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  • KVM network bridge and public static IP for both host and guests

    - by Javier Martinez
    I have a Debian Server with 4 public static addresses. There is a KVM guest (also Debian) installed and running. What I want is to give the guest an IP of the host, so that both machines have public IPs. IP 1: 188.165.A.B IP 2: 178.33.CCC.D IP 3: 178.33.CCC.E IP 4: 178.33.CCC.F What should I do to have connection for host and guest ? This is network conf: # ifconfig br0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:188.165.A.B Bcast:188.165.255.255 Mask:255.255.255.0 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3618 errors:0 dropped:4 overruns:0 frame:0 TX packets:4853 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:599562 (585.5 KiB) TX bytes:1693443 (1.6 MiB) eth0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4274 errors:0 dropped:0 overruns:0 frame:0 TX packets:4879 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:720045 (703.1 KiB) TX bytes:1715641 (1.6 MiB) Interrupt:20 Memory:fe500000-fe520000 eth0:0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.D Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:1 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.E Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:2 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.F Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:27932 errors:0 dropped:0 overruns:0 frame:0 TX packets:27932 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1820862 (1.7 MiB) TX bytes:1820862 (1.7 MiB) vnet0 Link encap:Ethernet HWaddr fe:54:00:87:40:ec inet6 addr: fe80::fc54:ff:fe87:40ec/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:18 errors:0 dropped:0 overruns:0 frame:0 TX packets:204 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:1452 (1.4 KiB) TX bytes:16958 (16.5 KiB) #route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default aa.bb.cc.eu 0.0.0.0 UG 0 0 0 br0 188.165.255.0 * 255.255.255.0 U 0 0 0 br0 # brctl show bridge name bridge id STP enabled interfaces br0 8000.e840f20acc28 no eth0 vnet0 There is no firewall enabled and DNS is configured properly. What I want to achieve: | | | +----+-------------------------+-+------+ | | Host | | | | | | | | | | +------------+------+ | | eth0 | eth0:0-1 | | | 188.165.A.B | | | | | | | | | br0 vnet0 | | | +------------+------+ | | | | | | | | +------------+------+ | | | | | | | | eth0:2-+ | | | | 178.33.CCC.F | | | | | | | | Guest | | | +-------------------+ | +---------------------------------------+ Thanks you

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  • KVM network bridge and public static IP for both host and guests

    - by Javier Martinez
    I have a Debian Server with 4 public static addresses. There is a KVM guest (also Debian) installed and running. What I want is to give the guest an IP of the host, so that both machines have public IPs. IP 1: 188.165.A.B IP 2: 178.33.CCC.D IP 3: 178.33.CCC.E IP 4: 178.33.CCC.F What should I do to have connection for host and guest ? This is network conf: # ifconfig br0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:188.165.A.B Bcast:188.165.255.255 Mask:255.255.255.0 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3618 errors:0 dropped:4 overruns:0 frame:0 TX packets:4853 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:599562 (585.5 KiB) TX bytes:1693443 (1.6 MiB) eth0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4274 errors:0 dropped:0 overruns:0 frame:0 TX packets:4879 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:720045 (703.1 KiB) TX bytes:1715641 (1.6 MiB) Interrupt:20 Memory:fe500000-fe520000 eth0:0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.D Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:1 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.E Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:2 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.F Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:27932 errors:0 dropped:0 overruns:0 frame:0 TX packets:27932 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1820862 (1.7 MiB) TX bytes:1820862 (1.7 MiB) vnet0 Link encap:Ethernet HWaddr fe:54:00:87:40:ec inet6 addr: fe80::fc54:ff:fe87:40ec/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:18 errors:0 dropped:0 overruns:0 frame:0 TX packets:204 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:1452 (1.4 KiB) TX bytes:16958 (16.5 KiB) #route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default aa.bb.cc.eu 0.0.0.0 UG 0 0 0 br0 188.165.255.0 * 255.255.255.0 U 0 0 0 br0 # brctl show bridge name bridge id STP enabled interfaces br0 8000.e840f20acc28 no eth0 vnet0 There is no firewall enabled and DNS is configured properly. What I want to achieve: | | | +----+-------------------------+-+------+ | | Host | | | | | | | | | | +------------+------+ | | eth0 | eth0:0-1 | | | 188.165.A.B | | | | | | | | | br0 vnet0 | | | +------------+------+ | | | | | | | | +------------+------+ | | | | | | | | eth0:2-+ | | | | 178.33.CCC.F | | | | | | | | Guest | | | +-------------------+ | +---------------------------------------+ Thanks you

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  • Windows Authentication with IIS7 with public facing website

    - by user38553
    By default in IIS7, Windows Authentication was turned off and I had to make a configuration change to activate it. When I did that there was a description for Windows Authentication that explained this should only be used for intranet sites, not public facing websites. When you consider NTLM/Kerberos does not use plain text I am not sure why Microsoft have decided this, all of a sudden. Can anybody explain?

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  • MSTSC RDP over the public internet

    - by stuart Brand
    My first question so please be gentle :) I have a client who is insisting that they have to let their third party vendor support access to there server directly from the internet via RDP. Our policy does not allow direct access to the infrastructure from outside of the data centre for administration except from an approved VPN connection and then virtual desktop there on to the servers. I am now in the situation where I must give good reasons why it is dangerous to use RDP over the public internet. any help would be appreciated Thanks in advance Stuart

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  • public family tree

    - by Remus Rigo
    Hi all Does anyone know a ancestry site that allows you to create a public profile or tree, so that other visitors can see your family tree. In all sites that I have found (dynastree.com, familylink.com, ancestry.com, genebase.com), if someone wants to see your family tree, they must be members or register. thanks

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  • Move the Public folders on Windows 7

    - by Omar Shahine
    This question is not about user folders, but rather the Public user folder on Windows 7. How do you map folders such as Music, Pictures, Video to a different location. If you right click, go to properties, and look at the location tab it's not editable on Windows 7.

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  • DNS Records: Forwarding a port on my public domain

    - by marienbad
    I've set up an MX record for a local mailserver before, but I've never done this... I want to set up my public domain (registered by Dreamhost) to accept IPP (Internet Printing Protocol) jobs and send them to the IPP LaserJet printer on my home LAN. IPP uses port 631. What do I put in my DNS records?

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  • Assigning public IP to Vmware guest

    - by jainaman
    Hi I want to assign public IP to a virtual machine on Vmware server, so that the virtual machine's IP is visible to external machines. I tried Bridging option with vmnet0, but DHCP is not working on it. Also, ipconfig /all only shows vmnet1 and vmnet8, but vmnet0 is not being shown. Any help is highly appreciated. Thanks

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  • Sharing public key with ssh

    - by jtnire
    Hi Everyone, Is it possible to somehow setup an ssh server that doesn't require a username,password or cert to login? If that's not possible, if I were to give all customers the same public key, would each connection be encrypted individually? (i.e. user A coudn't decrypt the payload of user B's connection) I wish to provide access to a single program, which will prompt for a username and password. Encryption is essential though, and users must not be able to snoop in on each other Thanks

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  • Allow users to ssh to specific user through ldap and stored public keys

    - by iElectric
    I recently setup gitolite, where users access git repository with "gitolite" user through ssh. Now I would like to integrate that into LDAP. Each user has pubkey in LDAP and if he has "git" objectClass, he would be able to access "gitolite" user through ssh. I know it's possible to store public keys in LDAP, I'm not sure if it possible to allow authentication in "gitosis" account based on objectClass. EDIT: To clarify, with objectClass git, user "foobar" would be able to login as "gitolite" through ssh

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  • Prevent abuse of public HTTP directory meant for images

    - by sutre
    The situation: Each user has their own public HTTP directory, meant for images only. This could easily be abused by users using it to serve large files, wasting bandwidth. The question: Is there any fairly simple way to prevent this abuse? Either by allowing the webserver to only images to be served, restricting size, or some other method.

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  • Disable static content caching in IIS 7

    - by Lee Richardson
    I'm a developer having what should be a relatively simple problem in IIS 7 on Windows Server 2008 R2. The problem is that IIS 7 is overzealously caching all static content on the server. It's caching all .html and .js content and not noticing when the content changes on disk unless I iisreset. I've tried the following: Deleting the local cache in my browser (I'm 99% positive this is a server caching issue) In IIS Admin in OutputCaching adding an .html extension and unchecking "User mode caching" and unchecking "Kernel-mode caching" In IIS Admin in OutputCaching adding an .html extension and checking "User mode caching" and selecting the radio for "Prevent all caching" In IIS Admin editing Output Cache Feature settings and unchecking "Enable cache" and "Enable kernel cache under OutputCaching. Running "C:\Windows\System32\inetsrv\config\appcmd set config "SharePoint - 80" -section: system.webServer/caching -enabled:false" Looking through applicationHost.config and disabling anything related to caching I could find. Nothing seems to work. I'm getting very frustrated. Can anyone please help?

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  • Using the public ssh key from local machine to access two remote users [closed]

    - by Nick
    I have an new Ubuntu (Hardy 8.04) server; it has two users, Alice and Bob. Alice is listed in sudoers. I appended my public ssh key (my local machine's public key local/Users/nick/.ssh/id_rsa.pub) to authorized_keys in remote_server/home/Alice/.ssh/authorized_keys, changed the permissions on Alice/.ssh/ to 700 and Alice/.ssh/authorized_keys to 600, and both the file and folder are owned my Alice. Then added I Alice to sshd_config (AllowUsers Alice). This works and I can login into Alice: ssh -v [email protected] ... debug1: Offering public key: /Users/nick/.ssh/id_rsa debug1: Server accepts key: pkalg ssh-rsa blen 277 debug1: Authentication succeeded (publickey). debug1: channel 0: new [client-session] debug1: Entering interactive session. Last login: Mon Mar 15 09:51:01 2010 from 123.456.789.00 I then copied the authorized_keys file remote_server/home/Alice/.ssh/authorized_keys to remote_server/home/Bob/.shh/authorized_keys and changed the permissions and ownership and added Bob to AllowUsers in sshd_config (AllowUsers Alice Bob). Now when I try to login to Bob it will not authenticate the same public key. ssh -v [email protected] ... debug1: Offering public key: /Users/nick/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key: /Users/nick/.ssh/identity debug1: Trying private key: /Users/nick/.ssh/id_dsa debug1: No more authentication methods to try. Permission denied (publickey). Am I missing something fundamental about the way ssh works?

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  • make IIS 7.5 cache static content files over diferent pages

    - by Achilles
    On a Windows 2008 R2, using DNS and IIS I've established my development test server; i.e. I'll have a web application that I can browse on http://test.dev I've moved all the static content files like images, js files and css files into another application which is visible on http://cdn.test.dev test.dev, uses cdn.test.dev urls like http://cdn.test.dev/js/jquery.js to load js, css and images. When I first load "~/" of test.dev, all files will load with a response code of 200; when I press F5 in Firefox, all files, except the "~/default.aspx", will load with 304 response code; but pressing Ctrl+F5 loads them again with a 200 code; if I browse another url like "~/pages/" in test.dev, all of those static files will reload with a 200 code... Is this normal or I'm doing something wrong? Actually, I'm looking for a behavior like this: I want the client to load http://cdn.test.dev/js/jquery.js, only once. I want the client's browser to use this jquery.js file, from cache, in all other pages of test.dev Is this possible? This is the web.config file I have in the root directory of cdn.test.dev: <configuration> <system.webServer> <caching> <profiles> <add extension=".png" policy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" /> <add extension=".gif" policy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" /> <add extension=".jpg" policy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" /> <add extension=".js" policy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" /> <add extension=".css" policy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" /> <add extension=".axd" kernelCachePolicy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" /> </profiles> </caching> <httpProtocol allowKeepAlive="true"> <customHeaders> <add name="Cache-Control" value="public, max-age=31536000" /> </customHeaders> </httpProtocol> <validation validateIntegratedModeConfiguration="false" /> <modules runAllManagedModulesForAllRequests="true"> <remove name="RadUploadModule" /> <remove name="RadCompression" /> <add name="RadUploadModule" type="Telerik.Web.UI.RadUploadHttpModule" preCondition="integratedMode" /> <add name="RadCompression" type="Telerik.Web.UI.RadCompression" preCondition="integratedMode" /> </modules> <handlers> <remove name="ChartImage_axd" /> <remove name="Telerik_Web_UI_SpellCheckHandler_axd" /> <remove name="Telerik_Web_UI_DialogHandler_aspx" /> <remove name="Telerik_RadUploadProgressHandler_ashx" /> <remove name="Telerik_Web_UI_WebResource_axd" /> <add name="ChartImage_axd" path="ChartImage.axd" type="Telerik.Web.UI.ChartHttpHandler" verb="*" preCondition="integratedMode" /> <add name="Telerik_Web_UI_SpellCheckHandler_axd" path="Telerik.Web.UI.SpellCheckHandler.axd" type="Telerik.Web.UI.SpellCheckHandler" verb="*" preCondition="integratedMode" /> <add name="Telerik_Web_UI_DialogHandler_aspx" path="Telerik.Web.UI.DialogHandler.aspx" type="Telerik.Web.UI.DialogHandler" verb="*" preCondition="integratedMode" /> <add name="Telerik_RadUploadProgressHandler_ashx" path="Telerik.RadUploadProgressHandler.ashx" type="Telerik.Web.UI.RadUploadProgressHandler" verb="*" preCondition="integratedMode" /> <add name="Telerik_Web_UI_WebResource_axd" path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" verb="*" preCondition="integratedMode" /> </handlers> <security> <requestFiltering> <requestLimits maxAllowedContentLength="10485760" /> </requestFiltering> </security> <staticContent> <clientCache cacheControlMode="UseExpires" httpExpires="Wed, 01 Jan 2020 00:00:00 GMT"/> </staticContent> </system.webServer> <appSettings /> <system.web> <compilation debug="false" targetFramework="4.0" /> <pages> <controls> <add tagPrefix="telerik" namespace="Telerik.Web.UI" assembly="Telerik.Web.UI" /> </controls> </pages> <httpHandlers> <add path="ChartImage.axd" type="Telerik.Web.UI.ChartHttpHandler" verb="*" validate="false" /> <add path="Telerik.Web.UI.SpellCheckHandler.axd" type="Telerik.Web.UI.SpellCheckHandler" verb="*" validate="false" /> <add path="Telerik.Web.UI.DialogHandler.aspx" type="Telerik.Web.UI.DialogHandler" verb="*" validate="false" /> <add path="Telerik.RadUploadProgressHandler.ashx" type="Telerik.Web.UI.RadUploadProgressHandler" verb="*" validate="false" /> <add path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" verb="*" validate="false" /> </httpHandlers> <httpModules> <add name="RadUploadModule" type="Telerik.Web.UI.RadUploadHttpModule" /> <add name="RadCompression" type="Telerik.Web.UI.RadCompression" /> </httpModules> <httpRuntime maxRequestLength="10240" /> </system.web> </configuration> and this is the resulting response header for http://cdn.test.dev/css/global.css: Cache-Control: private,public, max-age=31536000 Content-Type: text/css Content-Encoding: gzip Expires: Wed, 01 Jan 2020 00:00:00 GMT Last-Modified: Mon, 06 Sep 2010 08:53:06 GMT Accept-Ranges: bytes Etag: "0454eca04dcb1:0" Vary: Accept-Encoding Server: Microsoft-IIS/7.5 X-Powered-By: ASP.NET Date: Mon, 06 Sep 2010 14:57:08 GMT Content-Length: 4495

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  • how does public key cryptography work

    - by rap-uvic
    Hello, What I understand about RSA is that Alice can create a public and a private key combination, and then send the public key over to Bob. And then afterward Bob can encrypt something using the public key and Alice will use the public and private key combo to decrypt it. However, how can Alice encrypt something to be sent over to Bob? How would Bob decrypt it? I ask because I'm curious how when I log onto my banking site, my bank sends me data such as my online statements. How does my browser decrypt that information? I don't have the private key.

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  • reference from xaml to public class in .cs class file

    - by netmajor
    I have in my WPF project file RssInfo.cs in which I have public class public class DoubleRangeRule : ValidationRule { public double Min { get; set; } public double Max { get; set; } public override System.Windows.Controls.ValidationResult Validate(object value, CultureInfo cultureInfo) { ... } } and from my XAML code in WPF window class I neet to get to this DoubleRangeRule class.. //reference to my project, all my files are in the WpfCzytanieRSS namespace xmlns:valRule="clr-namespace:WpfCzytanieRSS;assembly=WpfCzytanieRSS" <TextBox Validation.ErrorTemplate="{StaticResource TextBoxErrorTemplate}" Name="tbTitle"> <TextBox.Text> <Binding Path="Nazwa" UpdateSourceTrigger="PropertyChanged"> <Binding.ValidationRules> <valRule:DoubleRangeRule Min="0.5" Max="10"/> //error place </Binding.ValidationRules> </Binding> </TextBox.Text> </TextBox> And i get two errors: Error 1 The tag 'DoubleRangeRule' does not exist in XML namespace 'clr-namespace:WpfCzytanieRSS;assembly=WpfCzytanieRSS'. Error 2 The type 'valRule:DoubleRangeRule' was not found. Verify that you are not missing an assembly reference and that all referenced assemblies have been built. Please help to get to class DoubleRangeRule ! :)

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  • PHP Multiple Calls to Server Share Objects?

    - by user1513171
    I’m wondering this about PHP on Apache. Do multiple calls to the server from different users—could be sitting next to each other, in different states, different countries, etc…—share memory? For example, if I create a static variable in a PHP script and set it to 1 by default, then user1 comes in and it changes to 2, and then almost at the exactly same time, user2 comes in, does he see that static variable with a value of 1 or 2? An even better example is this class I have in PHP: class ApplicationRegistry { private static $instance; private static $PDO; private function __construct() { self::$PDO = $db = new \PDO('mysql:unix_socket=/........'); self::$PDO->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); } static function instance() { if(!isset(self::$instance)) { self::$instance = new self(); } return self::$instance; } static function getDSN() { if(!isset(self::$PDO)) { self::instance(); return self::$PDO; } return self::$PDO; } } So this is a Singleton that has a static PDO instance. If user1 and user2 are hitting the server at the exact same time are they using different instances of PDO or are they using the same one? This is a confusing concept for me and I'm trying to think of how my application will scale.

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  • Large public datasets?

    - by Jason
    I am looking for some large public datasets, in particular: Large sample web server logs that have been anonymized. Datasets used for database performance benchmarking. Any other links to large public datasets would be appreciated. I already know about Amazon's public datasets at: http://aws.amazon.com/publicdatasets/

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  • Why is IIS7 not compressing my static files?

    - by Peter Evjan
    I am trying to get IIS to compress jquery.js (and all other static files, but using jquery as the example here) on my localhost, but something goes wrong. The funny part is that when I look in my %SystemDrive%\inetpub\temp\IIS Temporary Compressed Files\MySiteName, I see the jquery.js file there, and its size is 24 KB. But in the browser, according to the Net tab on Firebug, the size is 69 kb. I've tried the following: - Checked that my browser accept compression. I found "Accept-Encoding gzip, deflate" in the request header via Firebug - Enabling Failed Request Tracing. Nothing turns up in the %SystemDrive%\inetpub\logs\FailedReqLogFiles folder after I do my request though.

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