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• Help with redirection and .com, .net and .ord domains.

  - by user198553

  Hi all! I need help with some rules in ISAPI_Rewrite in my installation. I'm going to be very honest about my needs. I need to do this configuration in the next few hours, and don't have time right now understand everything about rewrites, regular expressions ans such. I really think you can help me, if I had more reputation I would even set up a bounty... :( In fact, I believe that what I need is simple: I have a .com domain. The main url of my website is going to be http:// www.mainurl.com/. I have two other domains: mainurl.net and mainurl.org. What I need (in isapi-rewrite 2, the config made with httpd.ini file in root file) is: everytime someone writes mainurl.net in browser it becomes http:// www.mainurl.com/ 301 redirect. If it's written without www becomes http:// www.mainurl.com/. If someone writes mainurl.net/about it becomes http:// www.mainurl.com/about/. Redirect always the .com, the www part and the final slash /. Thanks in advance you all!

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• How to empty swap if there is free RAM?

  - by jfoucher

  When I open a RAM-intensive app (VirtualBox set at 2 Gb RAM), Some swap space is generally used, depending on what else I have open at the time. However, when I quit that last application, the 2 Gb of RAM are freed, but the same swap space use remains. How can I tell ubuntu to stop using that swap and to revert to using the RAM? Thank you Edit : Right now, about 2 hours after having closed VirtualBox, I have 1.6 Gb free RAM and still 770 Mb in swap.

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• MicroTraining: Executing SSIS 2012 Packages 22 May 10:00 AM EDT (Free!)

  - by andyleonard

  I am pleased to announce the latest (free!) Linchpin People microtraining event will be held Tuesday 22 May 2012 at 10:00 AM EDT. The topic will be Executing SSIS 2012 Packages. In this presentation, I will be demonstrating several ways to execute SSIS 2012 packages. Register here ! Interested in learning about more microtraining from Linchpin People – before anyone else? Sign up for our newsletter ! :{>...(read more)

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• Where can I find free or buy "next-gen" 3D Assets?

  - by Valmond

  Usually I buy 3D Assets from sites like turbosquid.com or similar. My problem is that I have lately implemented glow, normal maps, specular (and specular power) maps and reflection maps and I can't find any models that use those techniques. So where can I find / buy "next gen" assets (at least models/items with a normal map)? I have checked for similar posts but those I found are about either free only or 2D or 'ordinary' 3D so I hope this is not a duplicate.

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• MicroTraining: Executing SSIS 2012 Packages 22 May 10:00 AM EDT (Free!)

  - by andyleonard

  I am pleased to announce the latest (free!) Linchpin People microtraining event will be held Tuesday 22 May 2012 at 10:00 AM EDT. The topic will be Executing SSIS 2012 Packages. In this presentation, I will be demonstrating several ways to execute SSIS 2012 packages. Register here ! Interested in learning about more microtraining from Linchpin People – before anyone else? Sign up for our newsletter ! :{>...(read more)

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• Win 2 years free web hosting for your site!!!

  - by mcp111

  EggHeadCafe is giving away a free 2 year Personal Class Account to Arvixe ASP.NET Web Hosting! In fact, all members who enter the drawing below win a 20% discount off a Personal Class Account. The nice thing about Arvixe is that they also accept Google checkout and Paypal. http://www.eggheadcafe.com/tutorials/aspnet/828f2029-b7be-4d15-877c-0d9e9ab74fc5/review-of-arvixecom-web-site-hosting.aspx  Tweet

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• Under which circumstances (if any) does it make sense to work for a startup, for free?

  - by blueberryfields

  I've been bumping around the startup world for a while, and most startups I've seen seem to have (amongst other things) two things in common: A lack of money An inability to, reliably, hire good quality developers This means that, for startups, the ideal hire is someone who is free - where they can wait until they've both raised money and found out that the hire is worth his price tag. When (if ever) is this a win win situation? For you, as a programmer or software developer, when would this make sense?

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• Want to become and WebLogic 12c expert? free WebLogic 12c partner bootcamps – new location: Madrid Spain

  - by JuergenKress

  We offer free 2 days hands-on WebLogic 12c workshops for Oracle partners who want to become WebLogic Specialize: Spain 18 - 19 September 2012 Oracle Ibérica For details please visit our registration page. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic 12c bootcamp,WebLogic training,education,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Free book from Microsoft - Building Elastic and Resilient Cloud Applications - Developer's Guide to the Enterprise Library 5.0 Integration Pack for Windows Azure

  - by TATWORTH

  At http://www.microsoft.com/en-us/download/details.aspx?id=29994, Microsoft are are offering a free book  - "Building Elastic and Resilient Cloud Applications - Developer's Guide to the Enterprise Library 5.0 Integration Pack for Windows Azure"The Microsoft Enterprise Library Integration Pack for Windows Azure is an extension to the Microsoft Enterprise Library 5.0 that can be used with Windows Azure. It includes the Autoscaling Application Block, the Transient Fault Handling Application Block, a protected configuration provider and the Blob configuration source.The book is available as PDF, mobi and epub formats.

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• OPN Exchange Test Fest - Specialization for FREE! at Oracle OpenWorld

  - by Cinzia Mascanzoni

  Registered partners can take advantage of Test Fest during the conference to earn an Oracle PartnerNetwork (OPN) Specialist certification. Check the list of current exams and study materials now available, and make sure partners preregister soon to reserve a seat in one of the 10 sessions being offered at Oracle PartnerNetwork Exchange @ OpenWorld—free to registered attendees. Further details are available here.

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• SQLskills training goes online worldwide (and free in September!)

  SQLskills is recording their knowledge in conjunction with Pluralsight for you to view from the time and place of your choosing. And it's free in September. Read more to find out how you can get access. Learn Agile Database Development Best PracticesAgile database development experts Sebastian Meine and Dennis Lloyd are running day-long classes designed to complement Red Gate’s SQL in the City US tour. Classes will be held in San Francisco, Chicago, Boston and Seattle. Register Now.

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• Make Money Online - Paid Or Free Methods? Which Path is Best For Your Business?

  There is a serious debate in the internet marketing world on which method of traffic is better. Is it paid traffic or is it free traffic?

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• Should I use the ATI proprietary or free drivers with two Crossfire HD5850s?

  - by Dekel

  I own 2 XFX Radeon HD 5850 in crossfire configuration connected to 3 24" monitors. I really want to make Ubuntu my daily OS but can't seem to find the best configuration to use. Some threads say that the free driver is better then the ATI one and some say the new Catalyst fully takes advantage of the card capabilities. Anyone out there with a similar setup? What are your recommendations for a good production in 12.04 setup?

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• Sometimes Free is Not Just Good, But Great! 3 Reasons to Get and Use the Google Calendar

  I encourage clients to use web tools that have been developed for the masses and are free online. Of course they need to meet my criteria for security, user-friendly functions, and multi functions-- it needs to have the ability to meet the needs of different users. One of my favorites is the Google Calendar.

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• Why Wait? Any Purchase of Microsoft Expression 3 Now Qualifies for a Free Version 4 Upgrade

  Buy Microsoft Expression Studio 3 now and upgrade to Expression Studio 4 for free later....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Dovecot: doveadm move command syntax

  - by vincent

  I want to transfer an email from user1@domain.com to put it in a folder of another user: user2@domain.com For that, it seems to me appropriate to use 'doveadm move' command, but I can not get the right result. Can you help me? syntax: doveadm move [-u |-A] [-S ] [user ] my attempts: doveadm move -u user2@domain.com DIRECTORY_2 mailbox [email protected]:'DIRECTORY_1' all return: Error: Syncing mailbox [email protected]:DOSSIER_1 failed: Mailbox doesn't exist: [email protected]:DOSSIER_1 doveadm -u user2@domain.com DIRECTORY_2 mailbox sdbox:/complete/path/[email protected]/mailboxes/DIRECTORY_1 all return: Error: Syncing mailbox sdbox:/complete/path/[email protected]/mailboxes/DIRECTORY_1 failed: Mailbox doesn't exist: sdbox:/complete/path/[email protected]/mailboxes/DIRECTORY_1 doveadm move -u user2@domain.com DIRECTORY_2 mailbox user1@domain.com 'DIRECTORY_2' all return: Fatal: Unknown argument DIRECTORY_2 some details: directory exists the following command works (in case 'DIRECTORY_1' and 'DIRECTORY_2' are in the user1@domain.com user): doveadm move -u user1@domain.com DIRECTORY_2 mailbox 'DIRECTORY_1' ALL my problem is that I can not put another user destination

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• Apache2 name based virtual host always redirect 301

  - by Francesco

  I've got a server (runnging Debian Squeeze) with Apache 2.2, there are 4 site running there. I'm using namebased virtulhosts because I've got a single IP. Initial configuration has been made with Webmin and probably something has been messed up.. firstdomain.com is my default domain and is working correctly, seconddomain.com is another site that is working. Now I want to add lastdomain.tk as a new site, so I've made this config file: root@webamp:/etc/apache2# cat sites-available/lastdomain.tk.conf <VirtualHost *:80> DocumentRoot /home/server/Condivisione/RAID/lastdomain.tk ServerName www.alazanes.tk ServerAlias alazanes.tk </VirtualHost> I've added it to enabled-sites and restarted apache. The problem is that if I go to lastdomain.tk (or www.lastdomain.tk) I'm redirected to firstdomain.com with a 301 redirect. Both lastdomain.tk and www.lastdomain.tk are A DNS records pointing to my IP address. Strange thing is that if a change DocumentRoot of lastdomain.tk to DocumentRoot /home/server/Condivisione/RAID/Sito_SecondDomain I correctly see seconddomain.com content without being redirected (lastdomain.tk is showed on address bar) These are the other configurations I'm using. root@webamp:/root# source /etc/apache2/envvars ; /usr/sbin/apache2 -S VirtualHost configuration: wildcard NameVirtualHosts and _default_ servers: *:443 webamp.firstdomain.com (/etc/apache2/sites-enabled/ssl.bbteam:1) *:80 is a NameVirtualHost default server firstdomain.com (/etc/apache2/sites-enabled/000-default:7) port 80 namevhost firstdomain.com (/etc/apache2/sites-enabled/000-default:7) port 80 namevhost www.lastdomain.tk (/etc/apache2/sites-enabled/lastdomain.tk.conf:1) ## other domains ## port 80 namevhost seconddomain.com (/etc/apache2/sites-enabled/seconddomain.com.conf:1) Syntax OK Content of default config file is root@webamp:/etc/apache2# cat sites-available/default <VirtualHost *:80> ServerAdmin francesco@firstdomain.com ServerName firstdomain.com ServerAlias www.firstdomain.com direct.firstdomain.com DocumentRoot /home/server/Condivisione/RAID/Sito_Web_Apache_su_80 ErrorLog /var/log/apache2/error.log LogLevel warn CustomLog /var/log/apache2/access.log combined </VirtualHost> content of second domain config file is root@webamp:/etc/apache2# cat sites-available/seconddomain.com.conf <VirtualHost *:80> DocumentRoot /home/server/Condivisione/RAID/Sito_SecondDomain ServerName seconddomain.com ServerAlias www.seconddomain.com direct.seconddomain.com #redirect 301 / http://www.seconddomain.com/ <Directory "/home/server/Condivisione/RAID/Sito_SecondDomain"> allow from all Options +Indexes </Directory> </VirtualHost> Probably a file permission problem? root@webamp:/root# ls -lh /home/server/Condivisione/RAID/ total 7.1M drwxrwxr-x 15 www-data server 4.0K Jun 5 13:29 Sito_SecondDomain drwxrwxrwx 23 server server 4.0K Jun 7 16:22 Sito_Web_Apache_su_80 drwxrwxr-x 17 www-data server 4.0K Jun 8 09:56 alazanes.tk Do someone have an idea of what is happening? Thanks, Francesco

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• GMail suspects confirmation email in stealing personal information

  - by Dennis Gorelik

  When user registers on my web site, web site sends user email confirmation link. Subject: Please confirm your email address Body:Please open this link in your browser to confirm your email address: http://www.postjobfree.com/a/c301718062444f96ba0e358ea833c9b3 This link will expire on: 6/9/2012 8:04:07 PM EST. If my web site sends that email to GMaill (either @gmail.com or another domain that's handled by Google Apps) and that user never emailed to email -- then GMail not only puts the email to spam folder, but also adds prominent red warning:Be careful with this message. Similar messages were used to steal people's personal information. Unless you trust the sender, don't click links or reply with personal information. Learn more That warning really scares many of my users, so they are afraid to open that link and confirm their email. What can I do about it? Ideally I would like that message end up in user's inbox, not spam folder. But at least how do I prevent that scary message? IP address of my mailing server is not blacklisted: http://www.mxtoolbox.com/SuperTool.aspx?action=blacklist%3a208.43.198.72 I use SPF and DKIM signature. Below is the email that ended up in spam folder with that scary red message. Delivered-To: 1@dennisgorelik.com Received: by 10.112.84.98 with SMTP id x2csp36568lby; Fri, 8 Jun 2012 17:04:15 -0700 (PDT) Received: by 10.60.25.6 with SMTP id y6mr9110318oef.42.1339200255375; Fri, 08 Jun 2012 17:04:15 -0700 (PDT) Return-Path: Received: from smtp.postjobfree.com (smtp.postjobfree.com. [208.43.198.72]) by mx.google.com with ESMTP id v8si6058193oev.44.2012.06.08.17.04.14; Fri, 08 Jun 2012 17:04:15 -0700 (PDT) Received-SPF: pass (google.com: domain of noreply@postjobfree.com designates 208.43.198.72 as permitted sender) client-ip=208.43.198.72; Authentication-Results: mx.google.com; spf=pass (google.com: domain of noreply@postjobfree.com designates 208.43.198.72 as permitted sender) [email protected]; dkim=pass header.i=@postjobfree.com DomainKey-Signature: a=rsa-sha1; c=nofws; q=dns; d=postjobfree.com; s=postjobfree.com; h= received:message-id:mime-version:from:to:date:subject:content-type; b=TCip/3hP1WWViWB1cdAzMFPjyi/aUKXQbuSTVpEO7qr8x3WdMFhJCqZciA69S0HB4 Koatk2cQQ3fOilr4ledCgZYemLSJgwa/ZRhObnqgPHAglkBy8/RAwkrwaE0GjLKup 0XI6G2wPlh+ReR+inkMwhCPHFInmvrh4evlBx/VlA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=postjobfree.com; s=postjobfree.com; h=content-type:subject:date:to:from:mime-version:message-id; bh=N59EIgRECIlAnd41LY4HY/OFI+v1p7t5M9yP+3FsKXY=; b=J3/BdZmpjzP4I6GA4ntmi4REu5PpOcmyzEL+6i7y7LaTR8tuc2h7fdW4HaMPlB7za Lj4NJPed61ErumO66eG4urd1UfyaRDtszWeuIbcIUqzwYpnMZ8ytaj8DPcWPE3JYj oKhcYyiVbgiFjLujib3/2k2PqDIrNutRH9Ln7puz4= Received: from sv3035 (sv3035 [208.43.198.72]) by smtp.postjobfree.com with SMTP; Fri, 8 Jun 2012 20:04:07 -0400 Message-ID: MIME-Version: 1.0 From: "PostJobFree Notification" To: 1@dennisgorelik.com Date: 8 Jun 2012 20:04:07 -0400 Subject: Please confirm your email address Content-Type: multipart/alternative; boundary=--boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08 ----boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Please open this link in your browser to confirm your email addre= ss: =0D=0Ahttp://www.postjobfree.com/a/c301718062444f96ba0e358ea8= 33c9b3 =0D=0AThis link will expire on: 6/9/2012 8:04:07 PM EST. =0D=0A ----boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: base64 PGh0bWw+PGhlYWQ+PG1ldGEgaHR0cC1lcXVpdj1Db250ZW50LVR5cGUgY29udGVu dD0idGV4dC9odG1sOyBjaGFyc2V0PXV0Zi04Ij48L2hlYWQ+DQo8Ym9keT48ZGl2 Pg0KUGxlYXNlIG9wZW4gdGhpcyBsaW5rIGluIHlvdXIgYnJvd3NlciB0byBjb25m aXJtIHlvdXIgZW1haWwgYWRkcmVzczo8YnIgLz48YSBocmVmPSJodHRwOi8vd3d3 LnBvc3Rqb2JmcmVlLmNvbS9hL2MzMDE3MTgwNjI0NDRmOTZiYTBlMzU4ZWE4MzNj OWIzIj5odHRwOi8vd3d3LnBvc3Rqb2JmcmVlLmNvbS9hL2MzMDE3MTgwNjI0NDRm OTZiYTBlMzU4ZWE4MzNjOWIzPC9hPjxiciAvPlRoaXMgbGluayB3aWxsIGV4cGly ZSBvbjogNi85LzIwMTIgODowNDowNyBQTSBFU1QuPGJyIC8+DQo8L2Rpdj48L2Jv ZHk+PC9odG1sPg== ----boundary_107_ffa6a9ea-01dc-40f5-a50c-4c3b3d113f08--

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• Kerberos & signle-sign-on for website

  - by Dylan Klomparens

  I have a website running on a Linux computer using Apache. I've employed mod_auth_kerb for single-sign-on Kerberos authentication against a Windows Active Directory server. In order for Kerberos to work correctly, I've created a service account in Active Directory called dummy. I've generated a keytab for the Linux web server using ktpass.exe on the Windows AD server using this command: ktpass /out C:\krb5.keytab /princ HTTP/[email protected].COM /mapuser [email protected].COM /crypto RC4-HMAC-NT /ptype KRB5_NT_PRINCIPAL /pass xxxxxxxxx I can successfully get a ticket from the Linux web server using this command: kinit -k -t /path/to/keytab HTTP/[email protected].COM ... and view the ticket with klist. I have also configured my web server with these Kerberos properties: <Directory /> AuthType Kerberos AuthName "Example.com Kerberos domain" KrbMethodK5Passwd Off KrbAuthRealms EXAMPLE.COM KrbServiceName HTTP/[email protected].COM Krb5KeyTab /path/to/keytab Require valid-user SSLRequireSSL <Files wsgi.py> Order deny,allow Allow from all </Files> </Directory> However, when I attempt to log in to the website (from another Desktop with username 'Jeff') my Kerberos credentials are not automatically accepted by the web server. It should grant me access immediately after that, but it does not. The only information I get from the mod_auth_kerb logs is: kerb_authenticate_user entered with user (NULL) and auth_type Kerberos However, more information is revealed when I change the mod_auth_kerb setting KrbMethodK5Passwd to On: [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(1939): [client xxx.xxx.xxx.xxx] kerb_authenticate_user entered with user (NULL) and auth_type Kerberos [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(1031): [client xxx.xxx.xxx.xxx] Using HTTP/[email protected].COM as server principal for password verification [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(735): [client xxx.xxx.xxx.xxx] Trying to get TGT for user [email protected].COM [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(645): [client xxx.xxx.xxx.xxx] Trying to verify authenticity of KDC using principal HTTP/[email protected].COM [Fri Oct 18 17:26:44 2013] [debug] src/mod_auth_kerb.c(1110): [client xxx.xxx.xxx.xxx] kerb_authenticate_user_krb5pwd ret=0 [email protected].COM authtype=Basic What am I missing? I've studied a lot of online tutorials and cannot find a reason why the Kerberos credentials are not allowing access.

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• I can't send email from my server to gmail addresses

  - by brianegge

  I'm using postfix, and have setup spf, dkim, and domainkeys. I can get my email to go to Yahoo, but not gmail. Here's the headers from an email send to Yahoo. Yahoo reports the email as domain key verified. X-Apparently-To: brianegge at yahoo.com via 68.142.206.167; Sat, 20 Mar 2010 05:29:19 -0700 Return-Path: <domains at theeggeadventure.com> X-YahooFilteredBulk: 67.207.137.114 X-YMailISG: x7_Rl9EWLDuugoqPcORhih0FeQMOaIIpz4qfuu9ttx1xbo3uKI2kz.CLUy2cJ1BTtHAwuJtrsGRsveHIx.Dx95avNGlPPGWy_cSpnEwWLXGxBciO.YgtSQxdURQiWLCLvbHej0QPjQIHFjAFjdeGhJd2Y8NgTW1wcExq45Sb7LMlOGvtGMjSQuc8QazwXUxpZrQbIxgSQUTmzQO1x30xaZ2Us6TQTab7Wpya6OgAX.emKOM3phfS5kfhYj9FLQ.qi32sFNWnAoFdVK596OTP2F63PAJOVM5qPsM2jIAbJylIBmnj94LO7hOVr3KOS6XLtCPRn2Oe X-Originating-IP: [67.207.137.114] Authentication-Results: mta1055.mail.mud.yahoo.com from=theeggeadventure.com; domainkeys=pass (ok); from=theeggeadventure.com; dkim=pass (ok) Received: from 127.0.0.1 (EHLO mail.theeggeadventure.com) (67.207.137.114) by mta1055.mail.mud.yahoo.com with SMTP; Sat, 20 Mar 2010 05:29:19 -0700 Received: by mail.theeggeadventure.com (Postfix, from userid 1003) id BB5B01C16A4; Sat, 20 Mar 2010 12:29:16 +0000 (UTC) DomainKey-Signature: a=rsa-sha1; s=2010; d=theeggeadventure.com; c=simple; q=dns; b=JHbK9VhqyQTfpQFqaXxJrKpEG9h9H0IZ0LdWoBooJEA7hv3SYWmFUtyE247EuwoaG gzApKJ1DuRhwESZ7PswrbzuaUL8poAUO8LmMvZ+OqnDolgNSJUYWu0FcO+fe3H4m9ZD grkj0xMpHw+uFjXV4plKO+sa8olJXJAmP+9cMEo= X-DKIM: Sendmail DKIM Filter v2.8.2 mail.theeggeadventure.com BB5B01C16A4 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=theeggeadventure.com; s=2010; t=1269088156; bh=bUlMldcnzFCmCmNT8qjpRl6fiY1YyjiZiC9jhCXASOw=; h=Subject:To:Message-Id:Date:From; b=EVNolTlh4Gch5/HIrrHaRQvcApl7wkB42gB44NsPcLZD2QrhuOvnhanhnEB4UbV0e A+3dAOjhX7LKzgGrn11jXNTiEjNX1vQDsX3HyG0fNra73aWiGTzr1nHJfnuEJ7Ph0j 5tp0HRL5jjikD1XJcvmsYzTpT22mxuz60HXYRB1s= Subject: cron To: <brianegge at yahoo.com> X-Mailer: mail (GNU Mailutils 1.2) Message-Id: <[email protected]> Date: Sat, 20 Mar 2010 12:29:16 +0000 (UTC) From: This sender is DomainKeys verified domains@theeggeadventure.com (domains) View contact details Content-Length: 818 When I send to gmail, I see the following in my server log, but the message doesn't even reach my spam folder. Mar 20 12:59:12 Everest postfix/pickup[27802]: C81C61C16A4: uid=1000 from=<egge> Mar 20 12:59:12 Everest postfix/cleanup[27847]: C81C61C16A4: message-id=<[email protected]> Mar 20 12:59:13 Everest postfix/qmgr[27801]: C81C61C16A4: from=<[email protected]>, size=2784, nrcpt=1 (queue active) Mar 20 12:59:14 Everest postfix/smtp[27849]: C81C61C16A4: to=<brianegge at gmail.com>, relay=gmail-smtp-in.l.google.com[209.85.223.24]:25, delay=2.1, delays=0.39/0.28/0.13/1.3, dsn=2.0.0, status=sent (250 2.0.0 OK 1269089954 32si4566750iwn.51) Mar 20 12:59:14 Everest postfix/qmgr[27801]: C81C61C16A4: removed I've send to email to test services, and the report everything verifies ok. I've also checked all the RBL lists, and I'm not on any of them.

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• Huge performance difference between two web servers, odd behavior seen using process monitor

  - by Francis Gagnon

  We have two Coldfusion servers that have a huge performance difference running the exact same code on the exact same input data. The code in questions instantiates a large amount of CFCs (Coldfusion Components, which are similar to objects in OOP languages). I compared the two servers by running Process Monitor and then calling the problematic code on both machines. I learned two things. First, Coldfusion opens CFC files every time it instantiates an object. Both servers do this, so it cannot be the cause of the performance difference. Second, the fast server opens the CFC files directly while the server with the performance problem seems to navigate its way through the path until it reaches the desired CFC file. It does this for every file, even the ones it has previously loaded, and because the code instantiates so many CFCs it becomes very slow. See below the partial Promon traces that show this behavior. It can take over 60 seconds for the slow server to do what the fast one does in 2 seconds. Can anyone tell me what causes this behavior? Is it a Coldfusion setting? Since Coldfusion runs on top of Java, is it a Java setting? Is it an OS option? The fast server is running Windows XP and I think the slow server is a Windows Server 2003. Bonus question: Coldfusion doesn't seem to perform any READ FILE operations on any of the CFC or CFM files. How can this be? Sample of the fast server opening CFC files: 11:25:14.5588975 jrun.exe QueryOpen C:\CF\wwwroot\APP\com\HtmlUtils.cfc 11:25:14.5592758 jrun.exe CreateFile C:\CF\wwwroot\APP\com\HtmlUtils.cfc 11:25:14.5595024 jrun.exe QueryBasicInformationFile C:\CF\wwwroot\APP\com\HtmlUtils.cfc 11:25:14.5595940 jrun.exe CloseFile C:\CF\wwwroot\APP\com\HtmlUtils.cfc 11:25:14.5599628 jrun.exe CreateFile C:\CF\wwwroot\APP\com\HtmlUtils.cfc 11:25:14.5601600 jrun.exe QueryBasicInformationFile C:\CF\wwwroot\APP\com\HtmlUtils.cfc 11:25:14.5602463 jrun.exe CloseFile C:\CF\wwwroot\APP\com\HtmlUtils.cfc Equivalent sample of the slow server opening CFC files: 11:15:08.1249230 jrun.exe CreateFile D:\ 11:15:08.1250100 jrun.exe QueryDirectory D:\org 11:15:08.1252852 jrun.exe CloseFile D:\ 11:15:08.1259670 jrun.exe CreateFile D:\org 11:15:08.1260319 jrun.exe QueryDirectory D:\org\cli 11:15:08.1260769 jrun.exe CloseFile D:\org 11:15:08.1269451 jrun.exe CreateFile D:\org\cli 11:15:08.1270613 jrun.exe QueryDirectory D:\org\cli\cpn 11:15:08.1271140 jrun.exe CloseFile D:\org\cli 11:15:08.1279312 jrun.exe CreateFile D:\org\cli\cpn 11:15:08.1280086 jrun.exe QueryDirectory D:\org\cli\cpn\APP 11:15:08.1280789 jrun.exe CloseFile D:\org\cli\cpn 11:15:08.1291034 jrun.exe CreateFile D:\org\cli\cpn\APP 11:15:08.1291709 jrun.exe QueryDirectory D:\org\cli\cpn\APP\com 11:15:08.1292224 jrun.exe CloseFile D:\org\cli\cpn\APP 11:15:08.1300568 jrun.exe CreateFile D:\org\cli\cpn\APP\com 11:15:08.1301321 jrun.exe QueryDirectory D:\org\cli\cpn\APP\com\HtmlUtils.cfc 11:15:08.1301843 jrun.exe CloseFile D:\org\cli\cpn\APP\com 11:15:08.1312049 jrun.exe CreateFile D:\org\cli\cpn\APP\com\HtmlUtils.cfc 11:15:08.1314409 jrun.exe QueryBasicInformationFile D:\org\cli\cpn\APP\com\HtmlUtils.cfc 11:15:08.1314633 jrun.exe CloseFile D:\org\cli\cpn\APP\com\HtmlUtils.cfc 11:15:08.1315881 jrun.exe CreateFile D:\ 11:15:08.1316379 jrun.exe QueryDirectory D:\org 11:15:08.1316926 jrun.exe CloseFile D:\ 11:15:08.1330951 jrun.exe CreateFile D:\org 11:15:08.1338656 jrun.exe QueryDirectory D:\org\cli 11:15:08.1339118 jrun.exe CloseFile D:\org 11:15:08.1526468 jrun.exe CreateFile D:\org\cli 11:15:08.1527295 jrun.exe QueryDirectory D:\org\cli\cpn 11:15:08.1527989 jrun.exe CloseFile D:\org\cli 11:15:08.1531977 jrun.exe CreateFile D:\org\cli\cpn 11:15:08.1532589 jrun.exe QueryDirectory D:\org\cli\cpn\APP 11:15:08.1533575 jrun.exe CloseFile D:\org\cli\cpn 11:15:08.1538457 jrun.exe CreateFile D:\org\cli\cpn\APP 11:15:08.1539083 jrun.exe QueryDirectory D:\org\cli\cpn\APP\com 11:15:08.1539553 jrun.exe CloseFile D:\org\cli\cpn\APP 11:15:08.1544126 jrun.exe CreateFile D:\org\cli\cpn\APP\com 11:15:08.1544980 jrun.exe QueryDirectory D:\org\cli\cpn\APP\com\HtmlUtils.cfc 11:15:08.1545482 jrun.exe CloseFile D:\org\cli\cpn\APP\com 11:15:08.1551034 jrun.exe CreateFile D:\org\cli\cpn\APP\com\HtmlUtils.cfc 11:15:08.1552878 jrun.exe QueryBasicInformationFile D:\org\cli\cpn\APP\com\HtmlUtils.cfc 11:15:08.1553044 jrun.exe CloseFile D:\org\cli\cpn\APP\com\HtmlUtils.cfc Thanks

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• HA for Resque & Redis

  - by Chris Go

  Trying to avoid SPOFs for Resque and Redis. Ultimately the client is going to be PHP via (https://github.com/chrisboulton/php-resque). After going through and finding some workable HA for nginx+php-fpm and MySQL (mysql master-master setup as a way to simply master-slave promotion), next up is Resque+Redis. Standard install of Resque uses localhost Redis (at DigitalOcean). I am heavily depending on Amazon Route 53 DNS failover to try to solve this. resque1.domain.com points to localhost redis (redis1.domain.com) = same server resque2.domain.com points to localhost redis (redis2.domain.com) = same server Do resque.domain.com with FAILOVER resque1 as primary and resque2 as secondary. What this means is that most of the time (99%), resque1 should be getting hit with resque2 as just a hot backup. This lets me just have to get 2 servers and makes sure that any hits to resque.domain.com goes somewhere The other way to do this is to break out resque and redis into 4 servers and do it as follows resque1.domain.com - redis.domain.com resque2.domain.com - redis.domain.com redis1.domain.com redis2.domain.com Then setup DNS Failover resque.domain.com - primary: resque1 and secondary: resque2 redis.domain.com - primary: redis1 and secondary: redis2 I'd like to get away for 2 servers if I can but is this 2nd setup much better or negligible? Thanks, Chris

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• 301 redirect Rule For Load Balance F5 BigIp

  - by Kshah

  I have a load balancer F5 Big ip for my website. Currently, I am having 302 redirect in place; however, I wanted to apply 301 but dont know how. For example: My website (abc.com) when typed 302 redirects to abc.com/index and when typed www.abc.com 302 redirects www.abc.com/index. I wanted to have a rule which will help me in abc.com - 301 redirect - www.abc.com/index abc.com/index - 301 redirect - www.abc.com/index www.abc.com - 301 redirect - www.abc.com/index Below is the code that my tech person is trying: Redirect to WWW when HTTP_REQUEST { if { [HTTP::host] equals "abc.com" or [HTTP::host] equals "abc.co.in" or [HTTP::host] equals "www.abc.co.in" } { if {!( [HTTP::path] equals "/")} { HTTP::respond 301 Location "http://www.abc.com[HTTP::path]" } } } Redirect POST when HTTP_REQUEST { if { [HTTP::method] equals "POST" } { persist source_addr pool shop_shop_vr4_http } } Redirect-VR4 HOMEPAGE when HTTP_REQUEST { if { [HTTP::path] equals "/" or [HTTP::path] starts_with "/target/" or [HTTP::path] starts_with "/logs/" or [HTTP::path] starts_with "/config/" } { HTTP::redirect "http://[HTTP::host]/index.jsp.vr" } }

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• .htaccess - redirect non www to www and retain subdomains from redirecting

  - by RhymeGuy

  So, on my main domain 'domain.com' I created several subdomains from cPanel, like 'sub1.domain.com' and 'sub2.domain.com'. Their real location on server is in 'domain.com/sub1' and 'domain.com/sub2'. Now, I want to redirect non www to www with .htaccess and this is what currently what i have: <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{HTTP_HOST} !^www\.domain\.com [NC] RewriteRule ^(.*) http://www.domain.com/$1 [L,R=301] </IfModule> This works. When somebody enter domain.com it will be redirected to www.domain.com. However when somebody enter sub1.domain.com, he will be redirected to www.domain.com/sub1 - which I don't want, it needs to be in sub1.domain.com. What shall I add in .htaccess file to accomplish this?

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• haproxy: Is there a way to group acls for greater efficiency?

  - by user41356

  I have some logic in a frontend that routes to different backends based on both the host and the url. Logically it looks like this: if hdr(host) ends with 'a.domain.com': if url starts with '/dir1/': use backend domain.com/dir1/ elif url starts with '/dir2/': use backend domain.com/dir2/ # ... else if ladder repeats on different dirs elif hdr(host) ends with 'b.domain.com': # another else if ladder exactly the same as above # ... # ... else if ladder repeats like this on different domains Is there a way to group acls to avoid having to repeatedly check the domain acl? Obviously there needs to be a use backend statement for each possibility, but I don't want to have to check the domain over and over because it's very inefficient. In other words, I want to avoid this: use backend domain.com/url1/ if acl-domain.com and acl-url1 use backend domain.com/url2/ if acl-domain.com and acl-url2 use backend domain.com/url3/ if acl-domain.com and acl-url3 # tons more possibilities below because it has to keep checking acl-domain.com. This is particularly an issue because I have specific rules for subdomains such as a.domain.com and b.domain.com, but I want to fall back on the most common case of *.domain.com. That means every single rule that uses a specific subdomain must be checked prior to *.domain.com which makes it even more inefficient for the common case.

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