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• How do I control remote Windows 7 machine? VNC/RDP/?

  - by artfulrobot

  I have a Windows 7 laptop that's going out and about and I'd like to be able to admin' it from my Ubuntu (precise) desktop. While the laptop is in my office I can use Gnome's "Remote Desktop Viewer" (Vinagre) to connect via RDP. However, when it's in the office I don't really need RDP of course! And when it's out of the office I cannot control the routers/firewalls along the way, so I won't know the IP and cannot set up port forwards. I'm looking for a Ubuntu compatible way to achieve this. Nb. I can set up port forwards at the my office end, so a service on the laptop could try a "backwards" connection to my client.

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• Printing to a printer connected to a wireless router

  - by mspencer

  I have a Netgear WNDR4500 wireless router which allows me to print wirelessly to a printer connected to it via a USB cable. However, the software used to print to it only works for Windows and OS X. I've seen the question Printing to a printer attached to a network USB hub, and tried the instructions it gave using my router's IP address, but when I print a test page it says copying data then says printer is in use. In the printer queue window it says not connected. How can I print to the printer using Ubuntu? Thanks.

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• Acer Aspire One 722 broadcom 4313 wifi

  - by Colin Matheson

  I had an Acer Aspire One 722 with the Atheros Wifi card and it worked fine on 11.04. So we bought 200 of them for our school. However these all came with the Broadcom BCM4313 wireless card and there are issues. It is using the brcmsmac driver and they connect initially. However after a time (sometimes just a few webpages) some of them lose connection. However, they still have an IP and network-manager says they are connected, but no pages load and you can't ping anything on the LAN or internet. A disconnect/reconnect can fix it, but sometimes a restart is required. It happens frequently so is a major issue. Lots of broadcom drivers are blacklisted: bcm43xx, b43, brcm80211. Any ideas or experiences with the broadcom4313 card? Please save these computers from a Windows fate!

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• Reverse proxying only a specific URL

  - by Bart Silverstrim

  I have a web server at www.ourcompany.com running Apache2. Using the proxy modules, I am able to (for example) get 172.16.0.5, an internal IP device, to be accessed on www.ourcompany.com/device. The trouble is that anyone can play with or explore the device using strings sent to www.ourcompany.com/device/change/settings/here.html. I'd like the reverse proxy to only work for a specific URL; www.ourcompany.com/device/you/must/use/this while anything else will be rejected if requested. Is there a setting that can be used to do this, or is it a simple rewrite condition placed in the virtualhost for the site under sites-enabled? What is the simplest, most maintainable way to sanitize requests to the internal device through the reverse proxy? Running Apache2 on Ubuntu.

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• Webmin no route to host

  - by xloumbos

  Using Webmin ? Network Configuration, I added a new DNS address to the existing server (10.100.200.300). While I saved the new configuration, I lost access to webmin and ssh to this server. How can I retrieve access? I pinged 10.100.200.300 and its dead. When I tried to login with ssh it says: error no route to host. I usually log in to webmin the server IP address and port 10000 but now I cannot. Any help to go back to my previous state?

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• Assign subdomains to separate ports on web server

  - by Michael Frank

  I have set up an Abyss web server as a little experiment, and I want to know if it is possible to assign subdomains to different ports on the machine the web server is running on. I have a couple webUIs that I'd like to assign subdomains: 192.168.1.1:8000 becomes example.com/webui1/ 192.168.1.1:8001 becomes example.com/webui2/ The webUIs are available by accessing their ports via example.com:8000. I have tried using a reverse proxy, but it seems that this is only usable on one internal IP at a time. What other options do I have? Answer is good, but my current set up doesn't meet the requirements. Abyss Web Server X2 is required to use Virtual Hosts with Abyss.

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• How does session middleware generally verify browser sessions?

  - by BBnyc

  I've been using session middleware to build web apps for years: from PHP's built-in session handling layer to node's connect session middleware. However, I've never tried (or needed) to roll my own session handling layer. How would one go about it? What sort of checks are necessary to provide at least some modicum of security against HTTP session highjacking? I figure setting a cookie with a token to keep track of the session, and then perhaps some check to see that the originating IP address of the session doesn't change and that the client browser software remains consistent. Hoping to hear about current best-practices...

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• Changes to 'resolveconf' discarded when connecting to a new network

  - by sudheer

  I have upgraded to 12.10 from 12.04 recently and I am having issues with connecting to the Internet. I got an IP address and am able to ping other LAN IPs in the local network but I am unable to connect to the Internet and am even unable to ping www.google.com from a terminal. Somehow making changes in /etc/resolv.conf and restarting resolvconf service and rebooting works but I need to do this every time I connect to a new network. How do I make these changes permanent? Can someone suggest a solution to this issue?

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• Adapters, SOA Suite and More @Openworld 2012

  - by Ramkumar Menon

  You are invited to attend my sessions at Oracle Openworld 2012 at San Francisco! CON8627 - Administration and Management Essentials for Oracle SOA Suite 11g Session Speakers: Ramkumar Menon, Francis Ip Session Schedule: Monday, Oct 1, 1:45 PM - 2:45 PM - Session Location: Marriott Marquis - Salon 7 CON8642 - Cloud and On-Premises Applications Integration using Oracle Integration Adapters Session Speakers: Vikas Anand, Ramkumar Menon, Stephen Mcritchie Session Schedule: Wednesday, Oct 3, 1:15 PM - 2:15 PM Session Location: Moscone South - 310 And do stop by at the Oracle Integration Adapters Demo booth. Watch some live demos on how you can use our suite of Adapters to integrate and extend your Enterprise Applications! This is your opportunity to meet with our Engineering team, share with us your Integration use-cases and challenges, and hear from us on our Roadmap. The Oracle Integration Adapters booth is located at the Fusion Middleware Demopod area  from Monday, October 1 through Wednesday, October 3, 2012.

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• What would you think of a job based on mostly doing the proof of concept?

  - by davsan

  I'm working as a developer in a small software company whose main job is interfacing between separate applications, like between a telephony system and an environment control system, between IP TVs and hospitality systems, etc...And it seems like I am the candidate for a new job title in the company, as the person who does the proof of concept of a new interfacing project and does some R&D for prototyping. What do you think the pros and cons of such a job would be, considering mainly the individual progress/regress of a person as a software engineer? And what aspects would you consider essential in a person to put him/her in such a job position?

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• sudo & redirect output

  - by Khaled

  I have a small question regarding using sudo with output redirect >. To enable IP forwrding, someone can use the command: $ echo 1 > /proc/sys/net/ipv4/ip_forward Executing this command will give permission denied as it requires root privileges. However, executing the same command with sudo gives also permission denied error! It seems that output redirect > does not inherit the permissions of the preceding command echo. Is this right? As a workaround I do: $ echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward Is this the best way to do it? Am I missing something? Please, note that this is an example and it applies to all commands that use output redirect.

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• Unable to connect to wireless network

  - by Mike

  A real newbie here. Just downloaded Ubuntu 12.10, put on USB stick and have booted it on my other PC after modifying the boot sequence to boot from USB before hard drive where Windows XP lives. Have no problems with Windows and my wireless but not with Ubuntu. The PC is a Dell Latitude D630 laptop. According to Windows XP , the wireless card is a Dell Wireless 1490 Dual Band WLAN Mini-Card, my IP address is 192.168.0.193, subnet mask is 255.255.255.0, assigned by DHCP, SSID is HOME , type 802.11 and default gateway is 192.168.0.1. Ok, back to booting from USB and TRY option, I am Editing Network connections, I have created/configured "Wireless connection 1" with SSID of HOME and the only other thing I have changed is on the "Editing IPV4 routes for Wireless connection 1 I have enterred 192.168.0.193 , netmask 255.255.255.0 and gateway 192.168.0.1 Anyways , no go. Could use some help. Thanks, Mike from Montreal

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• 9 entreprises américaines sur 10 touchées par le botnet Zeus, d'après une étude publiée hier

  Mise à jour du 14.04.2010 par Katleen 9 entreprises américaines sur 10 touchées par le botnet Zeus, d'après une étude publiée hier Le cabinet d'étude RSA FraudAction vient de publier un rapport réalisé par son service spécialisé dans la lutte contre les trojans. Ses équipes ont analysé les données volées par Zeus (voir news précédente, ci-dessous) sur des ordinateurs infectés en août 2009. De là, les chercheurs ont pu remonter jusqu'à des adresses IP ou e-mail appartenant à des entreprises. Il a ainsi été démontré que 88% des domaines des compagnies du classement Fortune 500 (les plus importantes firmes américaines) avaient reçu la visite d'ordinateurs infectés par Zeus. Autrement dit, près de...

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• What's the correct MAAS DHCP configuration?

  - by k to the z

  I've set up a MAAS controller by following this documentation: http://maas.ubuntu.com/docs1.4/cluster-configuration.html However, when I got to the DHCP configurations I was a little puzzled. The controller I created is at 172.16.142.61. It looks like that's the address for the "IP" text field. Going down the rest of the list I'm unsure of though. Should I just put in the subnet/broadcast/router (is that the gateway?) that the MAAS server resides in or am I suppost to just list the static address of the MAAS server and then define my own "virtual" subnet in the fields below?

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• How to connect to the internet through broadband through ALFA USB adapter

  - by user91045

  Hi evryone I have question that really make me mad..I search every where and I couldn't find the answer.pleas read the details carefully: I have broadband (Wan mini-port PPPOE) account from a wierless network near from us...I'm receiving the signal with grid and Alfa AWUS036H wireless usb adapter.In all of windows version I can connect through my broadband when I do these steps 1.setup new connection or network 2.connect to the internet 3.setup new broadband connection then I but the ISP name(not Important just to remember my broadband connection) and then i put the username and password then connect. I can find and connect to my wireless networkbut when I make Dsl connection in ubuntu 12.04LTS and I put the username and password I couldn't connect.. I tried this tool"gnome dial up tool" and wouldn't work.. in other way..(how can I connect to broadband connection through ALFA USB adapter??) my wireless network have a servers when i check with winbox: mac adress ip adress server name version router board verson and I connect PPP through them... any answer will help me ..so we could solve this problem. thanks.

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• Enabling DHCP without being connected

  - by Joe Philllips

  I was installing Ubuntu server the other night and I was not able to hook up to the network while installing because I don't have a monitor for my desktop machines. I had to go into the living room and connect to the HDTV instead. This leaves me without network connectivity. When installing it asks how I would like to set up the network. I would like to enable DHCP but it tries to detect a gateway when I do this and obviously it doesn't find anything. It won't let me move on without setting up an IP manually at that point. Isn't there a way I can enable DHCP for the next time it boots up instead? Why the need for it right then and there?

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• How can I reduce the number of spammers registering with my phpBB site?

  - by Jayapal Chandran

  I have a site which runs phpBB, on this site I have enabled user authentication through email when registering enabled captcha However I still get spam users every 20 to 30 minutes. Is there anything I can do to prevent this with the ucp.php file? I have already loaded a large list of IP addresses yet there are spam users registering all the time. One thing I can do is I can check the bounce mail to find the username and can pipe bounced mails to a php script and immediately delete that user, but I have not got any bounce back from hotmail or some other email clients. So this way it will catch hold of a certain percent of spam users but there are still a huge amount of users spamming. What else can I do to prevent spammers abusing my phpBB site?

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• How to set a Static Route on a Storage Node

  - by csoto

  To set up a host route to an IP address, here are the procedures for BUI and CLI. You need to know the destination, mask, interface and network. Note that, in this case, the values are just examples. CLI - Log into CLI and run the commands below: configuration net routing create set family=IPv4 set destination=203.246.186.80 set mask=32 set gateway=192.168.100.230 set interface=igb0 commit BUI - Log in to the web ui of the ZFSSA NAS head - Click Configuration - Network - Routing - (+) - In the popup window that will be displayed, enter the values accordingly on the popup window shown on the screenshot below: Any of the two above procedures should get your desired route in place.

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• Wired Connection shared with other computers connects then disconnects in 11.10 nm-applet

  - by approbatory

  connecting with shared with other computers connection in NetworkManager. Other computer gets IP but NetworkManager disconnects the shared connection after half a second. This same setup worked perfectly fine in 11.04. Is there any fix, workaround or alternative way to share a connection with another computer over an Ethernet cable. (I can downgrade to 11.04 but I'd rather not ). EDIT: found a workaround The workaround for now is to set IPv6 options to Ignore and then sudo killall dnsmasq. Reconnect and it should work.

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• Clicks counting and crawler bots

  - by Dennis

  I am currently running a small affiliate-program for Facebook users. We use an auto-poster to publish links to fan pages. Every hit is stored in our database and we have included a 24 hour reload block for the IP-addresses. My problem right now is that the PHP script also stores every hit from all the bots that crawls my website. Now I was thinking to block those bots with the robots.txt of my website but I am afraid that this will have a negative effect on my AdSense ads. Does anybody have an idea for me how to work this out?

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• How to make local apache server public/visible ? [closed]

  - by George

  Hello. I am running an Apache2 server on a Fedora 13. I'd like to make it publicly accessible(visible).For example I'd like when somebody types http://my.ip.numbes/ that they would see what I have in my document root folder. Just for a presentation of a course work at university. Permissions are set to 755. User owning the document root is apache. SELinux is temporarily disabled. But port 80 is closed. I tried to open it by adding an entry to iptables and restarting them, no change. I guess I am missing something big here. Help would be greatly appreciated.

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• MAAS and Openstack Network

  - by user281985

  Trying to figure out the best way for openstack and MASS networks to co-exist. Assuming MAAS used 10.0.0.0/24 for provisioning of various openstack nodes, once openstack, with quantum, is deployed should 10.0.0.0 be used as management network, external network, both or discarded? Reason for the question being that I ran a deployment where openstack used 10.0.0.0 as its management network, MAAS dhcp and dns were active; however, I could only access VMs through namespace and was not able to utilize MAAS's dhcp to assign floating IP. (VMs network was through an internal bridge 10.10.10.10, and external bridge was using the same interface as MAAS.) Any thoughts or ideas are appreciated.

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• Accessing and controlling to the modem by ethernet connection

  - by iwd35

  I have a PC and I connectted to my modem (via ethernet cable). I want to prepare interface (VS2010) and I want to connect it and do the following: Modem access the admin page (IP: 192.168.1.1 password: admin password: admin) Wireless band (2.4GHz or 5GHz) changing Network mode (N-only, B/G/N- Mixed) changing channel changing (channel 1, 2,3, etc.) The project will be a desktop application. I will use VB .NET; modem model:cisco linksys wag320. How I can do it?

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• Cannot Update through Manager or Terminal/ Software Center Does Not Work

  - by BROBA

  I installed Tor a few days ago via the terminal. I deleted some hashtags in the gedit polipo, and changed my proxy settings in chrome, but was unable to make it work and have since changed all of it back. I then downloaded the Tor browser bundle which works great, but ever since then have been unable to download updates or new software. The update manager says to "check internet connection" and the software center displays a mostly blank screen under apps like "rhythmbox" and just says "available from main source" when I click on "use this source" a refresh symbol appears on the upper right corner of the software center for a split second, and then nothing happens. The app does not download and isn't available in the dash. When I try via the terminal it says it's unable to connect to my ip address. I tried changing the server and unchecking all the repository options for software sources, all to no avail. WHAT DID I DO?????

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• Grapeshot crawler ignoring robots.txt

  - by QF_Developer

  Has anyone come across a crawler called Grapeshot? They are hammering the same page repeatedly on our website. I believe they are looking for ad related keywords, based on previous content ad campaigns. The odd thing is we never ran any such campaigns on the page they are so interested in. We do have only a few pages running AdSense, is this what has attracted Grapeshot? I've added the following declaration to my robots.txt, but they don't seem to be honouring it? User-agent: grapeshot Disallow: / Any ideas on how to block this nuisance crawler? I'm starting to think the best way is by setting up IP rules in IIS?

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