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• DHCP Relay V DHCP Local Cisco v 3com

  - by DefSol

  Howdy, I have a client who has a WAN with 7 sites. At one site in particular, randomly about 4-5 clients do not get an IP address. The local gateway is a cisco 871 and relay's to a windows server in a Data Center running a valid scope for the subnet. If I put in a cisco 1800 and configure a dhcp scope (disabling the scope on the server) all clients get an ip address and everything is right with the world. The Wan providing keeps saying it's a local issue although we can work around with the 1800. The provider says a 3Com switch is at fault and the 1800 does not have a local switch, and because the 871 does, means the internal switching will receive a different uplink policy. The 3Com is the only managed switch in the subnet. Any ideas greatly appreciated. Reuben

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• DHCP Relay V DHCP Local Cisoc v 3com

  - by DefSol

  Howdy, I have a client who has a WAN with 7 sites. At one site in particular, randomly about 4-5 clients do not get an IP address. The local gateway is a cisco 871 and relay's to a windows server in a Data Center running a valid scope for the subnet. If I put in a cisco 1800 and configure a dhcp scope (disabling the scope on the server) all clients get an ip address and everything is right with the world. The Wan providing keeps saying it's a local issue although we can work around with the 1800. The provider says a 3Com switch is at fault and the 1800 does not have a local switch, and because the 871 does, means the internal switching will receive a different uplink policy. The 3Com is the only managed switch in the subnet. Any ideas greatly appreciated. Reuben

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• Connecting Wii to router to Proxy Server via VPN to BBC iPlayer

  - by nkimber

  I live in the USA and want to be able to watch UK TV streamed over the web. The relevant services are geographically crippled. I can do this by using a VPN proxy server in the UK, connecting to the VPN service using a straight Windows VPN connection. However, this means I have to watch everything on my PC. The BBC iPlayer works on the Wii in the UK. So, I'd like to connect my Wii to a wireless router (LinkSys WRT54G2) and have that be automatically connected via VPN to my proxy service in the UK. If I can do this then I'd be able to stream UK TV direct to my TV via the Wii. I thought I could have one router act as my VPN connection, connected to a 2nd router that connects to my Cable internet access. But this bit isn't working, any thoughts?

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• xfx 680i motherboard failure?

  - by Ian

  At some point last night we must have had a blip in our power, as the stove clock was blinking like it would had their been... a blip in the power. When I came into my office this morning, my desktop computer was powered down and would not turn on. Cracking the case, I can see a small blue blinking light on the front right corner of the motherboard. Unplugging the power from the PSU causes the blinking to stop. Plugging in the power causes the blinking to resume. Pressing the power button does nothing. Does anyone know what this blinking blue light means? I'm mostly curious now if it's the motherboard that has gone bad, or the power supply. I don't have any other desktop parts to use to troubleshoot these components. Any ideas? My motherboard is an XFX NFORCE 680I SLI INTEL SOCKET 775 DDR2 ( Model #: MB-N680-ISH9 )

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• How do I mount an EBS root volume to a windows instance in Amazon EC2

  - by Kyle

  So basically, I created a large windows server for development, and then I created a micro windows server for production. I set up everything how I wanted it on my development server, and then i unmounted the drives, and mounted them to my micro server. Now I'm trying to get back into my large windows development server, and I'm getting the error. Invalid value 'i-4896ce28' for instanceId. Instance does not have a volume attached at root (/dev/sda1) this error pops up when I try to start my large windows server. I've remounted the drives to the large development server, and I still get this message. I'm not really sure what to do, I've read other posts and everyone is giving these almost like command line arguments and talking about other tools, and I really have no clue what any of that means, or where I even have an option to enter any commands without be logged into a specific instance.

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• vgcreate --> "Command failed with status code 5." what does this mean?

  - by erik

  i'm playing around w/ LVM on a centos domU in a xen-based vps. I'm in rescue mode and I've created one physical volume (pvcreate /dev/xvda1) for my entire drive, which is formatted as LVM. i'm now trying to create a volume group using vgcreate main /dev/xvda1, but it's returning "Command failed with status code 5.". I've been unable to find an explanation for this error code. does anyone know what it means? for what it's worth, my goal is to create multiple logical volumes on my drive using lvm. thanks

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• Windows update error: Code 80072F8F (possibly datetime-not-correct, but it is)

  - by Andrew

  I have a Windows 2008 Server 64bit installation running as a virtual instance with a hosting provider. Windows Update has worked fine until IE8 (along with some other updates) managed to get installed (don't get me started). Now all of a sudden Windows Update fails to run and complains with error 80072F8F. UPDATE: I've since removed IE8 and am still having issues (tissues are on order) This apparently means that the time/timezone of the server is incorrect - which is not the case. I've synced the time with a time server and rebooted a number of times. I've followed the instructions here (http://support.microsoft.com/kb/929458) to no avail. Thanks! Andrew

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• Can't figure out error in Cisco ASA log "regular translation creation failed for icmp ..."

  - by Martijn Heemels

  Every few seconds our new Cisco ASA 5505 firewall is logging errors that I can't figure out with my limited Cisco experience. Severity Date Time Syslog ID Source IP Destination IP Description 3 Mar 25 2010 17:21:14 305006 8.8.8.8 regular translation creation failed for icmp src inside:10.10.0.200 dst outside:8.8.8.8 (type 3, code 3) 3 Mar 25 2010 17:18:37 305006 8.8.4.4 regular translation creation failed for icmp src inside:10.10.0.200 dst outside:8.8.4.4 (type 3, code 3) The logged inside IP is our internal DNS resolver, and the outside IP's are Google's public DNS servers. ICMP Type 3 Code 3 means "Port Unreachable" Our "outside" interface has a fixed IP and our "inside" interface is in the 10.10.0.0/16 subnet. The 'Inspect DNS' Service Policy is enabled, with the preset DNS inspection map. Furthermore there's an ACL that allows all inbound ICMP on the "outside" interface. I've spent hours trying to figure this one out, so any and all advice is welcome!

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• Validating SSL clients using a list of authorised certificates instead of a Certificate Authority

  - by Gavin Brown

  Is it possible to configure Apache (or any other SSL-aware server) to only accept connections from clients presenting a certificate from a pre-defined list? These certificates may be signed by any CA (and may be self-signed). A while back I tried to get client certificate validation working in the EPP system of the domain registry I work for. The EPP protocol spec mandates use of "mutual strong client-server authentication". In practice, this means that both the client and the server must validate the certificate of the other peer in the session. We created a private certificate authority and asked registrars to submit CSRs, which we then signed. This seemed to us to be the simplest solution, but many of our registrars objected: they were used to obtaining a client certificate from a CA, and submitting that certificate to the registry. So we had to scrap the system. I have been trying to find a way of implementing this system in our server, which is based on the mod_epp module for Apache.

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• Cannot access Ubuntu 10/04 after reinstalling Windows

  - by meyosef

  I had Windows Vista Home Premium on HP pavilion desktop. I partitioned the disk for Ubuntu and a swap disk partition and then I installed Ubuntu 10.04. When I would start my computer, I would be given a choice to start Windows or Ubuntu. Today I reinstalled Windows, and now the menu has disappeared. I don't see in windows the disk partition that I allocated to Ubuntu, so it means Ubuntu still exist but I can't load it. What can I do ?

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• Windows 7 KSOD On Login

  - by Brandon Bertelsen

  For those that are unaware, KSOD means blacK Screen of Death. Essentially, when windows starts my computer shows only the cursor and a black screen. It seems like any and all shell elements are disabled (or perhaps not started). I have seen a number of these questions asked, none of which have matched my situation. CTRL + ALT + ... does not respond Restarting in safe mode, results in the same KSOD sfc /scannow seems to have no effect when typed at the command prompt that is accessed using the recovery tools via the install disk Update to item 3: sfc /scannow reports: There is a system repair pending which requires reboot to complete. Restart Windows and run sfc again. However, Windows does not restart past KSOD. Update to item 3 as per Soandos comment re: /offbootdir sfc /scannow /offbotdir=e:\ /windir=e:\windows "Windows resource protection found corrupt files but was unable to fix some of them. Details are included in the CBS.log..."

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• Master Reset iPhone - How?

  - by sagar

  Actually - I had a problem with my iPhone. My iphone battery was down & it was switched off. I plugged in it for charging, but after some time - iPhone had a complete white screen. I don't know what actually had happened. Every thing was working perfectly. means suppose I press lock ( button on top-right side ) it sounds that iphone is locked. when I pressed home button & slide on bottom of the screen - it sounds that iphone is unlocked - but the only problem was - screen remains "white" only. someone told me - it needs master reset. I went to an engineer & he just master reset to iPhone. I am wondering how an iPhone can be master reset ? can you guide me about it ? Thanks in advance for sharing your knowledge. Sagar

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• How to configure wireless in gentoo?

  - by Absolute0

  I have a single access point which i want to connect to on interface ra0, when I run /etc/init.d/ra0 restart I get the following output: gentoo ~ # /etc/init.d/net.ra0 restart * Starting ra0 * Configuring wireless network for ra0 Error for wireless request "Set Mode" (8B06) : SET failed on device ra0 ; Network is down. * ra0 does not support setting the mode to "managed" Error for wireless request "Set Encode" (8B2A) : SET failed on device ra0 ; Network is down. * ra0 does not support setting keys * or the parameter "mac_key_roswell" or "key_roswell" is incorrect Error for wireless request "Set Mode" (8B06) : SET failed on device ra0 ; Network is down. * ra0 does not support setting the mode to "managed" * WEP key is not set for "BAY_WiFi" - not connecting * Couldn't associate with any access points on ra0 * Failed to configure wireless for ra0 when I run iwlist ra0 scan I get "roswell" and "bay-wifi" I want to connect to only roswell. Here is my /etc/conf.d/net: modules= ( "iwconfig" ) key_roswell="ffff-ffff-ff" # no s: means a hex key preferred_aps=( "roswell" ) what am i doing wrong?

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• How to configure wireless in gentoo?

  - by Absolute0

  I have a single access point which i want to connect to on interface ra0, when I run /etc/init.d/ra0 restart I get the following output: gentoo ~ # /etc/init.d/net.ra0 restart * Starting ra0 * Configuring wireless network for ra0 Error for wireless request "Set Mode" (8B06) : SET failed on device ra0 ; Network is down. * ra0 does not support setting the mode to "managed" Error for wireless request "Set Encode" (8B2A) : SET failed on device ra0 ; Network is down. * ra0 does not support setting keys * or the parameter "mac_key_roswell" or "key_roswell" is incorrect Error for wireless request "Set Mode" (8B06) : SET failed on device ra0 ; Network is down. * ra0 does not support setting the mode to "managed" * WEP key is not set for "BAY_WiFi" - not connecting * Couldn't associate with any access points on ra0 * Failed to configure wireless for ra0 when I run iwlist ra0 scan I get "roswell" and "bay-wifi" I want to connect to only roswell. Here is my /etc/conf.d/net: modules= ( "iwconfig" ) key_roswell="ffff-ffff-ff" # no s: means a hex key preferred_aps=( "roswell" ) what am i doing wrong?

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• UNR Installation: Partitioning Error

  - by Wesley

  Hi all, I have a Samsung N120 netbook (with upgraded 2GB RAM). I'm trying to install Ubuntu Netbook Remix, but when I set my partitions, I get an error. The setup I want right now is: Recovery Partition - 6 GB Windows XP Home Partition - 40 GB General Partition - remaining space UNR Partition - 40 GB I am told that I need to resize a partition and it will take a while. However, when it nearly starts, I get an ERROR!!! dialog that says, "Error informing the kernel about modifications to partition /dev/sda5 - Device or resource busy. This means Linux won't know about any changes you made to /dev/sda5 so you shouldn't mount it or use it in any way before rebooting." I'm not too sure what I should do right now... any ideas? Thanks in advance.

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• How to make xxx.one.com load content from yyy.two.com

  - by Roy Peleg

  Hello, I'm currently in need to have xxx.one.com load the content of yyy.two.com. That means that when someone will enter xxx.one.com they'll actually see the content of yyy.two.com (URL in the browser won't change and will remain xxx.one.com). The domains are hosted on separate hosting company. yyy.two.com is on a cPanel and xxx.one.com is on an unknown hosting plan, though I can get its details. yyy.two.com have the same IP of www.two.com and this cannot be changed (as the hosting company told me). Any ideas on how do I tackle this issue? Thanks, Roy

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• Remote Control software for Mac

  - by MarqueIV

  One of the things I like about Microsoft's RDC Client is that the resolution of the experience is set by the client and not, say, a physical monitor connected to the host, as is the case with VNC; the latter being the protocol used by Mac. This means that even though I'm connecting to a notebook with a 1280x800 physical resolution, via RDC I can run it at 2560x1600 on my 30" monitor. However, that only seems to work for RDC. Does anyone know of something I can run on the Mac that will allow me to remotely control it at a different resolution than what is physically set? TIA, Mark

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• DD-WRT VPN error 800?

  - by MrZombie

  I have set up a router with DD-WRT Mega on my Asus WL-500gP V2, and I can't connect to the VPN service. I have set it up according to the configuration on the DD-WRT wiki, so the server IP is set to 192.168.1.1, which is the address of the router, and I set up the client addresses to be 192.168.1.20-29. My chap secrets are set up correctly, and still, I get an error 800 on windows XP. As far as I can tell, it means my network is unreachable. The server responds to ping.

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• unusual backspace behavior in mac terminal

  - by Brandon

  I'm trying to figure out how to get ssh sessions to work how I want using the terminal app on mac os x. I'm used to using PuTTY on windows, where backspace means backspace. On mac when I press delete/backspace on mac it deletes the character following the cursor instead of the one before. I turned on Delete sends Ctrl + H, and that works most of the time, but sometimes it just shows on the screen as ^H this is typically at prompts from some custom python scripts on the box I log into. This doesn't happen with PuTTY on windows. Btw I'm logging into a Ubuntu Linux server running openssh. Any idea what I need to do so that backspace is consistently backspace.

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• libcrypto.so.0.9.8: could not read symbols: Invalid operation

  - by Doug

  Trying to make PHP 5.4.4 with various extensions (I know you can apt-get this, but I need to do it because I have a new installation of Apache 2.4.2 which isn't available via repos). However, I am stuck and I don't know what this error means. /usr/bin/ld: ext/curl/.libs/interface.o: undefined reference to symbol 'CRYPTO_set_id_callback@@OPENSSL_0.9.8' /usr/bin/ld: note: 'CRYPTO_set_id_callback@@OPENSSL_0.9.8' is defined in DSO /usr/lib/libcrypto.so.0.9.8 so try adding it to the linker command line /usr/lib/libcrypto.so.0.9.8: could not read symbols: Invalid operation collect2: ld returned 1 exit status make: *** [sapi/cli/php] Error 1

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• What’s the password for my FileVault 2 boot volume?

  - by cbowns

  Apple’s support document for FileVault 2 (a.k.a. “full disk encryption” or “FDE”) has lots of information about enabling FDE and what it means for booting the machine. However, it doesn’t cover one very important thing I’m trying to do: mount the drive in the Recovery HD environment to reinstall OS X on it. The Recovery HD environment asks me for the volume passphrase so it can mount my drive and try to install OS X onto it. If this were an external drive which I’d manually enabled FDE on with diskutil, or an external Time Machine volume, I’d know it because it makes you pick one (just like a regular login password), but FileVault 2 never asked me for a volume passphrase (I assume it selects one behind the scenes). I’ve tried my main user’s password, but that doesn’t work, and neither does the recovery key set for the volume. Keychain Access doesn’t have anything that I could find. How do I unlock this volume?

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• How does DNS "get stuck"?

  - by Muhammad Mussnoon

  I recently registered a domain and got hosting from Dreamhost. But when even after three days, the website was not accessible, I contacted support about it. This is the response the support person gave me: "My apologies! The DNS had gotten stuck, so I went ahead and pushed that through for you. Please allow 2-3 hours for the DNS to propagate." Now I have to say that my knowledge regarding these things is virtually zero, and I couldn't understand what the support person meant, so I ran a search and it seemed that Mr. Google knew just as much as I did regarding this. Can someone tell me what "dns getting stuck" means?

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• GlusterFS vs Ceph, which is better for production use for the moment?

  - by Mickey Shine

  I am evaluating GlusterFS and Ceph, seems Gluster is FUSE based which means it may be not as fast as Ceph. But looks like Gluster got a very friendly control panel and is ease to use. Ceph was merged into linux kernel a few days ago and this indicates that it has much more potential energy and may be a good choice in the future. I am wondering which(even out of the two?) is a better choice for production use? It would be nice if you could share your practical experiences

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• Google privacy concerns: trustworthy alternatives for migration?

  - by Markos Fragkakis

  I have come to realize the tremendous amount of information Google has on its users. I am a typical Google user, using Gmail, Google Reader. This means that right now Google now has the following information at its disposal: Who my friends are (Gmail) What we talk about (Gmail, Google Talk) What news sources I follow (Google Reader) How frequently I check them and which ones I consider important enough to share (Google Reader) A lot of other stuff What I search about and when (if I search when logged in) (Web search) I have no reason to believe that this information is used for reasons other than adjusting what ads I am displayed when I visit a site with Google Ads. However, I have realised that I am in no position to be certain that this is absolutely true, or that it always will be. On the other hand, I don't want to reach the uber-privacy-maniac state of maintaining my own email server and installing a desktop RSS reader in all my machines. So, I am asking for your opinions: What services constitute a good set of alternatives to the Google services, promising better privacy? Pros: Privacy Free Powerful Usable

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• Can you authenticate into SSAS with AD LDS (ADAM) accounts?

  - by Jaxidian

  I'm very new to AD LDS and experienced but not qualified with SSAS, so my apologies for my ignorances with these. We have a couple implementations where we expose SSAS via an HTTPS proxy (msmdpump.dll) and currently we have a temporary domain setup handling this (where our end-users have a second account+creds to manage because of this = non-ideal). I want to move us towards a more permanent solution which I'm thinking of moving all authentication to AD LDS for our web apps, SSAS, and others. However, SSAS is where I'm concerned about this. I know SSAS requires Windows Authentication and to play nicely, and that this ultimately means Active Directory will be involved. Is there a way to get this done with AD LDS instead of having to use a full AD DS implementation? If so, how? (Note: My question over at StackOverflow had a suggestion that I post this question here on ServerFault instead. My apologies if I'm not asking in the right forum.)

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