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• Computer to Tv cable question

  - by Keith D

  Hi all. Heres my query : I have a PC with all the usual outputs and a couple of TVs in the house with inputs to connect to a computer. Now, what i would like to do is get rid of cable TV and using the input into the spliters in the basement,( ie. where the input cable from outside actually feeds the system ) have the computer become the "Cable supplier" ( so to speak ) and have the output ( via some sort of box ) from the computer, convert what is on my monitor into an RF signal that is then fed into the cables in my house and ultimately to each TV / room . I don't know if there is such an item but would welcome any thoughts you might have on such a set up. I am not into HD or the like, so the picture quality needs only to be watchable, not HD. I don't want to have to set up seperate cables to feed the audio on each TV. Thanks in advance!

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• What are the benefits of using conforming certificates?

  - by zneak

  Recently, my web host started sending my mail client a self-signed root certificate with no field filled (everything says "Unknown") when connecting via SSL. I'm pretty sure this is not a good thing, but since it works, the tech support guy says it's fine. I'm not a certificate guru, so I'm turning to you people. What purpose do certificates serve? Is it really okay that the certificate has every field set to "Unknown"? I don't check certificates often, but I don't recall ever being sent a root one; what's the difference between a root certificate and, err, the other kind of certificate?

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• Can not RDP to Win 2003 box or initiate remote restart

  - by Richard West

  I've got a Windows 2003 server that's at my remote data center. This morning I tried to connect to it via RDP, but the connection fails with the following error: This computer can't connect to the remote computer. Try connecting again. If the problem continues, contact the owner of the remote computer or your network administrator. I have also trying issuing a remote shutdown/restart command using the "shutdown -i" command from my local system. No error is reported, however the system does not reboot. This server runs SQL Server 2005 and it is still fully operational and responsive to queries. I can also remotely connect to the services control panel of the remote system. Is there anything that I can try to regain control of the system, short of having an operator in the data center do a hard reboot on the server for me?

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• Connecting to SQL Server on Parallels Desktop with PHP

  - by Zen Savona

  well I recently bought a Mac and am using it as my primary computer. Because I am required to work with MSSQL via PHP, I have installed Parallels Desktop and run Server 2008 R2 on it. I am using the same mixed mode authentication which I previously had on windows. When I attempt to connect to the server with PHP using either a new test file or my old code, it just doesn't find the server. I have tried running PHP on the XP install with parallels, and using the hostname as COMPUTERNAME\SQLEXPRESS, LOCALIP\SQLEXPRESS localhost localip etc, PHP never finds the server. Also note that I can connect to the database server using Management Studio without problems, so SQL Server is running. Please note that both PHP and MSSQL are running within the virtualised environment. Any contribution is appreciated

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• Can't Install php5-dev on Ubuntu 12.04 running OpenVZ

  - by MEsch

  I'm trying to fetch the php apc package using pecl and running into a problem that I believe may be caused by OpenVZ. To do so I need php5-dev. When I try to install it via apt-get, I get this: php5-dev : Depends: libssl-dev but it is not going to be installed Depends: libtool (>= 2.2) but it is not going to be installed As I try to manually install dependencies (without success), I believe I've identified libc6-dev as the culprit. libc6-dev : Depends: libc6 (= 2.15-0ubuntu10.2) but 2.15-0ubuntu10+openvz0 is to be installed I have libc6 installed on the system. If it's any help here is my sources.list: deb http://archive.ubuntu.com/ubuntu precise main restricted universe deb http://archive.ubuntu.com/ubuntu precise-updates main restricted universe deb http://security.ubuntu.com/ubuntu precise-security main restricted universe multiverse deb http://archive.canonical.com/ubuntu precise partner This is a very frustrating problem, as I have other instances of Ubuntu 12.04 running just fine elsewhere (though not on OpenVZ).

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• How can I set my resolution to 1280x1024 on an Acer Aspire Revo 3700?

  - by torbengb

  I've just set up a new nettop computer (Acer Aspire Revo 3700: CPU:Atom D525, GPU:Nvidia ION2). I've just made a clean install of Ubuntu 10.10 using the standard USB pendrive method. Almost everything works OK, but the graphics are not OK: the recommended Nvidia driver is activated but the monitor is not detected, so the resolution is wrong. How can I make Ubuntu detect my monitor? How can I get the proper resolution (1280x1024) in Ubuntu? I know that my monitor is not a CRT but an LCD: it's a BenQ, model T905, with 1280x1024 resolution at 60Hz, connected via a normal VGA cable. DVI or HDMI is not an option. When I go to SystemPrefsMonitors, I get: It appears that your graphics driver does not support the necessary extensions to use this tool. Do you want to use your graphics driver vendor's tool instead? YES NO If I say NO then I get a window: or for YES I get this: In both cases I don't see that I can fix this problem. The main reason for getting this new computer was that I was sick of having graphics problems on the old one with a very ugly solution that didn't give me hardware support - but at least I got the resultion. Why is this so difficult... sigh!

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• How to ignore query parameters in web cache?

  - by eduardocereto

  Google Analytics use some query parameters to identify campaigns and to do cookie control. This is all handled by javascript code. Take a look at the following example: http://www.example.com/?utm_source=newsletter&utm_medium=email&utm_ter m=October%2B2008&utm_campaign=promotion This will set cookies via JavaScript with the right campaign origin. This query parameters can have multiple and sometimes random values. Since they are used as cache hash keys the cache performance is heavily degraded in some scenarios. I suppose there's a not so hard configuration on cache servers to just ignore all query parameters or specific query parameters. Am I right? Does anyone know how hard is it in popular web cache solutions, to create ? I'm not interested in a specific web cache solution. It would be great to hear about the one you use.

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• How do you sync photos with your family?

  - by romkyns

  We've always been trying to share photos within our family, despite all living in different countries. This has been very challenging. We have about 50GB of photos that we share with each other. Everyone organizes them differently, so rsync/Syncplicity don't work. Everyone likes their photos on the fast hard drive rather than a slow website with reduced quality, so online sharing websites are a no-go. So far we have been essentially syncing them manually, via a shared folder that new photos are placed to and collected from. This is laborious and prone to errors, that usually leave one of us without all the photos without even knowing. To those who are in a similar situation, how do you solve this?

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• Using Remote Desktop, connect to a Windows 7 domain user account without first logging on locally?

  - by calavera

  I have a dell laptop (henceforth we'll call this the server) running Windows 7 Enterprise. The server is part of my company's domain. My primary user account is a domain account. When I am at home and not connected to the domain, I prefer to connect to the server using Remote Desktop Connection from my MacBook Pro (we'll call this the client). The problem is, that if I do not physically login to the server, I am unable to connect to it using RDC from the client. I have a local administrator account on the server, and connecting to it via RDC works just fine. I had a feeling that the Mac RDC application was not giving me the full story, so I attempted the same procedure from a Windows 7 client. When trying to login, I get this message: So basically, If I logon to the server physically with my domain user and lock the computer, I can then successfully logon from the client. Otherwise, I am unable to connect.

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• Upcoming Directory Services Live Webcast - Improve Time-to-Market and Reduce Cost with Oracle Direct

  - by mark.wilcox

  We're doing another live webcast on May 27 - Here's the details: Live Webcast: Improve Time-to-Market and Reduce Cost with Oracle Directory Services Event Date: Thursday, May 27, 2010 Event Time: 10:00 AM Pacific Standard Time / 1:00 Eastern Standard Time Organizations can spend up to 60% of their IT budgets on operational activities. • Are you being asked to do more, with less resources? • Have you had to lead a cost cutting exercise in your IT department? • Do you have licenses for software and wonder whether you are getting the most out of those resources? • Do you want to be an Identity Hero inside your organization? Oracle brings leadership in Directory Services to help organization's identify ways to leverage Oracle Virtual Directory to reduce costs in their enterprise. This presentation will explore ways to use Oracle Virtual Directory to federate faster, create architectures to meet aggressive time constraints for identity projects or mergers and acquisitions in a cost conscious environment. -- Posted via email from Virtual Identity Dialogue

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• How do you troubleshoot Family Safety reports

  - by Klas Mellbourn

  I have set up Microsoft Family Safety in Windows 8 for my daughter's account. At first I got meaningful reports via e-mail each week. But then the e-mails started reporting no activity, even though my daughter still uses the computer. The e-mails are still sent to me, but indicate that she is not using the computer at all. Family Safety is definitely still active on the computer. It limits how long she can use the computer. So only the e-mail reports are buggy. I don't know how to troubleshoot this since the e-mails are generated by Microsoft. Any ideas?

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• Bounding volume hierarchy - linked nodes (linear model)

  - by teodron

  The scenario A chain of points: (Pi)i=0,N where Pi is linked to its direct neighbours (Pi-1 and Pi+1). The goal: perform efficient collision detection between any two, non-adjacent links: (PiPi+1) vs. (PjPj+1). The question: it's highly recommended in all works treating this subject of collision detection to use a broad phase and to implement it via a bounding volume hierarchy. For a chain made out of Pi nodes, it can look like this: I imagine the big blue sphere to contain all links, the green half of them, the reds a quarter and so on (the picture is not accurate, but it's there to help understand the question). What I do not understand is: How can such a hierarchy speed up computations between segments collision pairs if one has to update it for a deformable linear object such as a chain/wire/etc. each frame? More clearly, what is the actual principle of collision detection broad phases in this particular case/ how can it work when the actual computation of bounding spheres is in itself a time consuming task and has to be done (since the geometry changes) in each frame update? I think I am missing a key point - if we look at the picture where the chain is in a spiral pose, we see that most spheres are already contained within half of others or do intersect them.. it's odd if this is the way it should work.

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• How to route traffic through a specific SOCKS proxy on a per-app basis?

  - by GJ.

  I'm running a certain desktop app (actually via AIR if it makes any difference) which doesn't have any built-in proxy configuration settings. I need to get all traffic just from this app directed through a secure SOCKS proxy. This implies I can't use the global network preferences, as these would affect many other apps. Is there any way to force all network communication through a given SOCKS proxy on a per-app basis? It would also be helpful to know if there's a way to perform such routing globally, based on specific IP addresses (as this could allow for some reasonable workaround).

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• Which JMX statistics to watch out for in Catalina/Tomcat?

  - by geoaxis

  I have configured OpenNMS to collect all kinds of numeric data coming out of tomcat7 jmx. There are a lot of things. I am interested in monitoring this tomcat instance so that I can avoid down time and lockups. What metrics should I be watching out for? I am already monitoring things like CPU, Memory, Network via SNMP. With this JMX connection the things that I find interesting are Catalina:type=GlobalRequestProcessor,name="ajp-bio-/a.b.c.d-XXXX" RequestsCount so far. Catalina:type=Manager,context=/myApp,host=localhost Active sessions and its maximum so far

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• Keeping files that are often changed in sync between desktop and laptop

  - by N.N.

  I'm looking for a way to keep a desktop and a laptop in sync. What I want to keep in sync are some folders, mainly ~/Documents, that are changed often when working on them. If it matters I can connect to my desktop from anywhere via an URL but my laptop is harder to access since it might be behind NAT and such. I have been looking at Ubuntu One but it seems to not go well with working on documents written in LaTeX. If I work on a .tex file in the Ubuntu One directory and compile it (with pdflatex) every now and then (as often as every 10 sec when working) it will create several new files including a pdf which are uploaded to Ubuntu One and this seems stupid since it will create continuous upload when working on .tex files. I also usually keep .tex documents version controlled by git and then every commit (which also can happen frequently) will cause upload (by changes in ./.git) so that it happens continuously when working. Another example is editing images that are saved often. What I think would be best is for sync to happen every tenth minute or at the end of every working session (but there might be some other way to handle this?).

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• Remote Access to Owncloud Server

  - by John

  I'm currently trying to setup my own own-cloud server, and I've got it fully installed, configured, and accessible from within my own local network. I cannot figure out how to access it from the outside. So far I've: Successfully setup port-forwarding on my local router. I've done so via 'single port forwarding' and 'port range forwarding' Ports 80, 443, 3306 (Apache-Full and MySQL) Successfully obtained my external IP address. I've also tested this magic number from within the network at #insertIPhere/owncloud and it did work. Successfully setup the server using SQLite Successfully setup the server using MySQL Created the following exceptions in my firewall: Allow In Port 80 (Apache Full) Allow In Port 443 (Apache Full) Allow In Port 3306 (MySQL) Tried connecting from several different remote networks, as to troubleshoot something on their end As far as trying to access it, I'm doing so through Google-Chrome and Mozilla Firefox trying to reach the server through #insertIPhere/owncloud using the above public IP address. So what have I missed, and how do I access my server from outside? Thanks in advance for your help and time, and I apologize in advance for what will probably result in my noobish mistake in networking. I've looked at the official documentation. And also this question here.

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• Exchange ActiveSync does not work for one user

  - by jshin47

  One particular user in our system is unable to connect to Exchange ActiveSync via her iPhone. When I try to connect using my own credentials on her iPhone it works (everything begins syncing), but when I input her credentials, the Settings app verifies the credentials are correct but nothing syncs. For example, if I open Mail, no items are shown. When I attempt to force a sync, it says "Cannot connect to server." In Exchange 2010 Management Console the user is no different than the others. Exchange ActiveSync is set as "Enable" in Mailbox Features. EDIT: Alternatively, if there is some easy way to create a new useraccount/mailbox and copy all of the contents of the old one over, I bet it would work, and that would be fine as well. She is a Mac user so we do not have to worry about her Active Directory account.

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• How do I install Netatalk in Ubuntu 9.10 (tutorial)?

  - by Phobis

  I have never installed Netatalk before. I have to help someone get this up and running on a Ubuntu 9.10 server and I don't know if there is any special configuration or install steps I need to follow in Ubuntu 9.10 to get it up and running. I know in older versions of Ubuntu, specifically, special OS changes and configuration needs to be done in order to get it to work properly. Do I need to work around any of those issues in 9.10? I am doing this remotely through ssh, so I prefer instruction via command-line. Thanks!

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• How do i get a more recent version of Java on my Mac than is showing up in software update?

  - by Cd Lolly

  I need at least Java 1.6 to run a program that someone else in my lab wrote On the Java website it tells me to update Java via apple's software update function, i've run this a few times but it only got up to Java 1.5.0_24 and it now says no more updates are available for my computer Is there another way to update Java on a Mac? Is my operating system maybe to old for Java 1.6? i'm not sure what i'm running exactly, and i can't find a list of what mac operating systems run what versions of Java because the java site just suggests using Mac's software update.

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• dual monitors and unity - ati radeon cards

  - by michiel

  I have a vaio laptop with an ATI Radeon video card and an external screen. I used to run dual monitors on Ubuntu 10.10 fine, but recently decided to upgrade to 11.10 via 11.04 I don't think it's the video card or the fglrx driver. It seems to be unity. When I start up, the laptop screen is normal and the external screen is all white, although I can move my mouse over it. However, the cursor becomes the big X that used to be cursor of the first versions of Xwindows. I can right click on it, and it brings up the context menu for the desktop. And then, all of a sudden, it shows my desktop background. I can continue to move my mouse over the external screen, and now the cursor is normal (little white arrow). But I can't do anything any longer (not even the context menu as before), and trying to drag a window to it (which always worked on 10.10) doesn't work. I actually really like unity. It gives me the most our of my desktop, and uses all space available, which is great. But how can I get my second screen back? I tried unity 2D, but the result is the same. Edit: I think I stumbled on this bug: https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/882143

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• Moving a window from a disconnected monitor to connected monitor on Vista

  - by RickMeasham

  I have a laptop that runs Vista Mega Ultimate Amazing for Business 64-bit. When at work, I connect a monitor via USB (which totally rocks) to the "left" of the laptop monitor. It's identified as monitor 3. At home, I use an old CRT monitor that sits to the right of the laptop monitor. It's monitor 2. Monitor 1 is, of course, the inbuilt laptop monitor. Now at home I open a window, any window, on monitor 2. Then I come to work and plug in monitor 3. Anything I had open on monitor 2 is now stuck in unretrievable land. (Actually, it's probably anything that was minimised when I left home that belonged on monitor 2 will expand back onto monitor 2, even though it's disconnected) How can I get those windows back onto connected monitors?

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• HP Proliant ML115 G5 - Boot order lost after reboot

  - by Filipe YaBa Polido

  I have one HP Proliant ML 115 G5 (AMD) with the latest BIOS (07-06-2009) and recently I've installed an USB disk. This is a common problem on old Proliant servers. When you plug the USB disk, BIOS boot order changes and tries to boot via USB. So, I'll change the BIOS settings and make the SATA disk the default boot device. The problem is, when I need to unplug the usb disk, and plug it again later. I can't be always changing the BIOS settings... How can one solve this for ever?!?!

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• Set default owner/user

  - by Daniel Hollands

  I'm a web developer, and so have set-up an old machine in the office as an Ubuntu Server, for the purposes of testing websites. I've set-up LAMP and have created a /var/www folder, from which all my local sites are served. The issue is that of user permissions, i.e. any files that I copy into that folder (from my Windows machine via the network) automatically take on me (daniel) as their owner. The problem is that I want www-data to become the owner. I did some research and saw that it should be possible to use setuid (and setgid) to automatically set www-data as the owner of all files put into /var/www automatically, so far I've not had any luck making it work. Can someone help please? Thank you UPDATE: Would this do what I want it to do? Default file permissions for php user www-data UPDATE 2: I've kinda fixed my issue by changing my samba settings. Using Webmin, I was able to go in and change the default settings (as seen here: http://imageshack.us/photo/my-images/521/captureon.png/)

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• Is it possible to install Photomatrix under wine?

  - by chris

  Is it possible to install Photomatrix under wine? I'm running Ubuntu 9.04, and I've tried both the default download and the embedded .net version. The first attempts to install the .net framework 1.1, and fails, while the 2nd appears to install but won't run. After a bit of googling, er, binging, I tried adding the .net 2.0 runtime via winetricks, and now it appears to install OK, but still won't run - either from the wine menu, or from the command line. Is it possible? What do I need to do?

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• Is Moving Entity Framework objects over a webservice really the best way?

  - by aceinthehole

  I've inherited a .NET project that has close to 2 thousand clients out in the field that need to push data periodically up to a central repository. The clients wake up and attempt to push the data up via a series of WCF webservices where they are passing each entity framework entity as parameter. Once the service receives this object, it preforms some business logic on the data, and then turns around and sticks it in it's own database that mirrors the database on the client machines. The trick is, is that this data is being transmitted over a metered connection, which is very expensive. So optimizing the data is a serious priority. Now, we are using a custom encoder that compresses the data (and decompresses it on the other end) while it is being transmitted, and this is reducing the data footprint. However, the amount of data that the clients are using, seem ridiculously large, given the amount of information that is actually being transmitted. It seems me that entity framework itself may be to blame. I'm suspecting that the objects are very large when serialized to be sent over wire, with a lot context information and who knows what else, when what we really need is just the 'new' inserts. Is using the entity framework and WCF services as we have done so far the correct way, architecturally, of approaching this n-tiered, asynchronous, push only problem? Or is there a different approach, that could optimize the data use?

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