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  • Anyone interested in obtaining a cable list from a visio Diagram? [closed]

    - by Alex
    it's my first post here. Just wondering if anyone had to deal with the following problem - you have to install over say a 100 network elements and servers - cabling is done via contractors, so you need to provide them with an accurate, error-free cable list - your inputs are a set of detailed, port by port, visio diagrams. Prb is to obtain the cable list and get the cabling started while you're busy crafting the switch/routers configs. I coded a Visio plugin, which I plan to release under the GNU license, that returns a cable list from a diagram, and tested it on intermediate size infrastructure, 2K+ cables. It works well. The tool needs a little work to be user friendly, so before getting started, I wanted to know if that was worth the effort. Questions are welcomed, let me know -A PS: the tool is targeted for those who need a port by port description of their network, in the form Source/slot/port/Destination/slot/port.

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  • Frequent disconnects with oneiric server using wlan AR9285

    - by John Neil
    I'm getting a large number of disconnects from my wireless when I switched to oneiric server (I did not see these happen with oneiric desktop) from my AR9285 wireless LAN device. Here is the syslog snippet: Oct 17 09:43:17 weather kernel: [ 1537.329138] wlan0: deauthenticated from 00:12:17:7a:8e:42 (Reason: 7) Oct 17 09:43:17 weather kernel: [ 1537.340409] cfg80211: All devices are disconnected, going to restore regulatory settings Oct 17 09:43:17 weather kernel: [ 1537.340423] cfg80211: Restoring regulatory settings Oct 17 09:43:17 weather kernel: [ 1537.340435] cfg80211: Calling CRDA to update world regulatory domain Oct 17 09:43:17 weather kernel: [ 1537.348571] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain Oct 17 09:43:17 weather kernel: [ 1537.348581] cfg80211: World regulatory domain updated: Oct 17 09:43:17 weather kernel: [ 1537.348586] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Oct 17 09:43:17 weather kernel: [ 1537.348594] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348600] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348607] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348613] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Oct 17 09:43:17 weather kernel: [ 1537.348620] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Here is the relevant lspci output: # lspci | grep Atheros 02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) I have done quite a bit of searching and saw discussions for previous versions of ubuntu that recommended installing the linux-backports-modules package. However, this does not appear to be available for oneiric (just the headers are listed as a package). Any advice on how to achieve a stable wireless connection for this server? It's location mitigates against using a wired connection.

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  • How to do networking between virtual machines in VirtualBox?

    - by Sanoj
    I have two virtual machines in VirtualBox. I would like to do networking between them. For the moment I have the default configuration on both, but they seams to have the same IP-address 10.0.2.15. I would also like to be able to use Internet with both, and that is Possible now. By default the network-setting is NAT, but I seams like they cannot network internally since they have the same IP. But If I change to internal networking I guess that I cannot access Internet with the virtual machines. How can I set up networking between virtual guest AND have access to Internet on them?

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  • Java.net Reborn

    - by Bob Rhubart
    Java.net, the home of  Java community projects, has been re-launched with a new look and new tools for developers.  The move from CollabNet to the Kenai infrastructure offers more flexibility for developers who want to host or contribute to community projects.  Instead of the large, fixed infrastructure per project (for example, several mailing lists per project), Kenai's ala carte features allow users to take only what they need. "We will continue to have the great mix of blogs, forums, and editorial content as well as new tools on the project side, including Mercurial, Git, and JIRA for developers," Java.net Community Manager Sonya Barry explains.  The migration was huge effort. Over 1400 projects were migrated (and some 30 projects are left to go). A large part of the migration was a big cleanup of abandoned projects. With the high abandonment rate of open source projects, the was a lot to remove. The new java.net site is smaller, faster and now the percentage of good, current content is much higher. Check it out at http://home.java.net/   Technorati Tags: java,java.net,oracle,oracle technology network del.icio.us Tags: java,java.net,oracle,oracle technology network

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  • Get/Assign IP addresses assigned by the DHCP sever with DLink switches in between

    - by Ranjith Kumar
    In our office the setup is like we have a UBUNTU server with DHCP Server connected to all the PCS via 24 port and 8 port DLink switches. How can I find all the PCS(with client name, ip and mac address)in the network?? When I do "vi /var/lib/dhcp3/dhcpd.leases", I get all the ip addresses for the switches. I have used "arp-scan --interface=eth0 --localnet" to get all the IPs and MAC Addresses in my local network. I couldn't find any option to diplay client name. Also I would like to assign particular IP for a particular PC. I have done the changes in the dhcp.conf file but it is not working as they are not directly connected to DHCP-server(DLink switches in between). How can I assign IPs for PCs in this kind of setup. Thanks in advance

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  • How do I prevent libvirt from adding iptables rules for guest NAT networks?

    - by Jack Douglas
    Similar to this old request on BugZilla for Fedora 8, I'm hoping something has changed since then or someone knows another way. I want to manage the iptables rules by hand—the one-size-fits-all automatic rules don't suit me at all. These rules seem to be added and removed when a network is started and destroyed. Is there a way of either preventing these rules being added at all or hooking a script into the network start that restores the default rules afterwards. For now, I'm using a very crude method with cron, but I hope there is a better way: * * * * * root iptables-restore < /etc/sysconfig/iptables

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  • "Play on another device" function not working with Samsung Allshare

    - by Tural Teyyuboglu
    Briefly I can't get work "Play on another device" function More detailed My Samsung TV (which support network) and PC are in the same network. The problem is, I can play PC contents from TV. But when I try to control TV remotely from Allshare software (PC), it shows TV only as connected device: But not as remote player in "players" list The result Tried to turn off firewall completely, reset router, re-install software. No success. Please help. BTW. On this link they kinda explained how to do it, but I software doesn' detect the TV as player in my case: http://www.samsung.com/global/allshare/pcsw/quickguide.html

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  • Cannot ping any computers on LAN

    - by Timothy
    I havem't been able to find a straight forward answer on this yet. I'm hoping people here are able to help! Keep in mind that I'm a complete beginner at this - this is the first installation i've done for any LINUX systems ever so please keep that in mind when answering this question. We are a complete Windows shop, using nothing but Microsoft products but looking into the value of OpenStalk however have been having problems getting Ubuntu Server installed and speaking to the network. The machine is getting an IP address which is telling me that some sort of DHCP activity is working but I'm not able to ping any computer on our network as well as not able to connect to the internet. Every time I try to ping i'm getting; Destination Host Unreachable I've tried using modifying the resolv.conf file with our static details to match my Windows 7 machine still with no luck. Even tried disabling the firewall on Ubuntu Server 11 and no luck. Any ideas? Please let me know if there is any information you need from the server and I'll post up.

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  • Configure TCP/IP to use DHCP and a Static IP Address at the Same Time

    - by Tiago
    My computer is configured to obtain a IP address automatically using DHCP. It only has one network adapter. How to configure an additional static IP address? I found a tutorial for Windows XP, but the procedure didn't work for Windows 7. Is it possible to configure two IP addresses on Windows 7, one being static e another being dynamic? How? The dynamic address I got now is 10.17.11.162. The static IP is 10.17.30.19. The network mask is the same: 255.255.224.0. Both work independently, but I don't know how to use both at the same time.

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  • How to get wireless working (properly) with Sitecom Wireless USB micro adapter 300N on Windows 7?

    - by Timo
    The question says it all, but more detail follows ;) I've got a new computer that runs Windows 7 64-bits (Home Edition) and I'd like to connect it to my wireless home network (Sitecom wireless gigabit router 300N wl-352 v1 002) with a Sitecom wireless USB micro adaptapter 300 wl-352 V2 001. After installing the router (i.e. connected to the modem and power) and ensuring that wireless is indeed enabled, I've installed the driver of the USB adapter on the new computer described above. After the installation (drivers and utility on CD) completes successfull I rebooted my computer and inserted the USB adapter. After discovering the right network and connecting to it using the network key, a connection is succesfully made. (Using the Sitecom 300N USB Wireless LAN utility). In the LAN utility I can see that the signal strength is approximately 50% and connection quality is approximately 80%. Judging from these numbers I assumed that all was fine and started to use the connection (reading news on nu.nl, a dutch news site), but noticed that the connection was lost several times in a very short time span, but each time the connections was resumed, resulting in the 50/80 percent numbers described above. However, the website was not loaded completely and often a timeout would be reported. When inspecting the drivers through Device Management (Windows' Apparaatbeheer in dutch) there were no errors/warnings; everything seemed to be in order. In an attempt to solve this, I downloaded the latest drivers for the USB adapter, but the problems remained. Finally I tried to connect the computer with a Siemens Gigaset USB Adapter 108. This process was a troublesome since I had to download a driver (from the site above) and tell Windows (7) to use the Windows Vista driver when installing the new hardware, since there is (was) no Windows 7 driver available. This resulted in a usable connection, although not very stable when reconfiguring the router. Which took the form of selecting a different wireless channel on the router, even using the Sitecom utility mentioned above to check if there were other networks communicating on that channel (and thus picking a channel that was not used by other networks). Again no result when changing back to the Sitecom USB adapter. Note that this means (I think) that I could use the internet connection with the Siemens adapter, meaning the problem was not in the router. So: How to get wireless working (properly) with Sitecom Wireless USB micro adapter 300N on Windows 7? PS Sorry, but should be able to post one link, while I had links in place for the USB adapter, router and the siemens adapter in place as well, but I'm not (yet) allowed to post these... (The site says I can post one link, but only when no links are present will it allow me to post the question...)

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  • Microsoft Forefront Management Gateway 2010 - Which topology to choose for monitoring only server?

    - by MadBoy
    Hello, I've installed Forefront and wanted to use it as monitoring traffic solution until we decide to put it as a router. I've 2 nic's assigned to this virtual machine. One NIC has connected port which is "mirror port" of our WAN redirected on switch so it sees all the network traffic flying by. The other NIC is internet access. This server is located inside our lan network. What topology should i choose and which options I should look at to be able to see which traffic is used (SMTP, WWW etc) and who does what? We had cases of infected machines with spam and we want to be able to see that some machine is sending large amounts of mails. Is that possible ?

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  • Setup Windows Media Player 11 to stream from TVersity

    - by snorfys
    I've got TVersity installed on a Windows 2003 server box (work had an extra license that they donated to let me install at home to get some practice setting up/administering a domain etc.) I found out that Windows Media Player 11 won't install on Windows 2003, but installed TVersity instead and streaming to my 360 is working great. Problem is that I don't know how to setup streaming to any other PC on the network. All of the PCs have access to the shared network folder, but playing from there doesn't stream and the stutter is pretty bad. Is there a way to setup Windows Media Player 11 or another player to stream from TVersity?

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  • both IPV4 and IPV6 at the same time over DSL connection?

    - by namiheike
    Let me describe my situation: while I connect computer with the wire, I've got an IPV6 address automatically, there's a "Wired connection" tab in network manager, and I can access an website that support IPV6 (google,facebook,twitter...)with a hosts file, or use the proxy like google.com.sixxs.org But if I want to access the whole internet, I have to create a DSL connection with username and password that ISP gave me. BUT after I change my connection into this DSL connection, I cannot access website over IPV6, even there's the site's ipv6 address in /etc/hosts, then I realize that I lose my IPV6 connection, because the ping6 says connect: Network is unreachable. the problem is, there's no IPV6 tab or options about IPV6 in the configure of DSL connection. It feels like I can only use one connection at the same time, but the DSL doesn't support IPV6 and the wired connection doesn't support IPV4(I mean, there's no way to input the password the ISP gave me) maybe make somebody uncomfortable, but when I work in MS windows, there's no such problem, (maybe just feel like) I can access V4 and V6 at the same time. So how to solve with this? thanks a lot. I'm in 11.10 + gnome3

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  • Server 2012 R2 DNS Conditional forwarding not working reliably, possible caching issue?

    - by Matt
    I have a bit of a home lab setup with a domain controller that is acting as the DNS server for my network. For everything, it's working fine and forwards external DNS requests to my ISP. The household recently wanted to get Netflix going and it seemed a DNS option was better than a VPN to get around the region locking, so I signed up for unblock-us.com Since I have a Windows DNS server I thought I'd be clever and make use of conditional forwarders and added the Netflix domain to the list. Initially this worked well and all devices on the network could now access Netflix, however after about an hour going to the Netflix site would result in a page cannot be found. Doing an nslookup of Netflix.com from my PC resulted in it not returning any IP addresses. As a test, I deleted the Netflix domain from the DNS servers cache and things started working again - devices could get to the site again however the same thing happens again after around half an hour to an hour. Have I missed something here that's causing it to stop working?

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  • EPM Architecture: Reporting and Analysis

    - by Marc Schumacher
    Reporting and Analysis is the basis for all Oracle EPM reporting components. Through the Java based Reporting and Analysis web application deployed on WebLogic, it enables users to browse through reports for all kind of Oracle EPM reporting components. Typical users access the web application by browser through Oracle HTTP Server (OHS). Reporting and Analysis Web application talks to the Reporting and Analysis Agent using CORBA protocol on various ports. All communication to the repository databases (EPM System Registry and Reporting and Analysis database) from web and application layer is done using JDBC. As an additional data store, the Reporting and Analysis Agent uses the file system to lay down individual reports. While the reporting artifacts are stored on the file system, the folder structure and report based security information is stored in the relational database. The file system can be either local or remote (e.g. network share, network file system). If an external user directory is used, Reporting and Analysis services also communicate to this directory. The next post will cover WebAnalysis.

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  • IP stops working from time to time

    - by Mattias
    Hi, have a problem that I can't seem to find the reason for. We are running a small network with windows clients(XP/Win7) and windows servers(2008 sp2/2008r2). The domaincontroller is working as DC, DNS, DHCP, VPN. We have a Level1 FBR4000 between internet and our internal network. The problem is that from time to time specific IP-adresses stops working, the only way I have gotten the devices to work again is to exclude the specific IP from the DHCP address pool and getting a new IP, then everything works again. It seems as the specific IP is beeing banned/blocked somewhere but I just can't figure out where. Anyone got an idea as to where I should start to look? I could also point out that I just reinstalled all servers due to a officemove and was hoping to get away from this problem but it just showed up again. This last time it was my iPhone that got stuck through the Wi-Fi...

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  • Protecting Windows SMTP service against the spam

    - by MainMa
    Hi, I'm trying to use a Windows SMTP service on Windows Server 2008, but I can't understand how to secure it. Basically, if I open firewall for local network IPs only for %windir%\system32\inetsrv\inetinfo.exe and keep Connection and Relay settings of SMTP Virtual Server to "All except the list below" (with an empty list), a few minutes later I see spam appearing in Queue directory. (Why? Isn't firewall intended to block this?) Now, if I set Connection or Relay to "Only the list below", specifying the range of local IPs, I can't use the SMTP server nevermore (a "Unable to read data from the transport connection: net_io_connectionclosed." exception is thrown). So what is the way to get rid of spam from internet but let send mails from local network?

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  • Lightweight Live Linux Image

    - by MA1
    I am working on an application which is being developed in wxPython and C plus using linux core utilities and network support. To be more specific, I only need the following support for following packages/softwares/components. wxPython C Network Support Linux Utilities Vi File System(fdisk/parted, ntfsprogs etc) Basic(cp, mount/umount, mkdir etc) The application will run from a live CD. Currently i am using Fedora 12 with Gnome for live CD. Currently the size of live image is around 350 MB. The size of application is hardly 1 MB. I don't need anything else except above mentioned. Just my application and supporting packages, no desktop etc. So, I need a Lightweight Linux image as smaller as possible providing all the above mentioned packages/components. I am considering the following distributions: Xfce LXDE Fluxbox Enlightenment Any ideas/suggestions?

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  • How to stop ethernet interface in bridge configuration from obtaining IP address via DHCP

    - by user71061
    Hi! I'm trying to configure openvpn in bridging configuration. First step of doing this requires creating bridge interface (br0), bridging together physical ethernet interface (eth0) and logical tap0 interface. This can be done with simple script but I want to use less popular approach, configuring bridge interface entirely via /etc/network/interfaces file (on Debian linux). So I have removed all eth0 definitions form /etc/network/interfaces and replaced if with following br0 definition: auto br0 iface br0 inet static pre-up openvpn --mktun --dev tap0 address 10.0.0.1 netmask 255.255.255.0 bridge_ports eth0 tap0 post-down openvpn --rmtun --dev tap0 This works as I expected, but there is only one problem: interface eth0 is part of bridge interface br0 AND it also receive it's own IP address from my DHCP server (located on same LAN where eth0 is connected). My questions is: how to stop eth0 interface from obtaining it's own IP address? (It should only be part of br0 bridge).

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  • Tiny linux box with 2xGbLAN, WLAN and 10MB/s AES throughput?

    - by Nakedible
    I'd like to find a small linux box with the following specifications: Small (mini-ITX size is OK) Fanless Runs Debian At least two gigabit network interfaces WLAN that supports "host ap" with hostapd + mac80211 in AP mode Can encrypt AES at least 10 megabytes per second Total cost $300 or less Solutions from multiple parts also accepted - I can buy an external network card etc. and build the box myself if the components are available. If you don't know about the "host ap" thing, just suggest your solution, I'll find out if I can get that resolved. If I can't get all that, I can possibly skip the "runs Debian" part, and I can definitely skip the hostapd part if the box can be a wireless access point with multiple ESSIDs out of the box. Something like Asus RT-N16 is close - doesn't run Debian easily, and probably doesn't encrypt AES fast enough. Something like Zotac ZBOX HD-ID11 is also close - no idea which WLAN card it has and it lacks second gigabit interface, but otherwise nice.

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  • DHCP-server doesn't start at boot because of wrong startup order

    - by stolsvik
    Apparently the isc-dhcp-server is started too early in the boot sequence, it states that it has nothing to do. If I just log directly in as root and start it using the init.d-script, it starts normally. My setup is basically an utterly standard router, with an eth0 on the inet side, and an eth1 on the lan side. However, I've defined a bridge instead of the eth1 for the lan-side. Thus, the lan-part of the network isn't up until the bridge is up. I currently believe that the dhcp server is brought up before the bridge is brought up, probably because the bridge is brought up with the 'networking' task, while the eth's are taken up with the 'network-interface' tasks - which are run earlier. (also, the bridge takes a small age to get up compared to the eth's). If I do take away the bridge config, instead using eth1 directly for the lan side, things work. (However, judging by syslog, things are still tight.) Ideas of how the get DHCP to start later? (The reason for the bridge, is to be able to use KVM with bridged networking..)

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  • Debian on Hyper-V

    - by Tobia
    I installed Debian with kernel 2.6.32-5-686 on a Hyper-V virtual machine. I had to add a legacy network card. I follow this tutorial http://www.microsofttranslator.com/bv.aspx?ref=Internal&from=ru&to=en&a=http://blogs.technet.com/b/abeshkov/archive/2011/03/17/hyperv_5f00_debian.aspx to add Hyper-V driver but when I reboot with the new kernel it crash during bootup. Is there any other way to load hyper-v drivers? I really need to change that legacy network card because my debian machine is going to be used as proxy. Thank you.

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  • Simple NAS setup for Ubuntu

    - by Sean Houlihane
    So, I want to connect my shiny new NAS (QNAP TS-210p II) to my Ubuntu 11.10 box. I have a 2nd Ubuntu machine, but I don't use that enough to be too worried about it. Use is ideally to offload all storage except for system (which can then run off a 30GB flash drive). The main machine also runs Myth front/backends. Both are on a wired network currently. I have got a basic setup working, mounted over NFS, but have some issues, and whenever I look for answers, I seem to get unto the UbuntuServer domain, with what seems like more detail than I want in an answer. Questions I have identified so far: 1) Sharing UIDs to get file permissions correct. LDAP or something else? What is necessary to make this work? 2) Mounting an NFS device reliably. Do I just add it in fstab or is some sort of auto-mount advisable? Its a wired network, but I shouldn't need to worry about reboot after power-outages and sequencing...

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