and added the sql server compact toolbox from the extension manager. Tell me if I am missing something to install or missing something to write code.

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• Power outage, Server 2K3 remains on "applying computer settings"

  - by syuroff

  My reward for clicking the "test" button in the APC UPS software was that it completely cut the power to my SQL server. The server promptly rebooted, the SQL service is running (verified by the app on another server that queries it), but the GUI has remained on "applying computer settings" for 20 minutes and counting, and it forbids RDC connections. Since SQL is up, it is fulfilling its key role, but it's obviously not right. What step to take next? Wait longer? Hardware is a Dell Poweredge 2850, internal RAID10.

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• How do I allow a (local) user to start/stop services with a scheduled task?

  - by Mulmoth

  Hi, on a Windows 2008 R2 server I have two small .cmd-scripts to start/stop a certain service. They look like this net start MyService and net stop MyService I want to execute these script via scheduled task, and I thought it would be best to create a local user for this job. The user is not member of the Administrators group. But the scripts fail with exit code 2. When I logon with this local user and try to execute these script in command line, I see a message like (maybe not exactly translated from german to english): Error code 5: Access denied It doesn't matter whether I start the command line as Administrator or not. How can this local user gain rights to do the job?

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• Cant Add Columns to a AD Task pad except for the top level of the domain

  - by Darktux

  We are working on Active Directory taskpads application for user management in our organization and facing stange issue. When we create a taskpad, and when we are at top level of the domain, i can click view - Add/Remove Columns and add "Pre Windows Name" (and lots of other properties) to the taskpad as columns, but when i just go 1 level down , i can only see "Operating System" and "Service Pack" ; why is it happening , isnt "Domain Admins" supposed to god access to all the things in AD domain , atleast of objects they own? It is important to have "Pre Windows 2000" Name as a column begause with out that our "Shell Command" task wont show up in taskpads, since its bound to parameter "Col<9" (which is pre qindows name). Please do let me know if any additions questions to clarify my problem.

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• How do I debug an upstart job?

  - by Cerales

  I have the following job in /etc/init/collector: start on runlevel [2345] stop on runlevel [!2345] expect daemon exec /usr/bin/twistd -y /path/to/my/tac/file When I start the job with sudo service collector start, it hangs. If I ctrl-c and run initctl list, I see this: collector start/killed, process 616 I can't see an instance of the twistd daemon in ps, and the HTTP server it's supposed to be providing does not exist. I even tried this without 'expect daemon' and with a simple call to a one-line bash script using a script stanza, and it still doesn't work. I think I'm doing something very wrong. What could it be?

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• Wednesday at Oracle OpenWorld 2012 - Must See Session: “Event-Driven Patterns and Best Practices: Even More Important with Big Data”

  - by Lionel Dubreuil

  Don’t miss this “CON8636 - Event-Driven Patterns and Best Practices: Even More Important with Big Data“ session: Speakers: Faisal Nazir - Senior Solutions Architect, Motorola Shinichiro Takahashi - Senior Manager, Service Platform Department, NTT DOCOMO, INC. Robin Smith - Product Management/Strategy Director - Oracle Event Processing, Oracle Date: Wednesday, Oct 3 Time: 10:15 AM - 11:15 AM Location: Moscone South - 310 As the demand for big data analytics and integration grows across all industries, this session focuses on the role of the Oracle event-driven solution platform in delivering vital real-time integrated analysis intelligence to the data streams consumed and emitted from these large distributed data stores. Objectives for this session are to: Increase awareness of Oracle Event Processing, showcasing tight alignment with big data solutions Highlight emerging usage patterns in relation to streaming event data and distributed data stores Show a significant Oracle competitive advantage over IBM solutions advertised in this domain Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif";}

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• Can I run Ubuntu directly under Windows 8?

  - by huahsin68

  Text below is extract from the article, Windows 8 Tip: Virtualize with Hyper-V. Better still, Windows Virtual PC offered a feature called XP Mode, free for users of Windows 7 Professional, Enterprise, and Ultimate, which included a full working copy of Windows XP with Service Pack 3. But the big deal here is that as you installed applications in the virtual copy of XP, they would be made available through Windows 7’s Start Menu. And you could run these applications, side-by-side, with Windows 7 applications on the Windows 7 desktop. It was a seamless, integrated experience, ideal for those one-off application compatibility issues. I was thinking to install VirtualBox in Windows 8 and then run Ubuntu as guess OS. Since Hyper-V is a Type-0 hipervisor, may I know does this bring the same benefit if I have Ubuntu Linux install as a virtual guess OS? Meaning, if I turning the Ubuntu on (the guess OS), does the Ubuntu still able to access the hardware information like nVidia display card or processor information? I'm just curious to know can this be done?

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• Any addin or tool to open multiple web sites on one page?

  - by David.Chu.ca

  Is there any addin or tools available for web browser to view multiple web sites on one page or tab? Or is there any web service to allow me to customize one page for multiple web sites? For example, within a page, there are some tools to allow me to define regions like a table or several frames. Then I'll be able to add url to each cell or frames. After settings, I'll be able to view several sites on one tab or page. Not sure if there is any tools available?

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• ALT+TAB doesn't work properly in Windows 8.1

  - by Marco1

  Holding ALT+TAB will activate the flip 2D to switch from a window to another. The problem is that this function remains active for a very short time and I'm not able to select the window I want in the foreground. I also noticed that when I put the cursor on an icon on the taskbar, the live preview thumbnail disappears quickly. With a safe mode restart the problem is no longer there, all is fine! With a clean install of Windows 8.1(no driver and applications installed) the problem is here again; obviously disappears with a safe mode restart also in this situation. What's the problem? A Windows process or service?

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• ConfigurationErrorsException when serving images via UNC on IIS6

  - by Mark Richman

  I have a virtual directory in my web app which connects to a Samba share via UNC. I can browse the files via Windows Explorer without issue, but my web app throws a yellow screen with the following message: Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: An error occurred loading a configuration file: Could not find file '\cluster\cms\qa-images\120400\web.config'. What makes no sense to me is why it's looking for a web.config in that location. I know it's not an authentication issue because the virtual directory can serve images from its root (i.e. \cluster\cms\qa-images\test.jpg serves as http://myserver/upload/test.jpg just fine).

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