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• IP camera's multicast/RTSP conflicting with 2.4GHz Wi-Fi?

  - by jayson

  Here at our business we have a Netgear R7000 running DD-WRT. I have been slowly adding IP cameras which I run using Blue Iris software. The last camera I bought (which is NOT a wireless camera), when I plug it into the network I start having really bad connection issues on the 2.4GHz Wi-Fi network. The 5GHz works fine, just the 2.4GHz all of the sudden has trouble connecting, as if it's conflicting. I've tried playing with the camera settings, different IP addresses, HTTP ports, etc, and discovered it to be a conflict with multicast. When multicast is checked, the Wi-Fi has issues but my video streams via Blue Iris. When unchecked, Wi-Fi works fine but the video won't stream through Blue Iris. The problem is there are no settings in the camera to change the RTSP port, which is set to 34567. Does anyone know something that could fix this issue? It all seems very strange to me but maybe someone has an idea?

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• USB flash drive unreadable after a few minutes on Windows 8

  - by B Sharp

  I recently got a new computer with Windows 8. I a have a number of large backup files I am moving from my old PC to my new one. I was able to successfully copy the files to a couple 16 GB flash drives. When I try to copy the files to my new computer, the process starts just fine but after copying about 4 GB of files, the copy stops. If I look at the drive in explorer, the drive is there, but I just get a busy cursor that stays indefinitely if I click it. If I unplug the flash drive and plug it back in, everything is fine again... for a couple minutes. I've tried copying from both flash drives with the same result. I've also tested this on the USB 2.0 and 3.0 ports on my motherboard with the same result (the drives are USB 2.0) It's also puzzling that this is happening since I previously used one of the same flash drives to install Windows 8 on this computer in the first place without any difficulty.

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• How can I fix my Virtual PC 2007 network configuration

  - by DanJ

  Hi, I have installed Windows Virtual PC 2007 on my Windows 2003 R2 Server. I have installed a virtual Windows XP. I have configured the virtual PC to use Shared Networking (NAT) I have disabled the firewall on the virtual windows XP The problem: I am unable to PING from Windows 2003 (the host) to the Windows XP (virtual) I do have normal traffic from the virtual to the internet Could this problem be related to routing? How I can I fix this network configuration to allow for the following traffic: 1. From Virtual to Internet 2. From Host to Virtual 3. If possible, from Internet to Virtual on pre-defined ports (port forwarding?) Thanks

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• Looking for a good 16 to 24 gigabit switch for home office

  - by MartinB

  Hi I currently working on my new home office and I want to take that occasion to wire some parts of my house with cat6 Ethernet. To make all this work, I'm looking for a gigabit switch with at least 16 ports (but I would prefer 24 to have some room to grow) that is reliable and quiet. I've about 250$ to put on that. The options I'm looking for now are - DLink 1024D - Netgear JGS524 Would you recommend (or not) one of these switches ? Have you some other suggestions ? Thanks

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• Can I connect Creative SBS A520 5.1 speakers to my Dell XPS L502X?

  - by vr3690

  I am planning on buying a new set of speakers and was looking at the Creative SBS A520 5.1 Speakers as an option to connect to my Dell XPS 502X. From what I have seen online and on the quick start guide for the speakers, I need to have 3 line out ports on my laptop to use the 5.1 speakers properly. Right now, I have port for 3.5mm jack, one S/P Diff and another for the mic. Can I connect these speakers directly to my laptop without using any other hardware? If I do need some other hardware, what do I need to get?

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• Non-USB powered laptop cooling pad?

  - by Andrei Rinea

  On my laptop (el-cheapo but pretty good) I have all my 3 USB ports occupied by devices in use (external mouse, external keyboard, 3G internet/flash drive/external hard drive/etc). I want a cooling pad for my hard-worked laptop but all seem to be powered by USB... This laptop is mainly stationary. Either is available a solution to power the USB-powered cooling pad other than connecting it to the laptop... ... either is there a non-USB powered laptop cooling pad?

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• Web-based interface is mangled

  - by justSteve

  Linksys WRT54 - over the last couple days i've been in and out of network configuration screens of my DSL modem and the router (and the commandline for that matter) as I've installed the DynDNS service. (thankx to subsonic and DynDNS.com i'm now able to stream my workstations MP3 catalog over my wife's Droid - making me her tech hero all over again) Somewhere after getting all the net ducks lined up - ports forwarded and firewalls configured - the web-interface for the router ceased rendering the full page - it's only rendering parts, i can F5/refresh and it re-renders and displays some of the cells (table-based webpage) but omits others that _had rendered before the refresh. Happens for both IE and FF. And continues after a reboot. Probably need to re-cycle the router itself but is this known behavior or should i look deeper for a cause? thx

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• How to get my Apple Keyboard to work on Ubuntu?

  - by misbehavens

  I'm trying to use a USB keyboard with my Ubuntu laptop, but when I plug in the keyboard, it is not even detected. I am trying to use the Apple Slim Aluminum Keyboard. It would also be nice if the USB ports on the keyboard could work, but I can get by without that luxury. How can I get my Apple Slim Aluminum Keyboard to work with Ubuntu? Update: After upgrading to a newer version of Ubuntu (9.04 Jaunty), the keyboard was detected and types just fine. There are a few quirks like the clear button being used as the numlock key but that seems to be well documented on other sites.

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• 10 gigabit or 1 gigabit switch

  - by Guntis

  We are planning to move mysql to dedicated box. At this moment we have web servers and mysql is running on each. Question is: cheaper is to buy 10G switch and put 10G network card into mysql server. Or buy normal gigabit switch and connect mysql box to switch with multiple network cables. In 1G scenario then we give each web server different mysql IP address. I don't think, that mysql box with one 1G link is enough to to satisfy multiple web box mysql traffic. At this moment we have 3 servers witch are running mysql/web. Plan is to add fourth server for mysql only. Thanks. Edit: if we buy 1G switch with mini-GBIC ports. Can we put in mini-GBIC 10G connectors and then connect mysql box to that port?

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• UEFI - Linux Mint Boot from USB Doesn't work

  - by Joe Bennett

  I'm running Linux Mint (only OS other than in VirtualBox) and wanting to remove it. I've created a Live USB of Windows 8 using Windows 7 USB/DVD Download Tool - Yes, I know it says Windows 7 but I've been doing research and I am hearing from everywhere that it also works for Windows 8. The ISO was loaded on just fine (AFAIK) Computer came with Windows 8 pre-installed I have Safe boot and Fast boot disabled in the BIOS Settings I have USB as my first boot option I have tried both the USB 2.0 and 3.0 ports Yet, Mint is all that will boot up. Anybody have a similar issue? If it helps, the computer is a Toshiba Satellite S855D Laptop with an AMD APU quad-core processor (3 CPU, 1 GPU)

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• Laptop recommendation for home user

  - by Mehper C. Palavuzlar

  I'm going to buy a new laptop soon and I need Super Users' recommendations. The following criteria are crucial for me: Intel i series processor Min. 4 GB RAM Min. 500 GB HDD HDMI port Min. 3 USB ports Not a monster, but a good graphics card Multimedia card reader DVD-RW Double Layer No heating problems! What do you recommend me? I'm considering buying a Vaio but I'm not sure. TIA.

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• How to move a windows machine properly from RAID 1 to raid 10?

  - by goober

  Goal I would like to add two more hard drives to my current RAID 1 setup and create a RAID 0 setup on top of the two RAID 1 setups (which I believe is referred to as "RAID 10"). Components Involved Intel P68 Chipset Motherboard 4 SATA ports that can be configured for Raid An intel SSD cache that sits in front of the RAID, and a 64 GB SSD configured in that manner Two 1TB HDDs configured in RAID 1 OS: Windows 7 Professional Resources Consulted so far I found a great resource on LinuxQuestions.org for a good "best practices" process for Linux machines, but I'd like to develop a similar process that I know works on Windows Machines.

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• AFXR problem using gradwell secondary DNS

  - by Roaders

  Hi All I use Gradwell.com to provide secondary DNS but I keep getting e-mails along the lines of the following saying that it's not working: You have asked us to provide a secondary DNS service for the following domain(s) Unfortunately, the primary DNS server(s) you specified are not permitting the necessary zone transfers from our servers, or they are not answering "SOA" queries for your domain correctly. I have gone through the support procedure and they weren't that helpful. They have suggested the following: Our secondline team have suggested setting the AXFR to use anouther machine. This will ensure that the transfer is not locked down to one machine and should allow any machine to make the request I don't really know what AFXR is and I only have 1 production machine so I can't set the AFXR to use another one! In previous support correspondence we confirmed that I am allowing transfers to the correct IP and that I have the correct ports open on the firewall. I am running Windows Server 2003. What can I do to try and get these zone transfers working? Thanks

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• Help: Best way to do a TV-out in 7300GT Nvidia video card?

  - by Martin Ongtangco

  I'm planning to recycle my old PC and build a Media Center using an open-source (C#) software called MediaPortal. My old PC has a GeForce 7300GT with a TV-out plug built-in. When I tested it last night, it wouldn't detect my JVC tv (CRT) using the current drivers. I even purchased a new copper-based TV-Out to RCA cable. I searched all 3 AV channels. The video card has 3 output ports: 2 DVI & 1 s-video. I used the s-video with a S-Video to RCA out cable. I swapped between PAL & NTSC So what I did was I downloaded the first version of an Nvidia driver for 7 series cards, but still even with the old console, it couldn't detect the TV. I'm running out of viable ideas. Anyone here had the same problem and fixed it? Any suggestion is appreciated. Thank you!

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• PSAD Firewall/ UDP flood?

  - by Asad Moeen

  Well I'm actually trying to block a UDP Flood on the Application port because the string "getstatus" is causing my application to make large output due to a small input to the attacker's IP. I installed PSAD firewall to do the job. psad -S shows 3000,000 logged packets at the application port and top ports in Scan but does not block the IP of the attacker however other IP Addresses with small number of connections are dropped. I'm thinking that since output is also being made to the attacker, this is why its not getting blocked because iptables rate-limiting is also exactly doing the same thing and not blocking the IP where outgoing connection is also made. Any guesses why it won't work?

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• JBoss thrown error looking up local address when starting

  - by Jeeba

  Hello im installing a fresh Jboss 5.1 in a Centos 5.5 machine. I dont have Apache installed. So when I try to start jboss using the comand ./run.sh I get the following error 15:13:57,414 INFO [JMXKernel] Legacy JMX core initialized 15:14:03,856 ERROR [ServerInfo] Error looking up local address java.net.UnknownHostException: dhcppc1: dhcppc1 at java.net.InetAddress.getLocalHost(InetAddress.java:1354) at org.jboss.system.server.ServerInfo.getHostAddress(ServerInfo.java:364) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) .... After that i can run Jboss only from 127.0.0.1:8080 but using localhost:8080 doesnt work. I think its a centos configuration problem but im a total newbye managing ports and maybe firewalls, so what do you think could be the problem?

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• Radeon HD 5770 - DisplayPort Problem

  - by Nick Schmit

  I am trying to set up 3 monitors with the Radeon HD 5770 I recieved a few days ago. I have read that I can use 2 DVI ports and an active DisplayPort adapter for a third DVI monitor. I have purchased this adapter: http://www.accellcables.com/products/DisplayPort/DP/dp_dvid.htm I have the two normal DVI monitors working, but when I try to extend the display to the third, I get a message saying the system has detected a problem with the connection through the display port which may limit resolution/refresh rate. I know that all the cables are fine, I have replaced the adapter, the monitors all work, I have tried different monitors through the adapter, and even nothing but the adapter, but I cannot get any monitor to work using it. I am trying to use 2 Dell monitors and an Acer. Have I overlooked something? Is there a compatibiliy issue I missed? Any suggestions as to what I could try? Thanks in advance.

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• virtualbox ftp hangs on list command

  - by Tiddo

  Hi all, I have virtual box installed on a windows 7 64-bit computer, with Cent OS 5.5 as guest os. I want to be able to use ftp between those. I've installed vsftpd on the guest os, and the guest os uses a nat connection with the host os for internet. So far, I am able to connect to the guest os using ftp (in filezilla), but after the list command is executed, nothing happens, until the command is timed out. This happens in both active and passive mode. I do have set a pasv_min/max_port in the vsftpd.conf file, listing is enabled, and the ports are redirected in virtualbox. Also the ftp_data_port is set to 20. I also tried setting the pasv_address, but I had to set it to 127.0.0.1, but than filezilla gives me this: Command: PASV Response: 500 OOPS: bad family Command: PORT 127,0,0,1,139,204 Response: 500 OOPS: child died Can someone help me with this?

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• What port does OpenLink ODBC Driver use?

  - by user36737

  I use Avaya Reporting Services and OpenLink ODBC Drivers for db connection. I know that it uses port 5000 for handshaking but after that I believe it uses an random port for communication. I want to deploy my application and it will communicate with the client's system in their datacenter. They are asking what ports should they open on their firewalls. I can't obviously give them a range above 50,000 that I know OpenLink ODBC Drivers use. Can someone tell me what port should I tell my client to open?

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• Supervisor HTTP Server Port Issue.

  - by Catalina

  I have supervisor setup to manage a few processes. It works perfectly fine when I boot my server, however when I stop it and try to start it again it fails and give's me this error msg: * Starting Supervisor daemon manager... Error: Another program is already listening on a port that one of our HTTP servers is configured to use. Shut this program down first before starting supervisord. For help, use /usr/bin/supervisord -h ...fail! I'm running nginx on port 80 and 4 web servers on ports 8000, 8001, 8002, 8003 Does anyone have any idea of what is going on? When I reboot everything works fine.

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• Configuring vsftpd with nginx on ubuntu

  - by arby

  I have vsftpd installed on Ubuntu 12.04LTS along with nginx, php, and sql on an Amazon ec2 instance. The web server is good to go, but I'm having trouble connecting to the FTP server. I'm not quite sure how to set the privileges or what configuration options I might be missing. By default, the location of the web root is at /usr/share/nginx/www and it is owned by root:root. The web server runs as user www-data in the group www-data. I've opened port 21 and set the passive ports in the ec2 backend and ufw firewall. In vsftpd.conf, I have: ... anonymous_enable=NO local_enable=YES local_umask=0027 chroot_local_user=YES pasv_enable=YES pas_max_port=12100 pasv_min_port=12000 port_enable=YES ... Now, I'm unsure how to create the FTP user that when I login, displays my web directory with write access. I've tried it a few different ways, but I keep running into errors (either no connection, no write access, or very slow timeouts.)

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• Encrypt LAN and wifi traffic on small private network

  - by Grimlockz

  I need some advice about encrypt all traffic on a small private network running wi-fi and LAN traffic on 192.168.0.x network. The network would comprise of client laptops connecting to the wi-fi router (192.168.0.254) via ethernet connection or wireless. The main purpose of the server is for the client laptops to talk to two servers on different IP's (192.168.0.200 and 192.168.0.201) on ports 80 and 433. My main concern is having packet sniffers and what not getting access to the data. The only ways I see at the moment is to have VPN running on the network or use IPSec policy's to do this. Any other ways guys?

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• smallest footprint for Web Application server?

  - by edgardodelamanta

  There are times when you need to spare hardware resources (either to keep using legacy hardware, to play the embedded card, or just to be efficient because a large footprint is trashing CPU caches, leading to unacceptable levels of idle-states). In this spirit, some efforts have been made to make 'light' ports of Java or Mono (C# for Linux), and they range in the 80-50 MB (instead of the 100-200 MB). Add a Web server (Apache, IIS, etc.) to the scripting engine and you can happily dive into the GB (IIS + .Net) only to load the tool in memory. Anybody with more modest tools in the specs area?

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• HP ProLiant DL320e G8 v2 - USB2.0 during POST

  - by user3513346

  Initially my USB2.0 ports were working during POST (and boot). However, now they appear not to be. I first noticed this when I could not access the RBSU by pressing F9 during POST. Then found that I couldn't boot from USB either (I was able to do both of these initially). When performing the boot via iLo remote console I can access all of the setups (i.e., all of the F(X)'s) and can boot virtual media from a 'removable drive'. Keyboard works fine once the OS is booted. Not really sure what to try here. Any advice would be greatly appreciated. Thanks. Nick.

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• Can USB Hubs affect peripheral performance?

  - by Daniel Rasmussen

  Like many laptops, mine has 2 USB 2.0 ports. I'm looking to purchase a USB hub for my peripheral devices. I'm also planning on purchasing a laptop cooler with two USB powered fans, which connects to a USB port but can extend the plug, so it doesn't use one up. (Sorry for the poor description; see the link for a picture.) My questions are these: Can one plug 'too many' peripherals into a USB port? Can I plug my fans into a port, then the hub into the fans, then my keyboard and mouse, mic, and webcam into the extender..? Is it possible to draw too much power from a port? Secondly, will a USB hub affect the performance of any of my devices? I'm mostly worried about my mouse and keyboard. I like wired mice because I've noticed some lag in my Bluetooth mouse.

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