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• I accidentally hid my Gnome Panel

  - by Dean

  I got a new tablet pc, and in attempt to hide the empathy mail icon, accidentally made the entire panel dissappear. (The one at the top that has applications/places/system, and battery life/network connections etc). I don't believe I killed it, because alt+f2, then gnome-panel does not bring it back. I've tried alt+ctrl+backspace to reset gnome, that didn't bring it back. It must just be some setting like 'hide' or something... Any tips to get it back? Thanks.

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• Iptables NAT logging

  - by Gerard

  I have a box setup as a router using Iptables (masquerade), logging all network traffic. The problem: Connections from LAN IPs to WAN show fine, i.e. SRC=192.168.32.10 - DST=60.242.67.190 but for traffic coming from WAN to LAN it will show the WAN IP as the source, but the routers IP as the destination, then the router - LAN IP. I.e. SRC=60.242.67.190 - DST=192.168.32.199 SRC=192.168.32.199(router) - DST=192.168.32.10 How do I configure it so that it logs the conversations correctly? SRC=192.168.32.10 - DST=60.242.67.190 SRC=60.242.67.190 DST=192.168.32.10 Any help appreciated, cheers

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• Production Instance : CLOSE_WAIT Connection Issue

  - by rajnikant

  I am using 10EC2 Instances behind 1 ELB. And ELB configured 80 to 8080 and 443 to 8080 port. And all 10EC2 instances having installed with Apache Tomcat, total request on ELB around 8000 to 10000 in 1 minute. I am facing problem for CLOSE_WAIT connection on 10 EC2 Instance, having Apache Tomcat. EC2 Instance Type : m1.xlarge When we restart the Apache Tomcat, all CLOSE_WAIT connections are lost, but its not proper way to work on Production Instances. Please help me out.

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• Can / how to install openSUSE as a GUI-less home server with only wifi?

  - by Dougal

  Hello there, I'm following an article to set up openSUSE as a commandline server (http://www.howtoforge.com/perfect-server-opensuse-11.1). It seems to only work for wired internet connections. Is there any way to install openSUSE as a commandline server in my home network but using a wifi internet connection? Preferably from the get-go and not simply installing with LAN cable internet and then installing some wifi things later. Or, perhaps, to rephrase the question "How can I get the openSUSE install / post-install procedure to recognize my wifi internet connection?" Kind regards, Dougal

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• Windows 8 doesn't automatically join Wi-Fi network if Ethernet connection is active

  - by Herb Caudill

  In Windows 7, my laptop would automatically join both an Ethernet network and the Wi-Fi network in my house (both going through the same router). In Windows 8, if the Ethernet connection is present, it doesn't join the Wi-Fi network at all. The reason I noticed this is that if Wi-Fi isn't active, I don't see my AirPlay speakers. My wireless printer is also unavailable until I manually connect to Wi-Fi. To recap: When I turn on my computer and it's connected to Ethernet, this is what my Network Connections control panel looks like: After I manually join my Wi-Fi network, it looks like this: I would prefer for it to join both networks automatically on startup, the way it did in Windows 7. Is there a way to make this happen?

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• Problem with internet connection

  - by vijay.shad

  Hi all, I am working on windows vista. I have got two internet connections, one is wifi connection with high speed. And other is mobile network connection. There is a very strange problem I am getting. When I connect to wi-fi connection I an not able to serf internet(actually not all the sites). I am able to search on Google but when i click on any link in the search list it does not open. But I am able to serf all the pages in google.com domain and also all the pages in stackoverflow domain. But i am not able to go to page http://repo1.maven.org/maven2 But When I am connected by my mobile network. I am able to serf any site. Can you please tell me what might me the problem with my settings.

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• How can I use an SSH tunnel for all traffic from a single application, without knowing the ports used?

  - by Matthew Read

  I have an application that opens connections on dozens of ports, and doesn't provide documentation about which ports it uses. I could use Wireshark or something to capture the traffic and export the ports from that, but I think it should be simpler than that. (And I'm not sure I would be able to cover all use cases and ensure the app used every single port it can ever use.) So I'm looking for a way to just say "forward all traffic from this application" (bonus points for all traffic from child processes as well) without needing to worry about specific ports. I'm sure there must be a way, but I couldn't hit on the right keywords while searching Google. How can I do this?

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• Windows network takes long time to access

  - by IrfanRaza

  Hello friends, I have 4 Winodws XP systems connected in a domain with Windows 2003 server. Domain name is "SoftGenIndia". We are using Star topology. I have checked all the cables and connections, all are OK. What happening is that when i try to open the computer on domain it takes long time to show the shares (around 2-3 mins). Is there anything i am missing? Can anybody provide solution on this. Thanks for sharing your valuable time. Regards Mohammad Irfan http://softwaregenius.net

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• Debugging an IP Camera

  - by Kevin Boyd

  Further to my previous question on ServerFault here, I finally can view the stream on RTSP however I still cannot view the camera stream in a web browser. The IP camera uses an activeX control in Internet Explorer. And although I can configure the camera settings from IE, I cannot view the stream it shows connecting for a few sec and shows disconnecting. I have forwarded the HTTP, RTSP and Stream ports of the IP camera. the public port is 7071 and private port is 7070. When I try to see the connections in TCPView it shows that the ActiveX control in IE is trying to connect to port 7070 which is quite unusual since it should connect to 7071 Also the state shows SYN_SENT for sometime and then disconnects. I have really no clue what's going on and why?

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• Why do I have two different DNS suffix lists?

  - by Rob Kennedy

  My Windows XP laptop has two different DNS suffix lists. The first is the one I see by selecting the Properties dialog of any of my network connections, selecting Internet Protocol Properties Advanced DNS tab, and looking at the list under the "Append these DNS suffixes (in order)" option. The second list is the one shown under "DNS Suffix Search List" when I run ipconfig /all. As far as I can tell, only the second list ever gets used to resolve unqualified host names. Why are there two different lists? How do I configure the second list? Or how can I make my computer use the first list?

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• is there a way to prespecify to overwrite files with same name?

  - by Celeritas

  Connections to network drives are ridiculously slow (e.g. 15kb/sec on really good days) and when I'm copying files I leave my desk. My problem is when there is a file with the same name to be overwritten, is there a way to specify in advanced to overwrite files? I know it has the option "do same for next x conflicts" but that doesn't popup until (in some cases) a long time after the files start copying. See my dilemma? Example: copying 500 files, estimated time 2 hours, I leave, after 10 minutes message comes up about file with same name and asks if it should overwrite (in this time copying stalls), I come back 30 minutes latter to find only the files in the 10 minutes copied. Out of curiosity how could the network speed be so bad? I asked the boss and he said because it gets routed around a lot and is just bad :(

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• CPU fan turns on and off repeatedly without booting

  - by rnso

  My PC has suddenly stopped starting up. On checking with case open, the CPU fan starts running when the power is turned on, but it stops after about 2-3 seconds, restarts again after about 2-3 seconds and the loop is repeated. There is no beep and nothing appears on the screen. On searching the internet, I found there could be several reasons for this. I tried removing hard-disk, CD drive, tightening connections etc but of no avial. I also tried using a new power supply but the response is the same. Where could be the problem and how can it be solved? Thanks in advance.

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• Bridging two sockets

  - by Itehnological

  I wondered if it is possible to bridge two incoming tcp sockets. For example: Client A -----> Server <----- Client B The the server sends it's magic to both clients and then they connect to each other bypassing the server Server Client A ----------><---------- Client B UPDATE: The idea is when those clients can't bind to ports to listen to still be able to create connection between each other with the help of the server. For example Client A and Client B have tcp sockets with the server. User A decides to chat with User B and creates a new tcp connection with the server with the request to bridge it with User B. The server sends that request to Client B and it also opens up a new tcp connection with the server for that chat line. Now when the server has both chat connections from A and B it bridges them and they can work without the server, and as a result the server won't have to process all the messages and files the two users share. That's the idea/

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• Tools for analyzing performance of SQL Server/Express?

  - by Adam Crossland

  The application that I have customized and continue to support for my client is seeing dramatic performance problems in the field. Simple queries on rather small datasets take over a minute when I would expect them to complete with sub-second times. My current theory is that SQL Server Express 2005 is too limited for the rather non-trivial demands being made of it, but I am not sure how to get about gathering data that I can use to either prove my point or allow me to move on to finding another cause. Can anyone point me toward some tools that would allow me to analyze the load on this database? Information such as simultaneous connections, execution times of individual queries, memory usage, heck just any profiling data at all would be a help. Many thanks.

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• Tunneling over HTTP

  - by Morgan

  Hello, I have a network at work that is locked behind a firewall and Internet connection is available only by using a proxy server. At work, I can connect to databases that are distributed across the network. However, at home, I cannot connect to the proxy server or the databases. How can this be done? I can access my workstation via LogMeIn, so I can install anything on it. I thought of installing some kind of tunneling mechanism in my workstation. Then, at home, I could connect to this mechanism, which would in turn do the required connections. So essentially, what I'd like to do can be represented by the following diagram: Home = Workstation = Database. For example, whenever I connect to, say, 10.140.0.1:1234 at home, this would be redirected to 10.140.0.1:1234 of my Workstation, because 10.140.0.1:1234 is only available through the corporate network. NOTE: I'm using Windows XP.

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• Is there a software package that safely allows SSH via web on simple web host?

  - by spoulson

  I want to be able to use a secured web page on my shared web host to make SSH connections out to any destination. A shared web host is cheap and easy to maintain, and usually allows ssh to the web server. There are times I'd like to ssh into my web server, but don't have direct ssh connectivity. I'm aware of consoleFISH, Ajaxterm, and Anyterm. The problem is consoleFISH is a man-in-the-middle by design, and Ajaxterm/Anyterm require running a daemon process on the hosting server. Web hosts can usually support cron jobs, but not continuously running daemon processes. Additional Apache modules are usually out, too, as they require reconfiguration of the server and affects all other customers. Are there any software packages out there I can run on my shared web hosting account that provide a true ssh experience with these limitations?

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• Service haproxy error

  - by user128296

  I want to configure Haproxy for outgoing mail load balancing. my configuration file /etc/haproxy.cfg is. global maxconn 4096 # Total Max Connections. This is dependent on ulimit daemon nbproc 4 # Number of processing cores. Dual Dual-core Opteron is 4 cores for example. defaults mode tcp listen smtp_proxy 199.83.95.71:25 mode tcp option tcplog balance roundrobin # Load Balancing algorithm ## Define your servers to balance server r23.lbsmtp.org 74.117.x.x:25 weight 1 maxconn 512 check server r15.lbsmtp.org 199.71.x.x:25 weight 1 maxconn 512 check And when i start service haproxy i get this error. Starting HAproxy: [ALERT] 244/172148 (7354) : cannot bind socket for proxy smtp_proxy. Aborting. Please tell me where i am doing mistake.help will appreciated.

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• Ubuntu problem not connecting to wireless or wired network

  - by ToughPal

  I recently installed openvpn and things were working. But I got a weird screen after a few hours and on restart my wired and wireless connections are not working. Can someone help? cat /etc/network/interfaces auto lo iface lo inet loopback cat /etc/resolv.conf #Generated by NetworkManager Is there anything missing? I tried both wired and wireless and both are not working. Usually if I ever have a problem with wireless, the wired always work! My /etc/network/interfaces is looking wrong. Can you please send me yours? I am using ubuntu 9.10 and the internet was working correctly until today! Please help

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• How must I deal with anti-virus software on Windows 7

  - by Heather

  I know this question is looking like an easy question or not a question at all but it's not really easy question. I'm not related to security and anti-viruses and just don't trust every provided anti-virus. So first question is a real question - Is it OK (safe) to not use anti-virus at all. I know how to use firewall, usually I use only trusted connections and surfing trusted sites. My chances to get virus is really low. Even I've got a bit outdated PC and don't want to pay the performance for it. I can do monthly scans without having one installed - is it OK to be safe ? If not can you recommend a good free antivirus solution?

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• Security of a free public VPN service

  - by Mark Belli

  I just started using VPNBOOK, which is a (very efficent) free VPN solution. I have a question: VPNBOOK user and pass used to connect to their vpn network are publicily available on their homepage; everybody uses them to connect to the vpn. Can a user intercept my wifi traffic and: Understand that my connections are directed to VPNBOOK servers. If point 1 is successful, then they could use VPNBOOK public user and pass to decrypt my traffic? I hope I am missing something, otherwise it would be a very big weakness and I would revert to a paid service (with a private account)

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• Cisco ASA - NAT'ing VPN traffic

  - by DrStalker

  I have an IPsec VPN setup like this: [Remote users]-[Remote ASA] <-VPN-> [My ASA]-[Subnet A]-[Router 2]-[Subnet B] The VPN is set to handle traffic between [remote users] and [Subnet A]; it does not include [Subnet B]. Pretend the firewall rules for all routers are to permit everything. Now I want to redirect traffic that comes over the VPN to a specific IP on [subnet A] (192.168.1.102) to an IP on [Subnet B] (10.1.1.133) If I add a rule on [My ASA] to NAT traffic to original IP 192.168.1.102 to new IP 10.1.1.133, 1) Will this affect the connections coming in over the VPN? (ie: the VPN packets are unencrypted and then NAT is applied) 2) Will this work when the post-NAT target is on Subnet-B, which is not part of the VPN traffic selection?

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• proxy software that supports parallel transfer

  - by est

  Hi guys, I need to setup a really fast proxy server in a remote server, here's the scenario: The server prefetches 3KB of data, mostly HTTP resources. The server send to client 3KB of data, instead of traditional HTTP or SOCKS proxy, the server open multithreaded transfer with 3 connections, send 1KB of data per thread to each connection The client receives 1KBx3, and combine them to the original 3KB data, and return as a local HTTP proxy server. The client display the original data in browser via the local HTTP proxy The latency is not important as long as the transfer rate is good. Does any software like this exist? It's better if it's open source or free ones.

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• DDoS attacks to PBX

  - by user316687

  I'm wondering if DDOS attacks to PBX or telecommunications systems is possibe real. According to this links: http://threatpost.com/en_us/blogs/firm-sees-more-ddos-attacks-aimed-telecom-systems-073112 http://news.softpedia.com/news/DDOS-Attacks-Against-Telecom-Systems-Cost-as-Little-as-20-16-Per-Day-284875.shtml it is possible. There are DDOs attacks to web servers, which mostly give them so much concurrent loads or connections that service get unavailable. Many government or non-profit organizations that suffered this kind of attacks, eventually could choose to shutdown their web server and that's it, waiting for these attacks to end. For a DDOs attacks to PBX, I imagine that it would result in telephones getting busy or ringing all the time unstoppably. This kind of attack could really damage any kind organization. Is it possible to do that or are we just in the beginnings?

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• Can remote LogMeIn Hamachi users access our local LAN?

  - by Kev

  Unknown to me, one of the kids has installed LogMeIn Hamachi on his PC so that he can access and play on his pal's Minecraft server, and vice versa. One of the things I did was disable the Client for Microsoft Networks and File and Printer Sharing for Microsoft Networks on the Hamachi NIC in Windows 7's Network Connections. However, my lack of fu when it comes to these types of services is leaving me feeling a little uncomfortable about him using this. Is there anything I should be worried about here? For example, can his friends access our local LAN (which has a number of NAS boxes with unsecured shares) and get up to no good?

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• Reorganizing development environment for single developer/small shop

  - by Matthew

  I have been developing for my company for approximately three years. We serve up a web portal using Microsoft .NET and MS SQL Server on DotNetNuke. I am going to leave my job full time at the end of April. I am leaving on good terms, and I really care about this company and the state of the web project. Because I haven't worked in a team environment in a long time, I have probably lost touch with what 'real' setups look like. When I leave, I predict the company will either find another developer to take over, or at least have developers work on a contractual basis. Because I have not worked with other developers, I am very concerned with leaving the company (and the developer they hire) with a jumbled mess. I'd like to believe I am a good developer and everything makes sense, but I have no way to tell. My question, is how do I set up the development environment, so the company and the next developer will have little trouble getting started? What would you as a developer like in place before working on a project you've never worked on? Here's some relevant information: There is a development server onsite and a production server offsite in a data center . There is a server where backups and source code (Sourcegear Vault) are stored. There is no formal documentation but there are comments in the code. The company budget is tight so free suggestions will help the best. I will be around after the end of April on a consulting basis so I can ask simple questions but I will not be available full time to train someone

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