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When A Service Can't Commit To What It Is Selling
I’ve stumbled upon a service which promises your Twitter account to automatically grow enormously in terms of followers and make money on the way. It’s called TwitterTrafficMachine, and I am absolutely...
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Network Latency Inside And Across Amazon EC2 Availability Zones
I couldn’t find any info out there comparing network latency across EC2 Availability Zones and inside any single Availability Zone. So I took 6 instances (2 on each US zone), ran some test using a...
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Cross Domain AJAX Calls and Iframe Communication How To
I set out to write a short tutorial about cross domain ajax calls and communication between iframes using url hashes (fragments), but I found this great tutorial by Michael Mahemoff covering the...
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Detaching Infrastructure From Physical Hosts: Fantasy vs. Reality
Image via http://www.flickr.com/photos/martinlatter/ Cloud computing has brought along the promise of easy-to-scale-and-yet-affordable computer clusters. There are various clouds out there that provide...
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Google Chrome 2, CSS Content-Type and Amazon S3
It seems that ever since Google Chrome 2 was released, some of the CSS files I was serving from S3 were not being treated as valid by it, and the page layouts would break because of it. Firefox and IE...
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Apache mod_ssl Makes Your Clients Crawl Compared To Nginx SSL Module
The SSL/TLS process is a heavy one, it involves algorithm negotiation between client and server, key exchanges, cyphering, decyphering and authentication. But what’s surprising is, that the server...
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Cron Script To Snapshot Any Attached EBS Volume
If you would like to cron snapshots of any attached volume to an instance, you can use the following script. It uses the EC2 command line tools to see what volumes are currently attached to this...
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Improving WordPress Caching: Batcache and Redirects
There’s a great plugin for WordPress called Batcache by Andy Skelton, which uses memcached as the cache backend for object cache and full page caches. It’s a great piece of code, and using it is a must...
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The Paradox Of The Mail Server On The Cloud
Providing your web application with a mail service that works flawlessly is probably essential for your business. You need to send activation emails to users, password reset emails, newsletters and...
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ERROR 2026 (HY000): SSL connection error — The Solution
If you’re using mysql server with SSL, and ever encountered this error whenever you try to access the database after it’s running: ERROR 2026 (HY000): SSL connection error One thing to check is if your...
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