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• Planning office network [closed]

  - by gakhov

  I'm planning to setup my office network from scratch and want to ask professional opinions or tips. My office is connected to Internet with Cable connection (100Mb/s). The devices i would like to connect are VoIP Phone (RJ-11), TV (WiFi/LAN), 3 laptops (WiFi), a few smartphones (WiFi), iPad (WiFi), Kindle (WiFi) and, probably, MediaServer (WiFi/LAN). As you can see, the most load will be on WiFi connections (probably, even if TV supports WiFi it's better to connect it by LAN?). So, i need help to choose the best routers combination (or even one?) to support stable connections for all these devices and minimize the total number of routers/adapters. Any thoughts? Thank you!

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• Strange PHP output buffering

  - by radek-k

  PHP: header('Content-type: text/plain'); for ($i=0; $i<10; $i++){ echo "$i\r\n"; ob_flush(); flush(); sleep(1); } I tried script above on 2 different servers. Both respond numbers 0...9 in every line. In case of first server each number is received every second. In case of second server there is no output for 10 seconds and entire output is displayed at once. What might be wrong int second case? I tried various uutput control Functions but it didn't help. Set of response headers in both cases is pretty much the same: HTTP/1.1 200 OK Date: Mon, 03 Jan 2011 19:21:21 GMT Server: Apache X-Powered-By: PHP/5.2.14 Keep-Alive: timeout=15, max=100 Connection: Keep-Alive Transfer-Encoding: chunked Content-Type: text/plain

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• How do I install Intel ethernet drivers?

  - by Pat

  I just bought a Lenovo T420, I booted the live CD and couldn't connect to my wireless router so I figured I needed the drivers for it. I have the last version of Ubuntu(12.04). It's a Intel® 82579 Gigabit Ethernet Controller So I went on intel's website and downloaded the Drivers for Linux and compiled them with make install. Here's the tutorial I followed: Linux Driver Install I have a few question though, What are these doing : modprobe e1000e ifconfig eth0 up dhclient eth0 ping intel.com As far as what I've read, modprobe seems to add the driver to the list of drivers for the kernel, but is that operation only good for one session? The two other lines, I don't understand either what they are doing. What does he mean at the end when he mentions : Note: Whenever the kernel version is upgraded you will need rebuild this driver. And are these steps permanent? Or do I have to add them to some boot.conf file for everytime I boot. Anyways, the steps worked for me and I have established a connection with my router, I just need to know if I need to do additional steps to keep the driver permanently etc.

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• Strange Windows Server 2008 R2 (FTP Server) Error - Caused by a specific combination of characters in the filename of uploaded file

  - by Steven

  We are running Windows Server 2008 R2, which is setup to be a FTP server. Everything seemed to be working fine until one our our cilents started complaining about their uploads being halted with the message "Connection with server reset". Further diagnosis revealed that a specific combination of characters in the filename will cause a repeatable error. I am hoping that a form expert can confirm the error or perhaps provide a solution. This is an example filename that will always cause the error: REPORT_FILED_000000001 (extension does not matter) Any help would be greatly appreciated! We need files named like this to work properly with our FTP server.

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• Why does this login fail for user 'Servername\Guest'?

  - by Metassebia

  I install SQL Server 2005 EXPRESS edition on one computer, Computer Name = 'MyServe' and Database name='MyDB',take it as database server. it is configured as both Database and Windows Authentication Mode. with username=sa and password=adminaa. I have application in C#.Net my connection string is ConnectionString = "Data Source=MyServe\SQLEXPRESS;Initial Catalog=MyDB;Integrated Security=True;User ID=sa;Password=adminaa"; when I run the application on the computer called MyServe, the database server, it works well, while when I install the application on different computer, when it tries to connect the database it gives an error called "login failed for user 'MyServe\Guest" what is wrong with configuration in the database server or other mistakes. please help me. thankyou in advance. Metasebia

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• How do I install the latest version of Mupen64?

  - by Uikri

  Alright, I can't figure out how to install Mupen64 on Ubuntu 12.04. I'm gonna be moving in ~2 days with no internet connection for an indefinite amount of time, so that's why I'm asking for answers here instead of figuring it out myself (I don't have time right now to sit and fiddle with figuring out emulators). I'd like to know how to properly install the latest version of Mupen64 (Stable. No beta or anything like that) and how to be able to use a controller with it. I've heard rumor that the latest version of M64 no longer has a GUI, but that there are ways to add a GUI to it after installation, so I'd also like to know how to add the Mupen64Py UI to it. I am not totally Ubuntu savvy. I do not know how to compile stuff from source, I don't necessarily know a lot of terminology, I'm not very handy with the terminal, etc. So it would be helpful if you explain each step in an easy to understand manner. Thanks in advance to anybody who helps out. EDIT: I've already seen How do I install mupen64plus?, just so you guys know. I just need instructions that are more detailed. Also, thanks for the edit, Jorge Castro! I guess I really should have properly formatted my question ^^;

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• Windows 7 doesn't connect to mapped drives at start up.....

  - by danbo

  We are testing Windows 7 (32bit version) and logon to a windows 2003 domain that runs a logon script whichs maps our drive letters. We have no control over the domain. Of our 7 test users, 5 continually recieve red X's on their network drives after they logon. Double clicking on them connects the drives, however, any aplpication that requires files on the fileserver will fail since it thinks it has no connection to the drive. We have tried several reg edits (Enable Linked connections, KeepConn), we have tried to find information in the event viewer to no avail. We have also looked at any differences in NIC driver versions (none). The other 2 computers that can connect without problem are local admins, but, if we logon to the 5 that have the problem with the local admin credentials we get the red x's as well??? This one is a real head scratcher......

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• How to turn ON bluetooth in Dell Inspiron?

  - by ykombinator

  I bought a new Dell Inspiron laptop a month ago. The company had pre-installed all the required software in my laptop. As such, the bluetooth used to be switched ON whenever I switched on my machine. However, a few days later, the bluetooth stopped working. I re-started the Laptop and it was ON! Now I am facing this problem very frequently. As such, the wi-fi connection doesn't work unless the bluetooth is switched ON. The bluetooth turns ON after a few re-boots and sometimes doesn't turn ON for many days. Does anybody know any trick to keep the bluetooth ON everytime I switch ON my machine. P.S: The Dell manual did not help.

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• I am confused between PHP and ASP.NET to choose as a career in Indian software development context

  - by Confused_Guy

  I need your help(specially from the software professionals of India). I have completed MCA in 2009. After that instead of joining software company I did a Teaching job nearby by home. In the mean time I prepared myself for public sector jobs(bank). I continued my job for 1 year more and left it in 2010. Now in 2012 ,I feel that I should have done the software jobs,so that I could earn my bread and butter and in the mean time I could have prepared for the job.Because,according to my qualification it will give me the best salary. Now I want to go back in software industries. Now all of them are asking for experiences.And I don't have any.....So which language should I learn? And what should I do,because I have two year gap. Some of my friends suggested me to go with PHP as its easier and quicker to get job in India. But Here the PHP guys are getting less salary as compared to ASP.NET. I am planning to begin with PHP and but is it possible to switch to ASP.NET after two years experience. JAVA: I know upto servlet & JSP. Which is nothing in current market. ASP.NET: I know the basics of asp.net upto database connection ie(Gridview). PHP: Only the basics. So what should I do now. Which is most demanding. Does PHP is good, I feel its more like JSP pages. Please guide me, All your suggestions are needed for me.

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• Cannot connect to HTTPS port on Ubuntu

  - by Simpleton

  I've installed a new SSL certificate and set up Nginx to use it. But requests time out when trying to hit HTTPS on the site. When I telnet to my domain on port 80 it connects, but times out on port 443. I'm not sure if there's some defaults on Ubuntu preventing a connection. UFW status shows: 443 ALLOW Anywhere netstat -a shows: tcp 0 0 *:https *:* LISTEN nmap localhost shows: 443/tcp open https The relevant block in the Nginx config is: server { listen 443; listen [::]:80 ipv6only=on; listen 80; root /path/to/app; server_name mydomain.com ssl on; ssl_certificate /etc/nginx/ssl/ssl-bundle.crt; ssl_certificate_key /etc/nginx/ssl/server.key; location / { proxy_pass http://mydomain.com; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } }

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• Application runs with different speed for two different user logins on windows server

  - by karthi

  We have a application in Windows Server that download data from SQL server and store in our local machine. Now the problem I have is my Windows Server has two logins and in one login the app runs real slow, like gets 1 row in a minute, and from another login it fetches 20 rows in a minute. We have this problem only for a last couple of days. What could have caused this? More details: SQL server:S QL server2008 Os: Windows server 2008 Access method: Remote connection. Application: Custom .Net application to get data Both accounts are limited rights accounts. Any tools to track this? I am not sure what should I start with.

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• Force shutdown a pc stuck in updating via Team Viewer

  - by Martheen Cahya Paulo

  Before I left office, I shutdown my work computer, leaving it in "Please do not power off..." screen. Now, when I log on to my own computer, I saw in Team Viewer that it's on. I thought it restarted instead of shutting down, but when I connect to it, it's still stuck in the previous screen. I've tried sending Ctrl-Alt-Del, but it seems to ignore it. I could still change its resolution via Team Viewer, and the fact that it respond my connection means it's not completely stalled. Is there anyway to shutdown it via Team Viewer?

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• Need help with remote dekstop - Limit the computers you can access server from

  - by stirredo

  I have a windows server 2003 computer that is accessed by remote desktop connection. To access the server all you need to know is the IP address of the computer. I want to limit the computers that can access the windows server computer to authorized computers only. The authorized computers won't have static IPs, so I cannot limit them on basis of IP address. Can I limit them on basis of MAC id perhaps? I won't mind using third party solution like Teamviewer or Logmein etc. So How can I solve this problem?

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• Able to send, but not receive from gmail.com within Outlook 2003 (0x800CCC0F)

  - by matt_tm

  In my home network, I'm able to access my @gmail.com and @otherdomain.com accounts via POP3 from Outlook 2003. When accessing from my office network, I'm not able to receive, but am able to send. I get the following error: Task '[email protected] - Receiving' reported error (0x800CCC0F) : 'The connection to the server was interrupted. If this problem continues, contact your server administrator or Internet service provider (ISP).' The POP3 is set to 995 (using SSL), SMTP to 465 (using SSL), Logon using SPA is NOT enabled. There is NO change I make on my system from the office to home network, except my local, internal IP address changes.

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• Proxy server on windows with SSL encrypted exchange with client

  - by Syffys

  I want to set up a classic proxy server (HTTPS, HTTPS, SSH, FTP, etc...) on a windows platform, but I need the following features: password authentication for clients data exchanged between clients and server to be SSL encrypted I've been trying to set this up various application to get this result, but without success so far: Squid for windows ccproxy wingate Alternatively, an other solution would be an HTTP SSL tunnel encapsulating an unencrypted proxy connection between clients and the server. I've spent a lot of time without any result so far, so I'm wondering if anyone faced this kind of issue. Thanks in advance!

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• Client-server application design issue

  - by user2547823

  I have a collection of clients on server's side. And there are some objects that need to work with that collection - adding and removing clients, sending message to them, updating connection settings and so on. They should perform these actions simultaneously, so mutex or another synchronization primitive is required. I want to share one instance of collection between these objects, but all of them require access to private fields of collection. I hope that code sample makes it more clear[C++]: class Collection { std::vector< Client* > clients; Mutex mLock; ... } class ClientNotifier { void sendMessage() { mLock.lock(); // loop over clients and send message to each of them } } class ConnectionSettingsUpdater { void changeSettings( const std::string& name ) { mLock.lock(); // if client with this name is inside collection, change its settings } } As you can see, all these classes require direct access to Collection's private fields. Can you give me an advice about how to implement such behaviour correctly, i.e. keeping Collection's interface simple without it knowing about its users?

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• What happens when router has been set to incorrect time?

  - by iamrohitbanga

  I have a D-Link router for my home Wi-Fi network. Everyday at least once the internet suddenly goes down. I am simply not able to connect to the Wi-Fi network. If I just restart the router, it starts working. To debug the issue I logged into the admin panel and noticed the time was set to something in 2002. I have set it to the correct time. Will wait to see if that fixes the problem. In the meanwhile I want to know what can go bad when the router has been set to show an incorrect time? What are the kinds of problems expected? My Wi-Fi was working just fine most of the time, but sometimes it lost the connection. Could this be linked to the incorrect time setting?

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• Nginx Tornado Combination Causing 502 Bad Gateway Errors

  - by PlaidFan

  We are facing a problem with inconsistent 502 errors and tracking down the reasons has been a very frustrating exercise. We can reproduce the problem by sending several simultaneous requests quickly. The problem is that several is only in the range of 10 to 20 within a 5 seconds (not a typo). So clearly this type of load should be handled easily. We really like the Nginx + Tornado approach but are considering going to a more traditional (e.g. threading) approach because this problem has been very difficult to solve. I was wondering if you a) know how to fix this issue and b) how we can tracked down the culprit(s). The log files simply identify there being a connection refused. We have the same problem as this post: How do I debug a HTTP 502 error? But there is no answer provided on how to solve the problem so I'm hoping you can help because this may be a common issue with this type of setup. Thanks in advance, Paul

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• How to download big file with chrome on Mac OSX?

  - by Eye of Hell

  If I try to download a big file on unstable connection/server (XCode 4) Google chrome simply "stops" downloading on first network error so I have a first 1-2-3 gigabytes of file and chrome thinks that download is finished. Unfortunately, I need to download an entire file, so I need a more advanced download tool like a wget. But there comes a problem: most URL's currently on the web is not a direct URL but multiple "redicrect" pages that utilize complex javascript in order to generate next url and redirect browser to it. Chrome handles such things ok, but if I try to supply such URL to wget it will download some "intermediate" page as a file - not a file itself but an HTML page with complex redirect javascript. is it any way to get a direct URL from chrome or to somehow discover it so I can use it with wget? Maybe it's some avanced download manager integrated in chrome that I just need to install? I use MacOS X 10.6.6 and latest Google chrome.

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• SIP Service to record all calls?

  - by TK Kocheran

  I read an article that I can't find at the moment which detailed a way to have Google Voice point to a SIP phone number which forwards to your phone in order to take advantage of the SIP service in order to Have all calls use a data connection = no usage of cell-phone plan minutes. Record each and every conversation.* I really want to be able to accomplish this, primarily issue number 2, as all of the phone recorder tools in the Android Market essentially don't work for my Nexus One. I figure that I have one of two options with this. I could 1) use an existing (hopefully free) service which will do this for me or 2) I could set up a SIP service at my home. to somehow forward calls through my home server which will record the calls as well as forward calls to my cell phone. Obviously, the path of least resistance is the one I'd like to go down. Can anyone help me out with this? * I do understand that the legality of this varies from state to state here in the US.

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• ssh freezes when trying to connect to some hosts

  - by NS Gopikrishnan

  When I try to ssh to particular machine/s in a list, The SSH command happens to be freezing. I tried out setting ssh timeout. But then also it's freezes even after the timeout. In verbose mode : OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to x358.x.server.com [10.x.x.x] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /export/home/sqlrpt/.ssh/identity type -1 debug1: identity file /export/home/sqlrpt/.ssh/id_rsa type -1 debug1: identity file /export/home/sqlrpt/.ssh/id_dsa type 2 At this point it freezes. A work around I thought was to create a child process for each ssh calls and if the process doesn't respond after a timeout - Kill it. But are there any less complex ways, so that I can accommodate it in a shell script itself rather than going for a C/C++ program ?

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• Database commands

  - by user12609425

  Ops Center has two database options - you can have Ops Center automatically install a database on the Enterprise Controller system, or you can use your own database on any system you choose. If you use your own database, it's obviously important to make sure that this database is running smoothly. You have a few tools that can help you do this. The first is the ecadm command. This command has a variety of subcommands that let you view and control the status of the Enterprise Controller. Two subcommands in particular are relevant to the database: ecadm verify-db: This subcommand verifies that the database is reachable and that the schemas are configured with the proper permissions. Use the -v option if you want more details; the command is normally terse if the DB is configured correctly. ecadm sqlplus -r: This subcommand opens an sqlplus console connection to the database. The -r option makes this console read-only, which isn't necessary, but is generally a good idea. You can also view the database contents using Oracle SQL Developer or other tools. The Accessing Core Product Data how-to describes this process.

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• Disable Network settings (TCP/IP & DNS) on Windows 7 Ultimate

  - by TiD91

  i also read this discussion here How to disable Tcp/Ip settings in windows 7 via GPO? about what i want to do but i still have problems. So here i am: i have a desktop pc with two accounts, both with Administrative rights. One is used by the entire my family, in particular by my brother. The problem is that i set some DNS and IP configurations to let be possible the VNC connection from remote. Now i would like to disable the network settings (TCP/IP and DNS) to prohibit my brother to change it preventing me to connect to it. So how can i do this? I set the policies from GPO but i still can change these settings from his account. Here's a pic of Registry Keys: http://imageshack.us/a/img339/3310/famigliapc2012092017274.png what didn't i do? Thanks in advance for your help. Rub|TiD

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• Maximizing after moving RDC window between different size monitors

  - by msorens

  My Win7 system has two monitors of different sizes. When I open a Remote Desktop Connection on one monitor set to use full screen, both the RDC window and the remote system's desktop fills the monitor. If I then move the window onto my second monitor (1-Restore Down button to make it movable; 2-Drag window to other monitor; 3-Maximize button to fill monitor) the RDC window fills the monitor, but the remote system's desktop remains the same size it was before. Thus, if I move from the larger to the smaller monitor I have scrollbars to see the whole remote desktop, while if I move from the smaller to the larger monitor the remote desktop occupies only a portion of the monitor. My workaround is to close the RDC window completely then re-establish it on the other monitor. Is there a way to avoid this overhead and just resize the remote desktop to fit?

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• MacBook repeatedly disconnects from WiFi

  - by redwall_hp

  I have an early 2008-model MacBook (2.4GHz). The WiFi router I have at home is a Linksys WRT54GX2 that I have had for a few years. My MacBook has recently started disconnecting from the router every few minutes, which is rather annoying. I can reconnect again without having to restart the router or anything, as it seems that the MacBook is just dropping the connection. I have tried changing the channel on the router, and upgrading the laptop from Leopard to Snow Leopard made no difference either. I'm only about six feet from the linksys device, so distance isn't an issue. This only happens with the Linksys router, while I can use the local library's open network without issue. The problem also seemingly becomes more pronounced after midnight. Any ideas as to what the problem could be?

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