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Changing the default error text in the Rails reCAPTCHA plugin July 15, 2009

Posted by John Dewey in Configuration, Example, Plugins & Gems, Rails.
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I couldn’t find information on changing the default “Captcha response is incorrect, please try again.” text returned by the reCAPTCHA Rails plugin.

This gist uses Rails 2.2’s internationalization (I18n) to change the message.

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using geminstaller with vlad the deployer February 28, 2009

Posted by John Dewey in Configuration, Deployment, Example, Rake, Vlad.
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I really really really like vlad the deployer. I recently switched my apps over to geminstaller vs Rails’ config.gem.

This gist adds in geminstaller functionality to vlad’s update task.

chef-solo VPS provisioning February 21, 2009

Posted by John Dewey in Apache, Automation, Chef, Code, Configuration.
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I probably built a naive chef solo configuration. I also know I could have used one of the many “Ready Stack” solutions VPS providers are creating. However, I like my systems setup a particular way.

Take a peek the configuration is pretty cool. The code is on github.

Ideally chef would have built my system from the ground up, installing ruby, libs, etc… Since I do not control this piece, there are a few prerequisites to setting up chef.

Once complete, drop in your virtualhost, and deploy your code. This is not intended as zero-conf. Merely a standard base configuration for all of my hosts.

Rails log rotations via rsyslog December 25, 2008

Posted by John Dewey in Code, Configuration, Deployment, Example, Rails.
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I have a client that logs their rails logs via syslog, for consumption by pl_analyze. I am not a fan of this, and will probably change it at some point. When using Apache, I’ll typically configure rails to use a rotatelogs pipe.

However, in this case, to avoid changing legacy infrastructure around the logs, I setup rsyslog to do the rotations for me. Hopefully this will be useful to someone else.

This assumes your rails app already logs to syslog.

Added the following to /etc/rsyslog.conf.

daemon_controller memcached configuration September 4, 2008

Posted by John Dewey in Configuration, Deployment, Memcached, Plugins & Gems, Rails, Ruby.
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The Phusion guys created a sweeet library (daemon_controller) to control servers or daemons. I created a daemon_memcache class which controls memcached.

Memcached can be controlled programatically by:

DaemonMemcache.instance.start
DaemonMemcache.instance.running?
DaemonMemcache.instance.stop

Will show you how to utilize this class to start/stop Memcached via ‘script/server’ in a follow-up post.

multi-port memcache init script August 16, 2008

Posted by John Dewey in Code, Configuration, Memcached.
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We use memcached quite a bit, and deploy it as a farm of many processes across many systems. I wanted to share a memcached multi-port init script. See the README for usage. Script is based off “The Commando Pattern“, and could use some reworking (especially around the port definition area).

Disable mongrel mod_proxy_balancer workers via Capistrano August 15, 2008

Posted by John Dewey in Capistrano, Configuration, Deployment, Mongrel, Rails, WebServers.
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I created a Capistrano task for disabling workers inside a given balancer, from Daniel Wharton’s Deploying Rails post.

Here’s the pastie. BTW I really hate linking off to pastie for these things. Any suggestions?

The task disables the worker, and is not specific to Mongrel.

Rails Cron — Craken July 18, 2008

Posted by John Dewey in Capistrano, Code, Command Line, Configuration, Rails, Rake, Ruby.
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My good buddy Doug Mciness wrote a rake task to manage and install cronjobs. We have it hooked into our Capistrano deployments, which allows for uber simple cron management. I added a few modifications such as, erb’ed raketab templates, and global/system specific crontabs.

It’s up on GitHubhttp://github.com/latimes/craken/tree/master

In the process of determining if these rakefiles should be yaml instead, would probably be the “more railsy rails way” of doing it.

Giles Bowkett gets props for the groovy name, and improved SEO of this post!

Multi-App Mongrel Cluster Init Script January 22, 2008

Posted by John Dewey in Capistrano, Configuration, Deployment, Mongrel, Rails.
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I found the mongrel_cluster.sh script, everyone uses — doesn’t quite cut it.   Especially, when a system may host several RoR applications.  Why, you ask?  The ability to easily control, and dynamically discover applications is missing.  In most cases, this doesn’t matter.  Especially when the applications are deployed with Capistrano, since it is leveraged for various tasks (including stop, starts, and restarts).

The SAs on the other hand, usually do not use Capistrano (they should!), or have a recent version of the app checked out.  Having a standard init script across all your applications and servers becomes useful.

You get bonus points for dynamically discovering new application installs.We can make certain assumptions in our environment.

We use Capistrano, apps run as the same user,  live under the same base directory, and link to common Subversion Rake tasks.  That enables the use of a generic Rake task to control all RoR applications. Furthermore, the Rake task can be wrapped by a system init script for use under /etc/init.d/.

Advanced Rails Recipes Contribution January 6, 2008

Posted by John Dewey in Capistrano, Configuration.
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Giles and I had our contributions selected for the upcoming Advanced Rais Recipes Book — pretty cool!