Imagine this Scenario. Say you purchased SQL Server 2008 under a 5 CAL License. A sixth person makes a query from his machine (e.g. through a VBScript). Why doesn't Microsoft put restrictions in the SQL software to stop this sixth connection? As you all know, currently, SQL server licensing is ...

I have Microsoft SQL Server 2008 installed on a server. The license is 5 CAL I have a three tier solution viz database <-> Windows Service <-> User Multiple Users (More than 5) connects to the single windows service. The windows service than connects with the SQL server, grabs data and t...

I was trying to compile a php extension on windows and ran into some trouble. I then thought it was possible to do the compilation for Windows on Linux, but turned out that wasn't possible. Can someone explain to me why compiling has to be done on the same OS? I'm trying to understand this topi...

(please note, I have not much knowledge about these things - so I might use some terms incorrectly) I registered a domain name (only the name, no web hosting) and want to use it with google apps. Before I can do so, I need to have a name server where I can add a TXT record to prove ownership of ...

I am going to establish a website, it will run a CMS tools like Drupal that require PHP and MYSQL. I would like to setup a PC desktop or notebook with the OS of Ubuntu, this server will located on my home and open for 24 hours, it connect will wifi or a cable for internet access and it will inclu...

Why bittorrent needs as many ports?..Why not just one-2? I know that some of them are used for peer discovery, but dont exactly know how is this happening. Can you please provide more technical information about how bittorent works(deeper than its described in wikipedia)?

and also collect network metrics like jitter, and packet drop rate, etc. using tools like netperf or iperf, we get something like: netperf -H 10.0.11.119 TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.0.11.119 (10.0.11.119) port 0 AF_INET Recv Send Send ...

So yesterday Webmin deleted my /etc/passwd and although it looks like everything is working, I can't get sendmail to work when used in a PHP script. Using mail() returns false, using PHPMailer results in "Mailer cannot execute sendmail". I am 100% sure that this problem has happened because of ...

I'm writing a Ruby support library for IP network management, and I'm having trouble coming up with a commonly used construct, namely an IP address with prefix, where the distinction between host and network is implicit: if the prefix only masks bits in the address, then it's a network address. ...

Why bittorrent needs as many ports?..Why not just one-2? I know that some of them are used for peer discovery, but dont exactly know how is this happening. Can you please provide more technical information about how bittorent works(deeper than its described in wikipedia)?

I need to know if there are any statistics available regarding the most commonly used WiFi devices in residential use. Also, I would like to know if there are other common devices on residential networks. I am thinking that the Telco-service industry would have access to statistics like these.

I need to be able to run the command /usr/bin/evrouter as root, without being requested a password. See http://wiki.xbmc.org/index.php?title=HOW-TO:Gyration_USB_remote_in_Ubuntu_for_XBMC_using_evrouter#Set_Up_Sudo for the followed example. my sudoeurs file looks like this: lucian@lucian-P35-DS...

I recently changed nameservers and it has been 24 hours since. Some of my visitors are complaining they are still viewing the old site while some are already seeing the new site. Is there any way to speed-up the DNS propagation without updating the hosts file of each of my visitors? Are there an...

I have a dedicated server where I have hosted a small social network created with Joomla. I have detected some problems. When there are 5 or six simultaneous users, Apache begins to consume a lot of CPU. I would like to advise me on how to configure my server. I've tried several configurations, ...