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10 Newer Entries Showing entries 31 to 40 of 42 2 Older Entries

Displaying posts with tag: Nginx (reset)

Enabling IPv6 Support in nginx
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This is going to be a really short post, but for someone it could save an hour of life.

So, you’ve nothing to do and you’ve decided to play around with IPv6 or maybe you’re happened to be an administrator of a web service that needs to support IPv6 connectivity and you need to make your nginx server work nicely with this protocol.

First thing you need to do is to enable IPv6 in nginx by recompiling it with --with-ipv6 configure option and reinstalling it. If you use some pre-built package, check if your nginx already has …

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Advanced Squid Caching in Scribd: Hardware + Software Used
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After the previous post in this caching related series I’ve received many questions on hardware and software configuration of our servers so in this post I’ll describe our server’s configs and the motivation behind those configs.

Hardware Configuration

Since in our setup Squid server uses one-process model (with an asynchronous requests processing) there was no point in ordering multi-core CPUs for our boxes and since we have a lots of pages on the site and the cache is pretty huge all the servers ended up being highly I/O …

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Advanced Squid Caching in Scribd: Logged In Users and Complex URLs Handling
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It’s been a while since I’ve posted my first post about the way we do document pages caching in Scribd and this approach has definitely proven to be really effective since then. In the second post of this series I’d like to explain how we handle our complex document URLs and logged in users in the caching architecture.

First of all, let’s take a look at a typical Scribd’s document URL: http://www.scribd.com/doc/1/Improved-Statistical-Test.

As we …

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Version 1.1.2 of improved Cacti templates released
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I’ve packaged up and released version 1.1.2 of the Cacti templates I’ve written for MySQL, Apache, memcached, nginx etc.

Anyone who would like to help write documentation (or do anything else, for that matter) is welcomed to participate. I’ll give commit access at the drop of a hat.

Changelog:

2009-05-07: version 1.1.2

        * The parsing code did not handle InnoDB plugin / XtraDB (issue 52).
        * The servername was hardcoded in ss_get_by_ssh.php (issue 57).
        * Added Handler_ graphs (issue 47).
        * Config files can be …
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Secure, easy Cacti graphing without SNMP
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Cacti is a great tool for collecting information about systems and graphing it. However, it likes to use SNMP, and SNMP is often not desirable. Instead, I often see the need for a method that is:

  • Secure. Use trusted, well-known, encrypted communication. Do not open up new ports.
  • Zero install on the monitored system.
  • As little installation or modification on the monitoring system as possible.

Over the last several years, I’ve slowly created more and more software to create Cacti graphs via standard POSIX command-line utilities over SSH with …

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Lighttpd Book from Packt – Great Thanksgiving Present
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Many people know me as a nginx web server evangelist. But as (IMHO) any professional I think that it is really rewarding to know as much as possible about all the tools available on the market so every time you need to make a decision on some technical issue, you’d consider all pros and cons based on my own knowledge.

This is why when I received an email from Packt company asking if I’d like to read and review their book on Lighttpd I decided to give it a shot (I usually do not review any books because I do not always have enough time …

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Using Nginx, SSI and Memcache to Make Your Web Applications Faster
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If you’d take a look at any web site, you will notice, that almost all of the pages on this given site are pretty static in their nature. Or course, this site could have some dynamic elements like login field or link in the header, some customized menu elements and some other things… But entire page could be considered static in many cases.

When I started thinking about my sites from this point of view, I understood, how great it would be to be able to cache entire page somewhere (in memcache for example) and be able to send it to the user without any requests to my applications, which are pretty slow (comparing to …

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Best Tech Videos 2.0 has been released!
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So, we did it! New Best Tech Videos site version has been released today. Of course, it could have some issues, and we are really looking forward for your feedback on our support forums.

Let’s review main improvements we’ve made here:

  • First of all, I want to mention our first step to socialization of the BTV - all our users could signup now and get their own lists of favorited, commented and voted videos and much more - they could have their own personal RSS feeds.
  • Next cool thing we’ve prepared …
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SOS!
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This blog turned 1 year old last month and I think all of my readers were glad to read it. I’ve never asked for help and I offered help to people who needed it. But today I’m forced to ask my readers for help because it is the first time in my long practice when I really don’t know how to solve my problem.

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Using X-Accel-Redirect Header With Nginx to Implement Controlled Downloads (with rails and php examples)
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Sometimes you may need to implement controlled downloads when all downloads requests being sent to your script and then this script decides what to do: to send some file to the user or to show some access denied page or, maybe, do something else. In lighttpd server it can be done by returning X-Sendfile header from script. Nginx have its own implementation of such idea using X-Accel-Redirect header. In this short post I will try to describe how to use this feature from PHP and Rails applications.

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10 Newer Entries Showing entries 31 to 40 of 42 2 Older Entries

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