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• Setting up a linux server to share an internet connection.

  - by Skizz

  I in the process of reconfiguring my network. It is currently like this: internet - modem - wireless router - wired server/clients | |---- wireless clients but I need to move the router to get a better signal for the wireless clients. So, I'm looking at this: internet - modem - server - switch - wired clients | |---- wireless router - wireless clients How do I set up the server to enable this? Also, what set ups do the clients need. The server is Ubuntu 9.04 and the clients are a mix of Windows XP / 7, Ubuntu and printers. I believe this new set up will allow me to control access to the internet, which would be useful.

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• Prevent audio recording applications from picking up non-microphone audio output

  - by hheimbuerger

  When talking to people over Mumble/Teamspeak/Ventrilo, I have a few who are broadcasting all of their audio output (e.g. music playing in the background, game sounds, etc.) whenever they are sending -- in addition to the microphone signal. I don't have this problem myself, so it's hard for me to troubleshoot remotely, but I'm interested in collecting solutions for this problem for Windows XP, Vista and 7, so that I can link them to this question. Links to other related SU questions are highly welcome as well, but I couldn't find any. Most people seem to try to either get microphone to feed back into the audio output or turn exactly that off, which is different from this problem. I'm talking about the opposite problem, the output being fed into the input.

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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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• Apache Serving 403 Forbidden after OS X Snow Leopard Upgrade to Version 10.6.6

  - by Ian Oxley

  I've just upgraded my MacBook Pro to OS X Snow Leopard version 10.6.6 and now Apache is misbehaving: requests to http://localhost/ generate a 403 Forbidden response -- FIXED requests to any of my virtual hosts seem to generate a 200 Ok response, but contain zero bytes Some further info that might be useful: I'm using the Apache that comes bundled with OS X. I'm using PHP from http://www.entropy.ch/software/macosx/php/ (which is in /usr/local/bin) I've had look at the Apache error log and the only error seems to be the following: [notice] child pid 744 exit signal Segmentation fault (11) I'm completely stumped by this. Any help would be much appreciated. UPDATE Ok, I've managed to resolve the 403 Forbidden error thanks to http://techtrouts.com/mac-os-x-105-web-sharing-forbidden-403-on-httplocalhostusername/ I'm still having the second problem though for any request e.g. this now happens when I request http://localhost

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• Annex-A vs Annex-B ADSL splitters

  - by Odys

  While trying to improve our Adsl connection, I found that we use a splitter that is from an unknown ventor and have no clue whether is for AnnexA (PSTN) or AnnexB (ISDN) line. Is it possible that somebody used the wrong splitter and just because it connected nobody ever cared? We have an ISDN line but the splitter used is blank. I am not really sure if it is AnnexB. Would it be possible to use an AnnexA filter over an ISDN line (even with that much signal loss)? (I am posting here because this is about our connection to the rack, I'm not sure if there is a more proper SExchange site)

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• Revo 3610 not doing hdmi handshake

  - by DoomStone

  I am having a problem with my Revo 3610 witch is connected to my tv via hdmi. For some reason will it not do the hdmi handshake with the tv, so my tv does not think that there are anything in the hdmi port. I have tested the tv and it works find, with my laptop and dvd. It dose work some times, but this time have it failed for 2 days in a row, and i have tried rebooting, turning the tv off and on, and so on nothing helps. I can trick the TV to listen to the HDMI with connecting with my laptop and then change the hdmi back to my revo, this on the other hand results in the image going thoug nicely but there are a big fat "Check signal cable." on the screen. I have also tryed changing the resolution in the revo but this dose not help ether. Have any one had this problem before, and if so how did you fix it? Example: http://i.imgur.com/gguZ4.jpg

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• When a python process is killed on OSX, why doesn't it kill the child processes?

  - by Hugh

  I found myself getting very confused a while back by some changes that I found when moving Python scripts from Linux over to OSX... On Linux, if a python script has called os.system(), and the calling process is killed, the called process will be killed at the same time. On OSX, however, if the main process is killed, anything that it launched is left behind. Is there something somewhere in OSX/Python where I can change this behaviour? This is causing problems on our render farm, where the processes can be killed from the management GUI, but the top level process is really just a wrapper, so, while the render farm management might think that the process has gone and the machine is freed up for another task, the actual processor-intensive task is still running, which can lead to huge blockages. I know that I could write more logic to catch the kill signal and pass it on to the child processes, but I was hoping that it might be something that could be enabled at a lower level.

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• Dell U271 monitor DisplayPort suddenly not working

  - by Amir Latif

  My new(ish) Dell U271 took a bit of a knock and it now suddenly doesn't recognise the Macbook plugged into it via DisplayPort - this had been working great for several months up until now. When I "Scan Sources", it doesn't find anything on DisplayPort. However, one suspicious behaviour leads me to think all might not be lost. When the Mac is woken from sleep, this used to kick the monitor in (as an monitor would) and while it no longer does that, the light on the monitor does go from standby orange to blue briefly, then the monitor says it's going into "power save" mode. It seems like it gets some kinda signal. Any ideas on how I can diagnose the problem? I'm trying to find another mac but no one near me has one ...

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• Debian 5 is randomly shutting down.

  - by revofreak

  My debian 5 vps is suffering from random shutdowns. I reinstalled it several times, the hosts moved me to a different physical box, check the install image and said everyone else also uses it and is fine. Heres the output from syslog Mar 27 00:19:19 noobintraining-1 -- MARK -- Mar 27 00:32:01 noobintraining-1 shutdown[18142]: shutting down for system halt Mar 27 00:32:06 noobintraining-1 init: Switching to runlevel: 0 Mar 27 00:32:06 noobintraining-1 xinetd[15907]: Exiting... Mar 27 00:32:07 noobintraining-1 named[15865]: received control channel command 'stop -p' Mar 27 00:32:07 noobintraining-1 named[15865]: shutting down: flushing changes Mar 27 00:32:07 noobintraining-1 named[15865]: stopping command channel on 127.0.0.1#953 Mar 27 00:32:07 noobintraining-1 named[15865]: stopping command channel on ::1#953 Mar 27 00:32:07 noobintraining-1 named[15865]: no longer listening on ::#53 Mar 27 00:32:07 noobintraining-1 named[15865]: no longer listening on 127.0.0.1#53 Mar 27 00:32:07 noobintraining-1 named[15865]: no longer listening on 89.238.172.132#53 Mar 27 00:32:07 noobintraining-1 named[15865]: exiting Mar 27 00:32:07 noobintraining-1 exiting on signal 15 Any help is most appreciated!

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• Why do I have no TTY on a basic Ubuntu 9.10 server install?

  - by pr1001

  I have reinstalled Ubuntu 9.10 Server several times on a bog standard 1RU server and each time I finish the install and reboot I see GRUB run and am then presented with a black screen. The machine is running just fine, as I am able to SSH in, but I can't see anything on the attached monitor. I have a simple LCD screen connected via VGA and a signal is apparently being output to it, as it doesn't go asleep. Looking at /var/log/syslog I see: Mar 24 14:57:44 bridge5 rsyslogd-2039: Could no open output file '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] However, I later see: Mar 24 14:57:44 bridge5 kernel: [ 0.001368] console [tty0] enabled Any thoughts? Thanks!

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• Initiate a PHP class where class name is a variable

  - by ed209

  I need some help with an error I have not encountered before and can't seem to find anywhere. In a PHP mvc framework (just from a tutorial) I have the following: // Initiate the class $className = 'Controller_' . ucfirst($controller); if (class_exists($className)) { $controller = new $className($this->registry); } $className is showing the correct class name (case is also correct). But when I run it I get this in the apache error log (no php error) [Wed Mar 31 10:34:12 2010] [notice] child pid 987 exit signal Segmentation fault (11) Process id is different on every call. I am running PHP 5.3.0 on os x 10.6. This site seems to work on 5.2.11 on another Mac. Not really sure where to go next to debug it. I guess it could be an apache setting as much as a php bug or a problem with the code... any suggestions on where to look next?

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• Public IP shows strange characters and Facebook registers logged-in session to a different location

  - by Stuart Kershaw

  I'm encountering some IP strangeness today and hoping to find an explanation. In short, I'm based in Seattle, WA with my ISP being Comcast. While browsing Facebook's account settings, I noticed that my active session was located to Mount Laurel, NJ. At that point I ran a search in Google for 'my public IP', which returned an interesting result: a string of characters in the following format: 2601:8:b000:xxx:xxxx:xxxx:xxxx:xxxx Normally, a search for my IP returns something like: 67.xxx.xx.xxx A phone call to Comcast got me nowhere, but using Comcast's phone-menu debugging tools, I was able to send a 'refresh signal' to my modem. After that, the search for 'my public IP' yielded the expected result... for about 5 minutes, and then it returned to the new string of characters. Does anyone know of an explanation for this?

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• My Macbook Pro wifi intermittently won't turn on sometimes after sleep, does anyone know how to solve this?

  - by Simon

  Hello, My current-generation MacBook Pro 15" (10.6.5) intermittently has problems turning the wifi (airport) on. The usual symptom happens when I: Sleep the machine Open from sleep Wifi is off (the airport signal is blank) I click on airport icon-Turn Airport On, but nothing happens. I googled around a bit and found one recommended solution where I delete the "automatic" location and create a new one and enable the wifi, or I delete the "AirPort" from the location and add it back, but neither of these resolve the problem. I also called AppleCare and they had me delete /Library/SystemConfiguration and restart, but that hasn't solved the problem. I have to reboot, which is very painful. Does anyone have any idea of how to solve this?

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• Usage of two Routers on LAN

  - by brusilva

  I've currently own a Linksys E4200 and a Thomson 546v6. Because I have an IPTV service I must set the Thomson as the main router connected to the phone line so that I can distribute the video signal for 2 specific ports and the other two for LAN Access. The problem is that the Thomson doesn't like port forwards, it usually doesnt work and since I have a good router (linksys) currently only working as Access Point I would like to use it as a router itself. I don't want to do a NAT beyond NAT so my question is should I connect the E4200 and to thomson and set the E4200 as a DMZ machine and then control all trafic on the E4200 itself or is there any other option that could suit my needs better?

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• RJ45 female to male fault

  - by GeoPhoenix

  i have the following - common - problem, on one end of the cable, there are RJ45 males T586 A which are connected to a 8-port switcher, on the other end, there supposed to be RJ45 females _T586 A which in turn will allow another RJ45 male to be connected. the commonly used color scheme was followed on males (having the head down) blue white blue orange white green green white orange brown white brown the problem i believe is located on female end of cable, which i try multiple time to follow the numbers designated by the module, which is the list above in reverse, and as listed resulting in no signal transmission. tried the T586B (both ends) for device to device once, but no results. Which is the proper way of handling this wiring? There were also additional RJ45 females with the numbers 6-5-4-3, but 1 to 8 isn't supposed to be used for this?

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• How can we connect TP-link Access Point- TL-WA5210G with Wifi Lan card?

  - by PPS

  I would like to know that, We have a small Wireless Network that covers 40 mtrs indoor. Now we plan to expand our Network Coverage area apporx. 200 Mtrs (Outdoor). Due to our requirement we used TP- Link Access Point TL-WA5210G Outdoor(This AP covers 15Km area). We have 3 blocks between 200 mtrs, We like to connect all the laptops Lan Card directly with required Access-point. What should we do to achieve this, right now we are not getting the full strength signal, when we cross the 80 mtrs. So please suggest me proper configuration for implementing this TP-Link access point. Thanks PPS

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• TV video constantly skips 1/2 second, plays 1 second; green on bottom

  - by Robert

  I just got DirecTV. It worked for a day, but now the TV video constantly skips 1/2 second, then plays 1 second. Also, the bottom 5th of the screen is solid green. The audio does not skip. I tried to do "Set up TV signal" (in Media Center) - but I get an error. See the post I just made here titled "Error - “IR Hardware not detected” - but it’s installed/working." Thanks for your help.

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• Remote kill, upload, execute file

  - by Masoud M.

  I'm developing a program and I need to upload my xyz.exe file to many host machines and execute them frequently. I need a server-client tool to do it as below steps after an update signal from my PC: Those host machine should kill any running processes with name xyz.exe. Download my new xyz.exe. Then execute new xyz.exe. I know about some tools like PsExec, but I need a tools with better user-interface and more powerful. Is there any tool to do it ? UPDATE: The systems are in a same LAN, OS is windows (XP or 7), No full remote access is needed. I'm a developer and my program should run in remote hosts and I'm testing my application.

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• Windows - Force Wi-Fi to N mode

  - by Frederick Marcoux

  I bought a month ago the D-Link DWA-160 Xtreme N Dual Band USB Adapter and I wonder about the speed. I have a 60Mbps but the speed is never above 300Kbps when I browse Internet or download something. Even from Microsoft or Apple (the fastest server I found). Now on Windows 8, we can see the Wi-Fi stats in Task Manager, there they are: Notice the red rectangle. The signal is 3/5 and I'm about 5 meters far from my router. An Apple Time-Capsule. Also, the connection type is 802.11g, I want N. I made this config in my Device Properties: Does anyone figured out to force the 802.11n in Windows? (Windows 8 preferably)

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• Ubuntu 9.04 Cannot Connect to visible open wifi ap (reason 6)

  - by Andrew Bolster

  I'm travelling currently so the last network i connected successfully to was my home wpa-psk network. I hadn't tried anything until i got to my accommodation that is an open network (that I'm on now on the Win7 partition on my laptop). The network (and a similar archetypical 'linksys' open network, aswell as some protected local networks are correctly displayed in network-manager and upon selection, it happily spins around to its hearts content for a while before saying 'no chance boy'. /var/log/syslog spills out the usual combination of wpa_supplicant and kernel messages, the most interesting of are that the kernel deauthentication reason 6 response. 6 apparently means class2FrameFromNonAuthStation...Client attempted to transfer data before it was authenticated. Anyone seen anything like this? I've already tried going closer to the router to no avail. I don't remember seeing this any other time I've connected to a open AP, even if that AP is far away. (Signal strength for this AP is good, kismet says its around -57dBm, well above the threshold of -80dBm, and I've tried all the suggestions from the 'Related Questions'

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• Configuration of Home Network

  - by Wen Jie

  Previously my home network is as follows Speedtouch ST536 -> Linksys WRT54G But now as I have upgraded my internet subscription. My service provider gave me a "2Wire 2701 HGV" modem. I was wondering if it is possible to put the "2Wire" as an access point. So I might have a configuration as follows? Room Living Room Speedtouch ST536 -> Linksys WRT54G {Wireless} 2Wire 2701 HGV Because I find that my signal is very weak. Is there any way for me to do that?

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• Determining Namespaces Not in the ACPI Spec

  - by Eddie B

  I am trying to determine how it may be possible to find documentation for namespaces that are not documented in the ACPI spec. I have an Asus uEFI BIOS v(3202) and I'm receiving kernel messages stating AE Namespace lookup failures for DSSP. This is referring to a namespace that is not in the ACPI spec. I'm presuming that this is vendor specific and refers to a Digital Sensor Signal Processor. That is only a presumption. In an effort to correct ACPI errors I have dumped my DSDT using acpidump and then decompiled it using iASL. Yet to fix the error I need to know the spec on the namespace. How can I get access to the BIOS documentation that isn't part of the ACPI spec?

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• wireless repeater vs wireless bridge?

  - by Kossel

  Scenario: I have a ADSL modem inside the studio which is connected with some wired/wireless devices. but when I'm in the backyard with my laptop the wireless signal is very poor, so the connection is very unstable. I have an old belkin wireless router and I read that it can be useful in this scenario. after some search, it's compatible with DD-WRT, and seems setting it both wireless repeater or wireless bridge can do the job. but which is better for speed and stability or for my purpose they are the same? wireless repeater wireless bridge

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• Apple Airport Extreme Wireless Card M8881 Connectivity Issue

  - by Carlosfocker

  I bought a Apple Airport Extreme Wireless Card M8881 with the antenna for my old Power Mac G5 1.6 Ghz. The computer is running OS X 10.4. The card works and I can connect to my dlink 802.11g wireless router using WPA2/AES encryption. The problem is that the connection has intermittent connectivity issues. When the issue occurs the signal bars for the connection drop to one or two bars and the performance of the connection suffers greatly. The computer isn't far from the wireless router. I have a laptop at the desk where the mac is and it does not have any issues. I'm not sure what it might be? Updated drivers? Firmware? Let me know if I forgot any important information.

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• A design for watching IPTV anywhere in the house?

  - by Carlos

  I'm currently getting TV and internet via IP to my house. The service comes into an ISP-supplied Router (ST585) which is in turn connected to an IPTV box. I need to replace the router, as it's port forwarding seems to be broken, so I was thinking of getting a box with an IGMP proxy. I once mistakenly got a non-IGMP box, with the result that the internet worked, but the IPTV didn't. The trouble is, I have no idea how to set up the IPTV part of the installation. I do have a copy of the ST585 configuration, but it doesn't look anything like the Cisco stuff that I learned about at CCNA. What are the steps necessary to reproduce the IGMP setup? I was thinking of WireSharking the communications on the network, but I suppose I'd need a hub for that? As a bonus, since the packets are coming in with the TV signal, is it possible to mess with the IGMP setup so I can watch TV anywhere in the house?

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