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  • DNS not being "replicating" everywhere

    - by cromestant
    We have a DNS server, and created a new CNAME: lets say login.server.domain now, if I do NSLOOkup from within our network I get back the config (this is a public address) but if I test from outside I get a not found error.. ** server can't find login.server.domain NXDOMAIN What could be happening? why is this only replicating within our network? FYI config has over 48 hours so not a time issue. thanks in advance

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  • QNAP (469L) with Debian: can't connect to router

    - by agtoever
    I've been running my QNAP 469L with Debian (Wheezy deb7u3) for a few months. Yesterday I upgraded the memory to 4 GB. The system boots fine, but since the upgrade, I'm not able to connect the server to my router (a TP-Link WR941ND). My configuration: The router runs a DHCP server (192.168.67.100 and up), with a preconfigured ip address for the QNAP (192.168.67.10). The router is on 192.168.67.1. As said, Debian is installed on the QNAP (which can be regarded as a normal computer). Networking hardware on the QNAP: Intel PRO/1000 Network Connection using the e1000e kernel module. This is what I have tried so far: Replace the network cable (tried 3 different cables on different router ports). Check for messages from the kernel: dmesg | grep eth. Besides the normal hardware messages I get a ADDRCONF(NETDEV_UP): eth0: link is not ready for each call to ifup. Manually restart the network sudo server networking restart Check sudo ifconfig (eth0 is up, but no ip addresses). Check the /etc/network/interfaces which has (besides the loopback device) an allow-hotplug eth0 and iface eth0 inet dhcp, which is afaik the default Debian configuration. Since the server has two ethernet ports, I checked if I'm using the right port (checked the hardware address that ifconfig reports for eth0 is the same as the hardware address that is in the preconfigured ip address for the server in the router. Do a manual sudo ifdown eth0 && sudo ifup eth0 with no results (but an extra ADDRCONF(NETDEV_UP): eth0: link is not ready in the kernel log) Do a dhcp request dhclient -v eth0: for about a minute requests are send (according to the terminal) and at the end I get a No DHCPOFFERS received. No working leases in persistent database - sleeping.. Check the router system log if DHCP requests are received. I see them for some devices (my Mac, my iPhone) but not from the QNAP. The log entry looks like: DHCPS:Recv REQUEST from 84:85:06:07:75:6A and then a DHCPS:Send ACK to 192.168.67.101. There are no records from the QNAP's hardware address. So the two error messages that I do get are: ADDRCONF(NETDEV_UP): eth0: link is not ready for every ifup and No DHCPOFFERS received. No working leases in persistent database - sleeping. for every DHCP call.

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  • Running Virtualbox as a Transparent Bridge

    - by Goats
    I am setting up Untangle in a Sun VirtualBox VM. I plan on using this machine as a transparent bridge to filter and monitor traffic on my network. I'm not sure how to configure the network adapters for the virtual machine under the Virtualbox's "Devices" menu so that it will function as a transparent bridge. I guess what I'm asking is, should both adapter 1 & 2 be set as Bridged adapters or what? Any help is greatly appreciated.

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  • debian lenny : problem modifying static ip

    - by supertiti
    hello all, i'm trying to change a static ip assigned to a debian VM. I modified the /etc/network/interfaces file but my debian doesn't seem to like the new settings currently the machine's ip is set to 192.168.1.136 and i want the machine's ip to be set to 192.168.1.8 here's my modified /etc/network/interfaces : auto lo iface lo inet loopback allow-hotplug eth0 auto eth0 iface eth0 inet static address 192.168.1.8 gateway 192.168.1.1 netmask 255.255.255.0

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  • Why my samba printer is not visible (after boot) until i restart smb ?

    - by j23tom
    I've an old hp1100 and ubuntu 9.10 and now upgraded to lucid prerelease. I can't see my printer on network (using smb://mycomputer on nautilus or \mycomputr from xp). As long as i will not restart smbd (on lucid: sudo restart smbd) my printer is not visible as network share. All file shares are always visible. My printer is visible and working after smbd restart Any clue what might cause this ?

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  • Ubuntu Server static IP

    - by FoxyShadoww
    I am trying to give my server a static ip address. This seems to work without any problems, but I can't seem to get an internet connection after this process. I've also changed my dns server to 8.8.8.8 (google dns right?). OS: Ubuntu Server 12.04 x86 Environment: Virtualbox File: /etc/network/interfaces: auto eth0 iface eth0 inet static address 192.168.2.10 netmask 255.255.255.0 network 192.168.2.0 broadcast 192.168.2.255 gateway 192.168.2.1

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  • Solaris 10 very slow ssh file transfers

    - by user133080
    Trying to copy a few TBs betweek Solaris 10 u9 systems A single scp only seems to be able to transfer around 120MB/min, over a 1GB network. If I run multiple scp copies, each one will do 120MB/min, so it is not the network as far as I can see. Any hints on how to tweak the Solaris settings to open a bigger pipe. Have the same problem with another piece of software that unfortunately does not seem to be able to be split into separate processes.

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  • Losing connection to server from several computers

    - by user3696358
    I have a PostgreSQL server running Oracle Linux. In my network I have several workstations each running different OS (Fedora, Ubuntu, Windows). Every once in a while I lose connection from the several workstations to the server while other workstations can connect with no problem. If I do service network restart from the server the problem is solved and everyone can work until the next time it returns. Any clues? Thank you, Ben.

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  • IPMSG problem in windows 7 ?

    - by FrozenKing
    I have always used IPMSG for chatting across the LAN. It has been working well under Windows XP, but after I installed Windows 7 it has stopped working. When I am connected to the internet I cannot see anyone else on the local network. As soon as I disconnect the internet I can see everyone on the local network perfectly fine. I am using the latest versino of IPMSG. Does anyone have any ideas or knowledge of this problem?

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  • NIC going to sleep on Ubuntu Server 10.04

    - by user43390
    When I leave my server idle for about 10 minutes the network will stop responding to outside connections. If I get on the server and attempt to use the network(ping google for example) there will be a delay for a few seconds and then it works. After this incoming connections work again until I leave it idle again. Why does this happen and how can I fix it?

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  • Connect to multiple VPNs?

    - by Joe Lyga
    I need a way to connect to multiple VPNs. It's to access camera systems and resources that are on different networks as a client. One VPN could be a company network, and another a city network. Is there a straightforward way to do this? I've experimented with setting up multiple virtual machines in virtualbox already, and I'd like to avoid having to have a full OS installation for every VPN I want to connect to.

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  • Do newer physical interfaces make a better linux firewall?

    - by pfyon
    At work we use an old (10 year old) linux box with 4 interfaces to act as router/firewall for the network. There's never really been a need to change it since it's stable and handles all our needs. I'm wondering, though, would replacing the network interfaces with newer ones provide a benefit? Besides the obvious bandwidth increase (eg. 100MBit to GBit), would there be a latency reduction, or do newer cards pretty much do the same thing as old ones?

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  • Are there any OpenGL implementations which can use a server to do the rendering?

    - by user1973386
    Assume I have 2 independent machines, one running Debian sid, and the other running Windows 7. The one running Debian sid has a decent graphics card, the Windows 7 machine has no graphics card and a weak processor. The two are connected over a fast local network. Are there any OpenGL implementations, where Windows 7 would use the Debian machine's graphics card to do OpenGL rendering "over the network"?

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  • Atheros ar5005g

    - by georgesbou
    I have a wireless atheros ar5005g card in my Acer aspire 5040 laptop.My problem is "cannot find network".All other wireless laptops see my network . I have win7 installed with the latest drivers.Any help will be appreciated Thank you

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  • Dell Vostro 3560 bluetooth doesn't work

    - by Shein
    I installed the wireless driver using this instruction How do I install BCM43142 wireless drivers for Dell Vostro 3460/3560 and I have WiFi working. No problems here. But unfortunately the bluetooth doesn't work. The ubuntu bar shows the bluetooth sign and I can turn the bluetooth on/off but I can't discover any devices. And I can't find my laptop when I turn visibility On. So, obviously bluetooth doesn't work. I couldn't find the reports that blutooth can actually work with this adapter in Ubuntu. So, my question is: Is there anyone with BCM43142 adapter that have bluetooth working? Thank You in advance. PS. Ubuntu 12.10 x64 Update: After some fiddling around with different drivers from different sources I managed to get bluetooth working. Not flawlessly but at least I can pair a device. Bluetooth started working after installation of this package bt-bcm43142-onereic_0.0+20111116somerville2_amd64.deb Originally I found this package on the disk with Ubuntu which came with the Laptop. What this package does, it installs a firmware loader and a firmware itself. This firmware needs to get bluetooth working. Still bluetooth sometimes doesn't work even with this package. But manual loading the firmware helps. brcm_patchram_plus_usb --patchram /lib/firmware/BCM43142A0_001.001.011.0028.0036.hcd hci0 Also I found it strange that this package writes all different ids into /sys/bus/usb/drivers/btusb/new_id because only one from the list matches my device ID bcm43142.conf: install btusb /sbin/modprobe --ignore-install btusb && echo '0a5c 21d3' > /sys/bus/usb/drivers/btusb/new_id && echo '0a5c 21d7' > /sys/bus/usb/drivers/btusb/new_id && echo '0a5c 21e1' > /sys/bus/usb/drivers/btusb/new_id && echo '0a5c 21e3' > /sys/bus/usb/drivers/btusb/new_id && hciconfig hci0 up && /usr/bin/brcm_patchram_plus_usb --patchram /lib/firmware/BCM43142A0_001.001.011.0028.0036.hcd hci0 & My lsusb: ... Bus 002 Device 003: ID 0a5c:21d7 Broadcom Corp. In conclusion: bluetooth works not nearly as good as in windows :( once I even got a complete crash of the system because of the btusb module. Luckily WiFi works perfectly :)

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  • PerformanceCounter.NextValue hangs on some machines.

    - by Poma
    I don't know why, but many computers hangs on following operation: void Init() { net1 = new List<PerformanceCounter>(); net2 = new List<PerformanceCounter>(); foreach (string instance in new PerformanceCounterCategory("Network Interface").GetInstanceNames()) { net1.Add(new PerformanceCounter("Network Interface", "Bytes Received/sec", instance)); net2.Add(new PerformanceCounter("Network Interface", "Bytes Sent/sec", instance)); } } //Once in 1 second void UpdateStats() { Status.Text = ""; for (int i = 0; i < net1.Count; i++) Status.Text += string.Format("{0}/{1} Kb/sec; ", net1[i].NextValue() / 1024, net2[i].NextValue() / 1024); } On some computes program hangs completely on first call of UpdateStats(), others experiencing 100% CPU load but program works (slowly). Other counters like new PerformanceCounter("Processor", "% Processor Time", "_Total") seems to work fine. Any suggwstions why is that?

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  • HttpWebRequest and BindIPEndPointDelegate getting socket exception

    - by Evgeny Gavrin
    I've got c# code running on a computer with multiple network interfaces, and the following code to select an IP address for a HttpWebRequest to bind ServicePoint: HttpWebRequest request = (HttpWebRequest)WebRequest.Create(remoteFilename); request.KeepAlive = false; request.ServicePoint.BindIPEndPointDelegate = delegate( ServicePoint servicePoint, IPEndPoint remoteEndPoint, int retryCount) { return new IPEndPoint(IPAddress.Parse(ipAddr), 0); }; But it works only for one of the available network interfaces. Trying to access remote server through others throws an exception: System.Net.WebException: Unable to connect to the remote server --- System.Net.Sockets.SocketException: A socket operation was attempted to an unreachable network How can it be solved?

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  • SSIS packages incompatibilities between SSIS 2008 and SSIS 2008 R2

    - by Marco Russo (SQLBI)
    When you install SQL 2008 R2 workstation components you get a newer version of BIDS (BI Developer Studio, included in the workstation components) that replaces BIDS 2008 version (BIDS 2005 still live side-by-side). Everything would be good if you can use the newer version to edit any 2008 AND 2008R2 project. SSIS editor doesn't offer a way to set the "compatibility level" of the package, becuase it is almost all unchanged. However, if a package has an ADO.NET Destination Adapter, there is a difference...(read more)

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  • BPEL 11.1.1.2 Certified for Prebuilt E-Business Suite 12.1.3 SOA Integrations

    - by Steven Chan
    A new certification was released simultaneously with the E-Business Suite 12.1.3 Maintenance Pack late last year:  the use of BPEL 11g Version 11.1.1.2 with E-Business Suite 12.1.3.  There are two major options for SOA-related integrations for the E-Business Suite:Custom integrations using the Oracle Application Server (SOA) Adapter for Oracle ApplicationsPrebuilt SOA integrations for E-Business Suite using BPEL Process ManagerFor more background about these two options, please see this article:BPEL 10.1.3.5 Certified for Prebuilt E-Business Suite 12 SOA Integrations

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