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  • DNS lookup fails when forwarding to subdomain

    - by Kitaro
    In order to migrate to a new mailserver with little dns problems/downtime, I have set up a second postfix that is currently accessible on a subdomain mx record, eg. the main postfix accepts mail for [email protected] while the second postfix also accepts mail for [email protected]. I added a forwarding rule to postfix saying that postfix should forward mail destined for [email protected] to [email protected] (for regular local delivery) and to [email protected]. Local delivery still works as expected, but when trying forward the mail to the new mx, postfix appeds the domain part at the end of the forwarding address, resulting in [email protected], which of course fails and the mail bounces. Why does postfix mess with the alias name in that way and how can I turn that of?

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  • How to connect to two VPN connections at the same time in Mac?

    - by Sallar Kaboli
    Hello, I have a problem with my vpn connections, my ISP requires me to connect to a private vpn server of it's own in order to connect to internet, im connected to main network via WiFi, but i also want to connect to another VPN network of my choice (to bypass internet limitation in my country of course), i am able to do that in Windows, but its not working in Mac OS X Snow Leopard second vpn connecion type is PPTP / CHAP How can i do that? as u see in the pic, both vpn's are connected, first one is for main internet which is working properly , second one is also connected but its not affecting anything. its just connected. http://www.freezpic.com/pics/a5231c3e80501a3c25430f43c1ef5856.png

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  • Chapter 3: Data-Tier Applications

    With the release of Microsoft SQL Server 2008 R2, the SQL Server Manageability team addressed these struggles by introducing support for data-tier applications to help streamline the deployment, management, and upgrade of database applications. A data tier application, also referred to as a DAC, is a single unit of deployment that contains all the elements used by an application, such as the database application schema, instance level objects, associated database objects, files and scripts, and even a manifest defining the organization’s deployment requirements.

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  • Will readyboost speed up a secondary partion or harddrive?

    - by Sebastian
    I'm building a new computer and plan on using a few spare USB sticks with readyboost to cache disk writes. I'll be running Windows 7 Enterprise SP1 x64 I have a single 2 TB disk, and plan to make a partition for windows (100 GB) and use the rest for data. I know Readyboost will work nicely for the C drive, but am unable to find any information on whether it will accelerate a second drive or partition. Just to clarify, I'm NOT trying to use the harddrive instead of the usb sticks. I'm trying to speed up the second partition using the USB sticks So, will readyboost work for a secondary partion or harddrive?

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  • A walkthrough to Application State

    This artcile discuss about the Application Level events,Application state with a simple example...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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  • Software Architecture 5 years later

    I got several interesting comments to “” (both here and on DZone). Some of them said I don’t get the architect “role”, some said I am looking at things from the code level and don’t see the forest for the trees, others said that this whole “agile” thing is crap (admittedly not in so many [...]...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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  • Creating video with audio and still image for YouTube

    - by scottlabs
    I'm running the following command: ffmpeg -i audio.mp3 -ar 44100 -f image2 -i logo.jpg -r 15 -b 1800 -s 640x480 foo.mov Which successfully outputs a video with my recorded audio and an image on it. When I try and upload this to YouTube it fails to process, regardless of the formats I try: .mov, .avi, .flv, .mp4 Is there some setting I'm missing in the above that would generate a format Youtube will accept? I've tried looking through the ffmpeg documentation but I'm in over my head. I did an experiment by putting a 2 second video with a 30 second mp3. When I uploaded to youtube, the resulting video was only 2 seconds long. So it may be that YouTube looks only to the video track for the length, and since a picture is only a frame long or whatever, maybe that borks it.

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  • Outsourced Search Engine Optimization Saves Your Business Time and Money

    Well, first of all, it's a good idea to realize that in-house employees are quite expensive to keep on the payroll-especially when it comes to expert level technical gurus-the kind of people that know SEO inside and out. Even though they still might help you make a profit through your search engine optimization efforts, just think of how much a year's worth of salary, benefits, and other additional employee costs will set you back here. The bottom line is it's just not cheap to have full-time SEO employees on staff.

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  • Where do all these Java technologies lead to? [on hold]

    - by user1502178
    For a new job, the HR gave me list of Java technologies to study: JSP/Servlet Ant, Maven Hibernate Spring Core, Spring MVC REST JMS Mongo, Cassandra Solr, Elastic Search I have never been a java guy, but I am ready to learn these, but I need to know where all these technologies lead to, are they worth doing? and how long will they approximately take if I have university level experience in programming and CS?

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  • TechEd 2010 Sessions on ASP.NET

    Join  us in New Orleans for your choice of 200- to 400-level ASP.NET sessions on using Microsoft SharePoint Server 2010, creating report subscriptions, deploying cohesive web service security and more.

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  • How can I redirect HTTP(S) traffic to another gateway?

    - by PsyStyle
    I have a network like 192.168.0.0/15 with the default gateway set to 192.168.0.1. All the workstations of the network use this gateway for all kind of accesses to the Internet. Now I am testing a new Internet connection with another provider and for that I'm using a second gateway on the same subnet with 192.168.0.2 as IP address. I want to redirect only HTTP and HTTPS traffic to this second gateway keeping untouched the address of the default gateway set inside every workstation. How can I accomplish this task? What I have to change inside the first's gateway firewall configuration or routes? I tried with a DNAT like: DNAT loc:192.168.0.1 loc:192.168.0.2 tcp 80 but nothing worked. I use Shorewall for simplicity in configuration but I can understand even theorical answers which I will try to adapt to my case.

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  • Selecting an Open Source Operating System

    <b>Network World:</b> "There's a large selection of free and open source (FOSS) operating systems available these days, and choosing the right one for any given circumstance can be quite a challenge. This article outlines the key factors you need to consider in order to pick the best operating system for your needs and experience level."

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  • How do I sync a subset of tables between two databases on the same mysql database server

    - by Mike
    would like to be able to sync a subset of tables between two mysql databases that are running on the same server. One of the databases acts as the master where inserts, updates and deletes can be made. The second database uses those same tables for read-only operations. I do not want to use federated tables to achieve this. The long term goal will be to separate the 2 databases to multiple servers, The second database that has the subset of tables as read-only may also be replicated a few times over to distribute geographically for load and performance purposes each with unqiue data.... Once that is achieved, I plan to use binlog to replicate those specific tables on the secondary databases. In the meantime, I'd like to keep these tables in sync. Is there a more elegant way to do this than other than using a cronjob and mysqldump?

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  • Database Activity Monitoring Part 1 - An Introduction

    We are inundated with new technologies and products designed to help make our organisations safe from hackers and other malcontents. One technology that has gained ground over the past few years is database activity monitoring. It makes sense to protect valuable databases, and by adding an intelligent monitor capable of sniffing out threats an additional level of protection can be gained. But what is database activity monitoring and why should you care?

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  • Speed up connection to MySQL

    - by Leonick
    So here's one for you. Any idea on a way to shorten the time it takes to connect to a MySQL database? The reason I'm wondering is because I find that just connecting to the DB adds just over a second to the rendering of the page and that seems a bit long considering Apache and MySQL is running on the same machine and the mysqli_connect is connecting to localhost. It's just such a shame when the connection takes a second while any query I end up doing won't add any significant amount of time to the render/load time. Any ways to shorten the time it takes to open a connection?

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  • CSS - A Vital Part of Contemporary Web Development Services

    Today, most of the developers like to work with style sheets as it brings to them a significant level of flexibility and easiness. From positioning of the main contents for easy indexing by web spiders to the better HTML codes, everything seems to work well and in favour of the developer's convenience.

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  • 5 Reasons Why Businesses Should Search Engine Optimize Their Sites

    Having gone through the web sites that have been search engine optimized, it can be seen that these web sites display a high level of consistency. It is remarkable because these websites do not only make you feel you are being taken care of but these web sites provide a great deal of offers to different people and they provide terms that would really suit the customer's wants and needs.

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  • The Benefits of Having Music Teacher Websites

    Music teacher websites are important - it has been more of a necessity than a luxury. It is a must that music teachers nowadays spend time, effort and resources in putting up their own music teacher websites. Investing into these innovations is a good practice as they tend to take their music teaching experiences to a much higher level - innovative, interactive, useful and productive.

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  • The Benefits of Having Music Teacher Websites

    Music teacher websites are important - it has been more of a necessity than a luxury. It is a must that music teachers nowadays spend time, effort and resources in putting up their own music teacher websites. Investing into these innovations is a good practice as they tend to take their music teaching experiences to a much higher level - innovative, interactive, useful and productive.

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