Archive | January, 2009

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Seagull 0.6.6 Released

Posted on 27 January 2009 by Demian Turner

A new version of the Seagull framework has been released, download it here.

This is mostly a bugfix release but with some important improvements:

  • Improved preferences management
  • Better handling when DB connection is down
  • Updated FCKeditor to 2.6.3
  • Added German utf-8 support
  • Updated Horde_Routes lib
  • Consolidated translation features (SGL_Translation, SGL_Translation2) into new SGL_Translation3 PHP5 only package
  • Added media2 module which makes ajax uploads easier and provides media features to the CMS module

The Seagull framework release coincides with a new release of the CMS module, and an announcement of Doris, our new productivity app.  You can read the announcement here if you’re not on the mailing list.

This will be the last release of the CMS module as a mainly developer-focused download.  Version 2.0 of CMS will get its own website, improved developer and enduser documentation, and a Pay as You Go format for those who need the convenience of a hosted service.  Read more about the improvements and try the preview here.

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Error Message Control

Posted on 06 January 2009 by Demian Turner

Technorati error messages

I’m always amazed to discover quite high profile sites letting goofy errors out in the open.

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Unit tests, new packages, good practice

Posted on 06 January 2009 by Demian Turner

In case anyone missed it quite a nice PEPr proposal came in the other day, suggesting guidelines for software best practices and writing testable code.

Check out the original article too, it’s slightly better formatted.

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Aaaaaaaaaaaargh SELinux!

Posted on 06 January 2009 by Demian Turner

When it comes to installing Trac it’s not something I usually worry about, I must have installed it from version 0.9 to the latest around 20 times and on at least most of the flavours of linux, OS X and recently Windows.  It used to be tough to setup but the package has been great improved over the years.

And what great software, by the way, I can’t say enough good things about Trac, I’ve been running all my projects on it for around the last 4 years.

But I recently got a new dedicated box, running Fedora Core 9 32 bit, and I’ve already installed Trac twice on this OS, it’s one of the smoothest platform/software combos.  However something went wrong, with the app complaining about requiring root permissions to write to the DB file.  Considering I setup Trac to run with the mod_python module in Apache, this seemed a little strange.  Stranger still was that Google returned absolutely ZERO results for the error message I was getting:

The user root requires read _and_ write permission to the database file 

The log file set to DEBUG also failed to shed any light.  I tried giving root every possible permission to the DB file and its parent folder but the above error persisted.

After banging my head against the wall it struck me that maybe my new web hoster enabled SELinux by default, something I always take special precautions to disable  right off the bat, having struggled with it in the past.

A prompt reply from RapidSwitch revealed that it was in fact enabled, and it was a quick job to disable it.

You can check the status of SELinux in the configuration file as follows:

/etc/sysconfig/selinux

You can then disable or enable it by editing this file.  The contents of the file looks like this on Fedora:

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#       enforcing - SELinux security policy is enforced.
#       permissive - SELinux prints warnings instead of enforcing.
#       disabled - No SELinux policy is loaded.
SELINUX=enforcing
# SELINUXTYPE= can take one of these two values:
#       targeted - Targeted processes are protected,
#       mls - Multi Level Security protection.
SELINUXTYPE=targeted

Needless to say, problem solved!

I hope there will be at least 1 Google result now 😉

NB: I’ve recently used a pretty handy recipe HOWTO install Trac on Fedora Core 9, it needs some adaptation which I hope to post soon.

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