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• Intel Network Connection: This device cannot start. (Code 10)

  - by harryuser

  I have a Intel® Desktop Board DP55KG (see http://www.intel.com/products/desktop/motherboards/DP55KG/DP55KG-overview.htm), which has a Intel 82578DC Gigabit Network Connection on board. Additionally, I have a Intel PRO/1000 PT Dual Port Server Adapter in a PCI express slot and I am running Windows 7 Professional 32-bit. Also I am running with Intels latest network driver, in the 82578DC questions this means 11.6.92.0 with driver date 2010.04.12. The problem I am having is that the Intel 82578DC Gigabit Network Connection will not start on boot with the following message: "This device cannot start. (Code 10)". Disabling and then enabling the device after boot makes the network connection work again without any problems, but as soon as I reboot the problem occurs again. Any suggestion how to fix this? I have seen this problem on another Intel S3420GP board as well in Windows 7 that is.

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• Network connectivity issue

  - by kubiej21

  I am a novice cisco user and I am trying to investigate as to why one of our connections went down. We have a fiber network ring that is operating just fine. Connected to this ring via ethernet, is a lone 3560. This connection has worked flawlessly for the past year and a half. This morning, I noticed that I could not connect to that remote switch. I checked the configurations on both switches, and nothing has changed (as I expected). In the field, the port lights were flashing, indicating that some sort of communication is occurring. There is only 1 ethernet cable that has been run between these two locations, so testing an alternate path is not possible. What else can I do to fix this connection?

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• Regarding the functioning of the HTTP server

  - by Luv

  As all of us uses the HTTP protocol for accessing the web, and request at the port number 80 of the server, now suppose i want to browse or download a file then i will request to the HTTP server by specifying the complete URL. If the server is having file, it would return it if it is not having the file then what will it do? I think it will make the request to the appropriate server which would be having this file and get the file and return to us. In this way does the HTTP server acts as an intermediate between the client and the server? Please correct me if i am wrong here. Many many thanx in advance

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• Combine VPN bandwith over two or more WAN connections? Load balancing?

  - by mistrfu

  Imagine you only have DSL with 5mbps Down and 2mbps Up. Is it possible to have 10 of these for example and combine them in a way that would increase the upstrean bandwidth to one server? In my head it works like this: intranet with one gateway/router router connected to multi wan load ballancer on each ballancer wan port router with vpn clinet set up, tunneling to a server ?some? software on the server in cloud joining all these connection into one interface again I would need this mostly for big uploads to a server, downlink to the office is not that important at all. Does it even make sense? I drew an image to clarify.

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• vSwitch configuration with 12 uplinks

  - by Joshua

  I have been doing a lot of research on vSwitch configurations, but I think I am more confused now after all of the reading that I have done. So here is my situation 3 ESX Hosts (12 nics each), 1 iSCSI SAN, 2 Force 10 switches. Should I create individual vSwitches for MGMT, vMotion, VM, and SCSI traffic? or do I need to group anything together in the same vSwitch? I am going to have 4 vLANS total, one for each of those items, do I need to do any trunking on the physical switch or just assign the correct vLAN to each physical switch port?

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• Password protect app in jetty

  - by JohnW

  I am testing a webapp (.war) running in Jetty 7. For demo purposes I want to run this on a public URL, however I would like not to have the whole world (if they happen to come across the URL) be able to see it. Is there a way to make Jetty require a basic-auth type of authentication when accessing the webapp (without modifying anything inside the war, i.e. no edits on the web.xml file)? Or if not the webapp, then any part of what Jetty provides at port 8080?

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• Wifi and eth behavior

  - by r00ster

  I have a wireless router 150M Wireless Lite N Router Model No. TL-WR740N / TL-WR740ND. Normally, when I'm connected to the local network using eth0 I can ping other machines by issuing ping name. When I'm connected through wifi I have to issue ping name.domain.com. The machine is only visible in intranet. How to achieve the same behavior with wifi? The second problem is, that I can not connect to some external sites through wifi but through eth everything is ok. I guess that is related to some port forwarding, but I'm not sure. How can I resolve this issue? EDIT: I'm using Linux Mint.

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• Need to configure multiple default gateways for four seperate physical network ports for a FreeBSD Webserver

  - by user20010

  I need to configure default gateways for four separate physical network interfaces for a FreeBSD Webserver. Basically, this is a web server that needs to be accessed by multiple WANS. I've been using various online resources, and a combination of setfib, pf, and ipfw. This web server will be deployed in multiple sites where access to next hop router info is not available, so we can't use static routes. We've used setfib to successfully create multiple routing tables and can ping beyond every default gateway we've created. Using setfib # ping ip.addr.what.ever we can ping anything available on a wan and beyond the router. The problem is we can't get Apache web server (port 80) traffic to route out when external users access the server(box). Multiple people have examples of binding setfib to ipfw commands, but none of them seem to work.

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• What laptops can run an external 27" or 30" screen at 2560x1600 native resolution? [closed]

  - by Moin Zaman

  SU Folks, What laptops do you know off that can run a 27" or 30" external monitor as a secondary display (Extending desktop onto second screen, without switching off the laptop's own built in screen) at the screens native resolution of 2560x1600. I'm not interested docks or USB video adapters etc. Just via the laptop's built in display ports. List the port used and cable as well if possible. Reference links / posts that confirm it are an added bonus. I'm hoping people who've tried it themselves and / or confirmed it can list specific models of laptops so we can build up a good list.

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• Two routers in a LAN

  - by taxi

  router A no wifi +--- pc01 +--- pc02 | +--- router B wifi +--- pc03 +--- printer In my LAN I have a modem-router (say A) (no wifi connection) acting as DHCP server, and connected to the Internet. Now, I want to add another router (say B) (with wifi connection) to the LAN, in order to connect wifi pc's and net printers. Here I would disable DCHP server functionality. Is it correct to connect router B to router A via an ethernet port? In router A I define an IP address (eg 192.168.1.100) to be assigned to router B (MAC address). I expect to see router B listed as an attached device, in router A's status, but on the contrary it is not listed.

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• Site on IIS 7.5 accessible via SSL on server, but not from local network

  - by bnieland

  I have a site set up on IIS 7.5. I added the following binding... type: https Host Name: [Blank] Port: 443 IP Address: 192.168.1.6 Binding Information: [Blank] I can access the site via https://192.168.1.6 from the server itself. When I try to access the site from another machine (193.168.1.4) on the same sub-net via https://192.168.1.6 I get no response. http://192.168.1.6 returns the site as expected. I have used wireshark to examine the packets on the server, the first of which I have included as an image. There were two other packets, very similar to this. There was no response from the server. Any Ideas?

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• "Meet in the middle" with SSH

  - by stillinbeta

  I have an interesting question regarding SSH. I have a machine at school that I'd like to be able to access from elsewhere. It's behind a firewall/NAT, so I can't get at it directly. I have a leased web server that I can SSH into from anywhere. I was wondering if I could do some voodoo with port forwarding to get to my machine at school via the web server. I think this comes down to whether you can do SSH "backwards," which may or may not be possible. Basically: Machine A can access Machine B Machine C can also access Machine B How can Machine A access Machine C?

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• USB 3.0 hub; what can it power?

  - by pouzzler

  I own an Asus UX31A laptop, equipped with 2 USB 3.0 ports. I would like to connect several USB devices to one of these ports, using a USB 3.0 hub. 1) Am I correct in assuming the Asus "USB Charger+" commercial blurb corresponds to the USB 3.0 standard "Battery Charging Specification 1.2", and furthermore inferring that the laptop can deliver 1.5A through a USB port? 2) Does a powered external USB 3.0 hard drive draw on the USB power lines? 3) I would like to connect the aforementionned drive, an android phone, and a 200mA rated optical mouse to an unpowered USB 3.0 hub, itself plugged into the laptop. Should my above assumptions be false, would this setup be able to power all three devices? Thanks to the usb guru who'll settle my fears to rest. Best regards, Sébastien

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• Unable to connect to vrde virtualbox VM remotely

  - by b1ackjosh

  So I've remotely created my first headless using ssh. Now I'm attempting to connect to this VM using RDP so I can install Ubuntu Server, but I cannot get connected at all. When starting the VM everything appears fine: $ vboxheadless -s WebTesting Oracle VM VirtualBox Headless Interface 4.0.16 (C) 2008-2012 Oracle Corporation All rights reserved. VRDE server is listening on port 4455. And showvminfo shows: VRDE: enabled (Address 0.0.0.0, Ports 4455, MultiConn: off, ReuseSingleConn: off, Authentication type: null) However I'm still prompted with the "enter your credentials" screen every time I attempt to connect. From reading the documentation null shouldn't prompt me with this screen at all... Any help with this is greatly appreciated. P.S. I am using ssh tunneling in putty to tunnel in to my network.

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• How to stop windows 7 from asking to format a disk?

  - by clinux

  Hey guys, I have this USB flash drive with a Linux partition that I use inside VirtualBox. Each time I insert it into the USB port, windows keeps asking if it should format it. Is there anyway to disable Windows from asking that? Thanks. EDIT: Disabling auto-run has not resolved the problem unfortunately. Windows will still check if the disk contains a partition it knows about, and ask to format if it doesn't know it. Really nice try though, any other ideas?

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• How to configure Apache to act as an SSL proxy to an application server?

  - by ripper234

  I have one physical server that runs: an Apache (httpd) server another web server (let's say Tomcat for sake of argument) on port 1234 Can I configure the Apache server to act as a proxy for SSL traffic, while keeping the application server blissfully unaware of SSL? What I imagine is: Traffic to http://myserevr.com/app is redirected to https://myserver.com/app Traffic to https://myserver.com/app is proxied to the application server. My SSL certificate is only installed on the Apache server, not on the Application server Other traffic to the Apache server (http://myserver.com/anotherapp) is served directly from the Apache server What's the best setup to achieve this? (On Ubuntu, if that matters)

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• SMTP 25 blocked externally

  - by Jeff

  not sure how to title this question... we run an exchange server with around 80 internal users, all outgoing mail is relayed off a smart host (ISP smtp server) so nothing is actually sent to the world via our server. i wanted to check the server, locally i can telnet to port 25 with no issues and receive the esmtp service ready reply. whenever i do it from an external address (off our local network) i receive unable to connect error 10060. can this cause problems with SPF records, and reverse DNS ? should my exchange server be able to accept smtp requests, requiring authentication before i am able to send from external addresses? if so how... also the exchange server is behind a NAT (asa) device, more than likely thinking that the nat is not configured to route the smtp 25 request to the exchange server.. thanks

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• Setup Apache in Amazon AWS

  - by hudarsono

  Hi, I tried to setup apache 2.2 in amazon aws using amazon ami. i did installed httpd and php and congirue http.conf to use /var/www/html. Then put file index.html on that folder. But when i tried to use browser to browse my domain which is ec2-122-248-255-181.ap-southeast-1.compute.amazonaws.com, nothing was loaded. I did start httpd by running apachectl start, and i can see it listening on port 80. Does anybody know what is wrong?

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• CentOS not allowing remote MySQL connections

  - by nd8ad

  When assigning a user from a remote IP to connect to a database it is saying that it's failing to connect. It is also failing to connect with root so something is wrong. Bind IP is off and I have also tried disabling iptables, still no dice. Port 3306 is forwarded. I'm running on Centos 5.6, using phpmyadmin, but I have also tried to assign the user via the commandline and create a new database, still not working. Been googling and troubleshooting for hours now, no dice.

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• EC2: map multiple applications to different domains

  - by EsseTi

  i'm playing with EC2 and i've been able to create my instance that has a django appliacation on port 80, and a tomcat on 8080. now, with elastic IP i can manage to redirect my domain to django application. now i would like to map subdomains to each tomact applications. for example django app (ec2...:80) --> mydomain.com tomcat (ec2...:8080) --> tomcat.mydomain.com webbapp1 (ec2...:8080/webapp1/) --> webapp1.mydomain.com is this possible with the free account? ciao

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• Is there a way to use something like RewriteRule ... [PT] for an external URL?

  - by nbolton

  I have a non-apache web server running on port 8000, but this cannot be accessed from behind corporate firewalls. So, I would like to use my apache 2 server as a proxy to this other web server. I've tried using: RewriteEngine On RewriteRule /.* http://buildbot.synergy-foss.org:8000/builders/ [PT] ... but this does not work; I get: Bad Request Your browser sent a request that this server could not understand. However, it worked fine with [R]. Update: Also, when using ProxyPass, I get this error: Forbidden You don't have permission to access / on this server.

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• Dns.GetHostEntry is not giving me a good IP to pass to IPEndPoint function in my domain

  - by Beach Miles

  My c# code from my asynchronous socket client to get the address of my socket server. string testServerIP = "192.168.0.1"; IPHostEntry ipHostInfo = Dns.GetHostEntry(testServerIP); //time server address IPAddress ipAddress = ipHostInfo.AddressList[0]; IPEndPoint remoteEP = new IPEndPoint(ipAddress, port); I get the following error message from the above code. CheckServerReconnect:Cant connect to 192.168.0.1 The requested name is valid and was found in the database, but it does not have the correct associated data being resolved for

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• Recommended laptops for system admins?

  - by 80skeys

  Hey all - I'm in the market for a new laptop and wanted to get some recommendations. I'm a Linux sysadmin and this laptop is primarily for work related use, working from home, after hours, occasional trips to the data center, etc. We all know the drill. My typical setup includes various utilities and tools plus multiple partitions for booting different OS's including VMware. Need serial port of course, DVD-RW, and all the usual stuff we use in our daily routine. I'm kinda thinking a Thinkpad T510 but open to other suggestions! Brief explanation of why you suggest some particular brand and configuration is appreciated.

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• sendmail error "Relaying denied. Proper authentication required. (state 14)."

  - by renevdkooi

  I am an absolute newB on sendmail, now I installed sendmail, configured it (as far as i know) added localhost-names, added access entries added virtuser entry, opened port 25 in iptables. Now when I connect from another location on the internet, and use telnet server.com 25 and use manual SMTP commands (HELO, MAIL From etc) the mail goes and arrives and gets put to the right user. but When I use another client and it's relayed by (for example google) I get this error back: Relaying denied. Proper authentication required. (state 14). What setting did I forget? Any config files I need to post so you can help me? I use CentOS 5.5 and the latest sendmail rpm

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• Will the VMs on the ESXi cluster be running after disconnection from the network?

  - by John

  What will happen if I disconnect the ESXi cluster configured with HA from the switch(I need to change the power source on the main switch) and there is no management port redundancy? I'm going to disable the host monitoring and VM monitoring within HA settings, and connect to the switch after it boots up. Will the virtual machines be running if I disconnect the hosts from the network so they will not see any other ESXi host? I hope everything will work fine and the hosts will join the cluster after they connect to the network again, but I would like to be sure ..

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