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  • Go Big or Go Home

    - by Justin Kestelyn
    The Oracle Develop conference (#oracledevelop10), being co-located for the first time ever with JavaOne in San Francisco, is guaranteed to be the ultimate rush for developers this year. Where else can you go to learn about, interact with, and meet fellow devotees of the entire Oracle Development stack (welcome, Oracle Solaris)? This will also be the first time that the community space traditionally located at Oracle OpenWorld - and hosted by Oracle Technology Network, as always - will be present at the "developer" conference during this busy week. So, Oracle OpenWorld's loss is Oracle Develop's gain. And what a community space it will be: nearly 4,000 square feet for meeting space, contests and give-aways, consumption of various beverages, special speakers (Oracle ACEs among them, no doubt), and video-casting. The entire Oracle Technology Network crew will be on hand to "facilitate" your experience, of course. Even better, you can rub shoulders and share war stories with attendees from that "other" conference, JavaOne. (You have access to both conferences as a single package, so you may be having a conversation with yourself.) We call the whole enchilada "The Zone". As time goes on, we'll bring you more news about the activities described above, as well as OTN Night (which proves to be more raucous than ever), technical sessions and keynotes not to be missed, the unconference/open sessions, things to do at night, and more. In the meantime, stay in touch with us via Twitter or Oracle Mix.

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  • How can I prevent OpenVPN from clobbering local route?

    - by ataylor
    I have a local network on 192.168.1.0 with netmask 255.255.255.0. When I connect to a VPN though OpenVPN (as a client), it pushes a route for 192.168.1.0 that clobbers the existing one, making my local network inaccessible. I don't to access anything on 192.168.1.0 on the remote machine; I'd like to just ignore it, while accepting the other routes that are pushed. My client is Ubuntu 10.10. How can I skip the one offending route?

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  • RDP and New Accounts

    - by leeand00
    I created a new user account on the domain and added them to the Remote Desktop Users group. I could login just fine locally, but when I logged in remotely I was basically told that I could not login from there using that user. I could login just fine as the administrator or anybody else other than that new account. So I researched it a bit more and found that my setting looked like this on the local machine: So I changed it to Allow connections only from computers running Remote Desktop with Network Level Authentication (NLA). Now when I tried this down at my office I connected with RDP just fine on another computer. But low and behold when I got home and simply try to connect to the machine, I get the message: There has to be some kind of in between setting, or additional setting that I need to change on the user that allows me to connect directly via remote desktop over the VPN. At the moment I can connect by connecting to another computer on the network and then RDPing from there into my machine, but this is not ideal.

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  • Port forwarding problem

    - by Steve
    I have a modem connecting to ADSL2 network and a router connecting to the modem. The rest of the machines all connect to the router. The modem has IP as 192.168.1.1 and the router's IP is 192.168.0.1. From the modem configuration, I can see that the modem thinks the router's IP is 192.168.1.2. I can visit the router by either using 192.168.0.1 or 192.168.1.2. Now I forward a port from the router to a private machine. It works. I can test it by typing 192.168.1.2 and it is redirected to the private machine. But if I use 192.168.0.1, it is still the router's configuration page. I also do a port forwarding on my modem. Since the modem sees only the router, I can only forward the port to the router's specific port. And I am thinking that by doing this, I can reach the private machine after two times port forwarding, once on the modem and once on the router. I also have a static public IP. I want to achieve the goal that when someone types the public IP, he will be redirected to the private machine. But when I use some online port forwarding tester, the result always says that the port is closed on the public IP. I have the questions: Why my router has two IPs? Why using one IP I can see the port forwarding result while using the other I cannot? I think the port forwarding only works when visiting from outside, rather than from both outside and inside. Otherwise, if I set port forwarding on my router/modem on port 80, I will never be able to see its original configuration page again. Everything is forwarded. Am I right? How can I achieve my goal described above? By achieve this, I will have a dedicated server of my own and the users can visit from the public IP. Anyone can correct me on any mistakes I made? I am using Netconn modem and D-Link DIR-300 router. Thank you very much for any help. Edit: Consider I have correctly setup the whole thing. Now I want to test my website by using public IP to visit it, but the port forwarding doesn't work. Does it consider that I am inside the local network and not using the port forwarding? If so, how can I do it? I ask my friends (outside my local network) to have a try and they can see the website. What should I do so that from the inside, I can do the testing? Thank you very much.

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  • Nt4.0 Printer Driver not compatible with Vista?

    - by PhillC
    I've got a Brother Fax-8360P printer that has a standard printer port so it can be connected to my WindowsXP machine. I've found some drivers on the net that work and it is a pretty decent laser printer. However, when I try and connect up to it from my Vista machine over the network, it tells me that "The printer driver is not compatible with a policy enabled on your computer that blocks NT4.0 drivers". Main question - is it possible to alter this so that my Vista machine will allow me to print via the network. Secondary question - does anyone know of any generic driver that will work instead?

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  • Public IP Routing over Private GRE tunnel

    - by Paul
    I have a GRE tunnel configured between two linux boxes. The tunnel works fine. I can ping from each host the other private ip. Head privateip: 10.0.0.1 publicip: 8.8.8.8 Tail privateip: 10.0.0.2 publicip: 7.7.7.7 The public IP on Tail has the network block 9.9.9.0/23 statically routed over the 7.7.7.7 interface. The idea is to make the 9.9.9.0/23 ips work on servers on the 8.8.8.8 network. I configure the tail host to route the /23 block. I mounted a 9.9 IP on the head server. I can ping the 9.9 ip from the tail to the head. I can't ping the 9.9 ip from the public internet. I think I need to add some other routes because of gateway issues, but I can't seem to wrap my mind around it (not a router guy, just beating my way through something that I have never done before and vaguely understand) --danks

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  • Learn How to Use Oracle’s Spatial and BI Tools for Location-aware Predictive Analytics

    - by Mandy Ho
    November 29, 2-3pm EST Are you a OBIEE (Oracle Business Intelligence Enterprise Edition) user? Have Location data you'd like to incorporate into your analysis as well? This is a great webinar for you! Join us, as Oracle experts from both teams show how to perform perdictive analytics, network analytics and spatial analysis, combined together, in real world scenarios. We will include demos evaluating airline on-time performance and retail establishment performance.  Learn how to: - Gain better business insights and improve ROI with Oracle Spatial and Graph, Oracle Advanced Analytics, and Oracle Business Intelligence Enterprise Edition (OBIEE). - Streamline and remove the complexity of building applications with OBIEE’s built-in location and analytics features. - Create the statistical model, build interactive reports and dashboards including location analysis and map visualization, and incorporate network analytics for geomarketing and site scoring. - Perform location analysis and processing such as proximity, containment, geocoding, aggregation of geographic regions, and more. Speakers include Jayant Sharma, Director, Product Management, Oracle Spatial and Mapping Technologies; Jean Ihm, Principal Product Manager, Oracle Spatial and Mapping Technologies; and Abhinav Agarwal, OBIEE Product Management. Who should attend This webinar is appropriate for CIOs, business and technical managers, developers, and analysts involved in design and management of analytic applications and solutions where spatial analysis can add insight and value to business processes. Click here, or the link below to sign up today! https://www2.gotomeeting.com/register/764677554

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  • Event SRV error 2012 in Windows Server 2008 R2

    - by Natkeeran
    Error Warning "Event SRV error 2012 in Windows Server 2008 R2" is being logged with increasing frequency. NIC drivers were updated recently. There are some drops in the switches. This is the error: SRV 2012 While transmitting or receiving data, the server encountered a network error. Occassional errors are expected, but large amounts of these indicate a possible error in your network configuration. The error status code is contained within the returned data (formatted as Words) and may point you towards the problem.

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  • ifconfig return "unknown interface: no such device"

    - by xolstice
    I'm trying to install a Linux driver for my wireless network card (D-Link DWL-G510) on my Red Hat Linux 7.1 machine with a 2.4.37.9 kernel. I downloaded the serial monkey driver from the sourceforge site and was able to successfully compile the rt73 module and load it into the kernel. The problem now is that everytime I issue the command ifconfig wlan0 up it keeps returning with the following error message: wlan0: unknown interface: No such device. I'm at a loss as to what to do here. I specifed wlan0 as the alias for the rt73 module in the modules.conf and also tried to load the driver with the command modprobe rt73 ifname=wlan0 (this specifies the interface name according to the instructions packaged in the driver), but the error message still keeps coming up. Is there something else I need to do in Linux to configure the wlan0 part or is the module not recognizing the wireless network card? It would be quite strange if it is the later since all information from the Internet is indicating this is the linux driver I should be using for mentioned wireless card.

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  • Port binding conflicts with "switch user" on Windows 7

    - by C-dizzle
    We are using the switch user function within Windows 7 under an active directory network. We have one application in particular that gives us an error: Only one usage of each socket address (protocol/network address/port) is normally permitted. bind Port 10001 Are there any other ports that can only be used at one time that might have an adverse effect on the other user? We try to mentor our users to use the log off function instead of switch user, but that doesn't always happen. As an alternative, is it possible to disable the 'switch user' button on our machines?

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  • Amazon EC2 Creating Tunnel with OpenVPN

    - by nocode
    I have followed these instructions: http://aws.amazon.com/articles/0639686206802544 I can ping the VPN endpoints and I have the corresponding VPC CIDR pointing to the EC2 instance in the route table. Here is my config: port 1194 proto udp dev tun # Remote peer and network remote Elastic_IP route 10.0.0.0/16 # Configure local and remote VPN endpoints ifconfig 169.254.255.1 169.254.255.2 # The pre-shared static key secret /etc/openvpn/ovpn.key keepalive 10 120 persist-key persist-tun log /var/log/openvpn.log verb 3 When I look at my logs, I get this error: RESOLVE: Cannot resolve host address: 10.0.0.0/16: Name or service not known OpenVPN ROUTE: failed to parse/resolve route for host/network: 10.0.0.0/16 in VPC1, the CIDR is 172.31.0.0/16 which is targeting the EC2 instance also running OpenVPN. I'm getting the same error from the Instance in VPC2 with the corresponding CIDR. Just for testing, i stopped the IPTABLES service I am running the Amazon linux AMI image (x64) as specified in the article I linked.

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  • iMac G5 20" (First All-In-One White Screen) Cannot Connect To Internet

    - by Goober
    The Scenario I've got an iMac G5 20" (First All-In-One White Screen) PPC. It has an Airport Extreme Network card in order to wirelessly to connect to the internet. For the most part I connect using ethernet as opposed to wirelessly, but recently have had the need to connect using the wireless. The Hardware BT Home Broadband Wireless Router. iMac G5 20" From about 5 years ago (First All-In-One White Screen) The Issue Even though I know for a fact that It has connected to the internet wireslessly in the past, for some reason it can discover the wireless router, but upon entering the password it fails to connect. I have tried multiple times to no avail. I have 2 other Mac's on the network and a pc that can all connect wirelessly. However both the mac's. Question Any ideas as to why my really old iMac G5 can't connect wirelessly anymore!?

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  • KVM CLI install for CentOS 6.3 defaults to Minimal Install

    - by i.h4d35
    So I now I've installed KVM (and its associated tools and packages- libvirt, VMM etc.). On the GUI (i.e using the VMM), installation works as its supposed to. However, when I try to create a VM using the command line interface, the OS (I am working with CentOS 6.3) defaults to a Minimal Install instead of giving me options to choose from at the time of installation. I am trying to install using the following command: virt-install \ --connect qemu:///system \ --virt-type kvm --name testVM2 \ --ram 512 --disk path=/var/lib/libvirt/images/testVM2.img,size=8 --vnc \ --cdrom /media/db18de8e-0853-49fb-80de-5c794d58a46f/CentOS-6.3- x86_64-bin-DVD1.iso \ --network network=default Specifying the OS-type or the OS-variant parameters doesn't make a difference. Is there something that I am missing out on or some other parameter that I must specify? Thanks in advance.

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  • AT&T’s new prepaid plan for smartphones –$65 for 1 GB data and unlimited calls, text

    - by Gopinath
    AT&T is stepping up competition in prepaid mobile plans offering and trying to attract more smartphone customers who are not interested to lock in with expensive contracts. Today AT&T announced a new prepaid plan for smartphone customers which offers 1 GB of , unlimited calls and text for $65 a month. Compared to existing plans that offers same , the new plan saves $10 per month and rates are comparable to T-Mobile prepaid service. The new plan will be available to all prepaid customers from October 7, 2012. I’m using AT&T prepaid plan for the past 3 months and paying $75 for 1 GB data, unlimited calls. Few days ago I did some analysis on prepaid plans offered by various network providers and found T-Mobile has cheapest plans that suits my needs – $60 for 2 GB data,  unlimited calls and texts. Even though T Mobile’s network coverage is not as great as AT&T in the area where I live, I planned to switch to save $15 per month. After reading today’s announcement, I don’t think that I’ll switch to T Mobile for saving $5 + 1 GB of extra data.  Thanks AT&T for the new plan, I’ll stay with you for now. via engadget

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  • Strongswan and OpenVPN together

    - by cmorgia
    I have an host in Amazon EC2 which is configured with an OpenVPN Access Server. The only client to this server is acting as a gateway from a private network. I installed StrongSWAN 5 on the same host to allow windows 7 and iOS clients to connect using IPSEC. Both services works but what I cannot figure out is how to configure StrongSWAN to consider the OpenVPN tunnel endpoint as the only gateway available to clients. Basically I want all the traffic that comes from IPSEC clients to be entirely forwarded to the OpenVPN tunnel. The remote OpenVPN client that is exposing the private network has forwarding enabled and appropriate masquerading configured. The only missing point is to have the OpenVPN tunnel as the gateway for IPsEC clients

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  • Can't connect to Windows Server 2008 shared folders via VPN connection

    - by Pearl
    I set up an VPN connection on my 2008 server using RRAS. The VPN seems to work fine. I can connect from outside the network. I am also able to establish a remote access connection via the VPN-IP. However, I can't access my shared folders. After connecting to the VPN I can ping the server, but it is not shown in my networks. using \ip or \server-name doesn't work either, cannot be found. I checked ipconfig and this is what I found regarding the VPN: DNS-Suffix: Description: test Physical Adress: DHCP activated: No Auto-Config: Yes IPv4-Adress: 192.168.2.114 Sub: 255.255.255.255 Standard-gateway: DNS-Server: 192.168.0.1 NetBIOS: activated To clarify my IP-situation: server is connected to router with 192.168.0.x, the test-client is in an external network connected to a router with 192.168.1.x, server-client connection is using static ips with 192.168.2.x Can anyone help me with this one? The VPN should be ok since I am able to establish remote access.

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  • Event ID 8021 The browser was unable to retrieve a list of servers from the browser master

    - by Ash
    We have a LAN where workstations are randomly losing network connectivity for brief moments of time. The workstations can also take a long time to login to the domain. During our troubleshooting we have found an error log on a few Windows 7 workstations: Warning BROWSER 8021 The browser was unable to retrieve a list of servers from the browser master \\random-pc on the network \Device\NetBT_Tcpip_{BBABCDE9-D8A0-4399-93F2-492FE0848B12}. The data is the error code. What do these errors mean? What computers should have the Computer Browser service enabled, workstations and/or servers? The environment is a mix of Windows 7 & Windows XP workstations on a Windows Server SBS 2011 SP1 domain.

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  • Can I setup a link SQL server connection between servers on different networks?

    - by Glenn Slaven
    We have a production SQL server hosted offsite at a hosting company, and we have a staging environment within our own network. We want to be able to setup a SQL job that copies content from a table on the staging server to prod on a regular basis, and I think we need to setup a linked server connection to do this. What do I need to get the hosting company to do to allow us to set this up? We have RDP access to the production servers, I just need to know what network and security configurations need to happen from the hosting company's perspective so I can ask them to do it.

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  • How to set up server/domain name correctly in hosts file with HTTPS

    - by Byakugan
    I am trying to do local network and I am using these kind of types of network. 1) Main server which connects to internet with static IP 2) Second computer connected to first one locally with address like 192.168.0.2 - when I write this address to address line it is like i wrote localhost in original main server - so it should show my local web browser etc ... It has domain name this IP and connected router for it ... example www.domain.com so I added to my main server hosts file (linux powered) lines like these: 192.168.0.2 domain.com www.domain.com It was working ok when I entered my domain name in local computer it showed my site ... But after some time I added HTTPS cerfiticate and added this line to my apatche server: Redirect permanent / https://www.domain.com/ And now it does not work even when i add something like this to my hosts file: 192.168.0.2 https://www.domain.com So any idea how do do this thing work? Thank you.

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  • Connecting together DIR-615 and DIR-655

    - by ra170
    On my DIR-655 my internal network is: 192.168.0.x On my DIR-615 my internal network is: 192.168.1.x They are both connected to my firewall PIX 501 box The PIX itself is connected to the comcast modem. I briefly looked at the menu options on those router and they look similar, however I'm not sure what's the best way to connect those two together so that I can go between those networks. (printing, file browsing, etc.) I'm not sure if I have to do this somehow on those two router or on the PIX itself, or probably on all of them. If anyone has experience with something like that please let me know..

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  • Ideas for campus Internet Login mechanism?

    - by miCRoSCoPiCeaRthLinG
    Hello, I work at this university and I'm seeking an effective solution for an internet login mechanism. We have a leased-link at our campus, which is shared by both staff & students. All systems (desktops + laptops + handhelds) connect to the internal network via wifi and can then get onto the net. However, a local govt. regulation requires us to keep track of individual internet usage and hence we need a solution (pref. free / opensource) that'll enable us to implement some sort of an authentication mechanism once a user hooks onto the network. One requirement is that the software should be able to authenticate either against LDAP or some other custom user database (MySQL based) or both. Can anyone suggest any such software or mechanism? Most of our servers are Linux based... so something that runs off such a platform will be good. Thanks, m^e

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  • Architect Day Artifacts

    - by Bob Rhubart
    In the last eight days the Oracle Technology Network Architect Day tour has stopped in Dallas,  Anaheim (Disneyland, to be precise) , and at Oracle HQ in Redwood Shores,  CA. I was on-scene for the Dallas event, where I pulled a TMZ-style ambush on Chris Benedict from the Oracle Enterprise Solutions Group to capture this short video.     The other presenters escaped. But the slide decks from several of the presentations are now available on Slideshare:  IT Optimization: Reduce Data Center Costs and Set the Foundation for Future Growth as presented by Alan Levine, Oracle Enterprise Architect Senior Director Implementing Applications with SOA and Application Integration Architecture as presented by Vish Gaitonde, Director, Ecosystem Strategy, Application Integration Architecture Application Grid: Platform for Virtualization and Consolidation of Your Java Applications as presented by Sam Shah, Director, SOA and Integration, Oracle Enterprise Solutions Group Infrastructure Consolidation and Virtualization as presented by Steve Bennett, also a Director with the Oracle Enterprise Solutions Group Security in a Cloudy Architecture as presented by Geri Born, Security Specialist with the Oracle Enterprise Solutions Group I’ll post more Architect Day presentations as soon as I track them down. A special thank you to Oracle ACE Directors Jordan Braunstein, Billy Tong, and Kai Yu, who were on hand in Dallas, and to fellow ACE Directors Basheer Khan and Floyd Teter for their participation in the Anaheim event.  (Floyd and his iPad came through again, allowing me to record the Anaheim panel discussion via Skype while sitting in my home office in Cleveland.) That audio, as well as audio from the panel discussion and a roundtable from the Dallas event, will be available soon as ArchBeat podcast programs. If you attended one of these events, a big thanks. Your active participation, your questions and input, are what these events are all about.  As new cities are added to the tour, we expect more of the same from the OTN architect community. And did I mention that the food is free? So stay tuned… del.icio.us Tags: oracle,otn,enterprise architecture,enterprise architect,archbeat,arch2arch,architect day Technorati Tags: oracle,otn,enterprise architecture,enterprise architect,archbeat,arch2arch,architect day   Cross-posted to the Oracle Technology Network Blog

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  • How to start a task before networking?

    - by user1252434
    I've written an upstart task that modifies /etc/network/interfaces. (Actually a file sourced into it.) Which start on condition do I need to declare to let my task run before any networking jobs? I've tried start on starting networking, but that's apparently too late. When I log in after booting I can see that the changes were written, but obviously they are not used: the new config states a static IP, but the boot process waits for a non-existing DHCP server (old config) to time out. I've also tried start on starting network-interface INTERFACE=eth0, which didn't work either. IIRC there was an error in the log that the change couldn't be written. Background: I need a VM template that can be cloned and the clones configured through a script. Among other settings, I need to give them a static IP address to access them from the host. I use guestfish to write a config file to one of the virtual disks and let a script apply these settings to the system. I don't want that disk to contain an actual system settings file. I can't modify /etc directly, because that disk is shared (copy-on-write/diff) among the clones and guestfish apparently doesn't support that type of image. I could also let them use DHCP and setup a server that assigns IP by MAC, but I'm afraid of the complexity. I could also add just another virtual disk for configuration files, but if possible I'd prefer to store settings directly on the system disk image. Used software: Ubuntu Server 12.04, VirtualBox. The configuration modifier is a self written ruby script.

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  • Windows 7 Connection Sharing unable to access some sites

    - by Kristopher Ives
    I have a pretty sad networking situation that involves connecting to an open Wireless network and sharing that connection to an Ethernet that is plugged into a Linksys router. This has been done with XP and Windows 7, and it works great with XP. The problem with Windows 7 is that only some DNS will work. I don't know if it's been poisoned on the network above us (which we have no control over), but we've tried clearing the DNS cache as well as moving to using Google's DNS servers (8.8.8.8, 8.8.4.4). Here is a really quick list of sites that won't respond to DNS requests at all via dig, although if I get the IP address I can ping them: facebook.com yuilibrary.com twitter.com A lot of sites do work though. Anyone have an idea? It may be a subnet problem? If anyone wants more info let me know.

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  • What are some of the best wireless routers for a price-conscious home power-user?

    - by Alain
    I'm extremely dissatisfied with the 'popular' choice for routers in homes and small offices. They are expensive (upwards of 60$), lack a great deal of useful configuration options, and seem to need to be restarted quite often. (Linksys comes to mind). I've been on the market for a good router lately, and slowly collecting a set of requirements I feel good routers should meet. Maximum number of TCP/IP connections. - This isn't something I see any routers advertise, but in terms of supporting torrent applications, I've been screwed by routers that support less than 20 here. From what I understand a fairly standard number is 200, but there are not so expensive routers that support thousands. Router configuration menu - Most have standard menu's that let you set up basic things like your wireless network encryption settings, uPnP, and maybe even DMZ (demilitarized zones). An absolute requirement for me, however, are routers with good enough firmware to support: Explicit Port forwarding Assigning static local ips to specific mac addresses, or at least Port forwarding by MAC address Port, IP and MAC filtering Dynamic DNS service for home users who want to set up a server but have a dynamic IP Traffic shaping (ideally) - giving priority to packets from certain machines or over certain ports. Strong wireless signal - If getting a reliable signal requires me to be so close to the router that I can connect an Ethernet cable, it's not good enough. As many Ethernet ports as possible. - Because I want to be able to switch from console gaming to PC gaming without visiting my router. So far, the best thing I've stumbled upon (in the bargain bin at staples) was a 20$ retail plus router. It was meant to be the cheapest alternative until I could find something better to purchase online, but I was actually blown away by the firmware capabilities. It supports defining reserved bandwidth for certain network traffic, dynamic DNS, reserving local IPs for specific MAC addresses, etc. At 2 am when my roommate is killing our Internet with their torrents, I can limit their bandwidth without outright blacklisting them. I have, however, met serious limitations when it comes to network traffic between local machines. It claims a 300Mbps connection, but I have trouble streaming videos from my PC to my console or other laptops wirelessly. It has a meltdown and needs to be reset once in a while (no more than a couple times a month), and it's got a 200 connection limit. There 4 Ethernet ports in the back but I'm pretty sure the first doesn't work. So some great answers to this question would be: Any metrics you use to compare routers, and requirements you have for new candidates. The best routers you've found for supporting home servers, file management systems, high volume torrent traffic, good price/feature ratio, etc. Good configuration advice (aside from 'use Ethernet whenever possible') Thanks for your feedback and experiences!

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