Postfix with SASL on Ubuntu 14.04

  • Posted on: 6 April 2015
  • By: edwin

When you find log entries like this:

Oct 17 15:55:52 h2348215 postfix/smtp[19342]: warning: SASL authentication failure: No worthy mechs found
Oct 17 15:55:52 h2348215 postfix/smtp[19339]: 735471744068F: to=<>,[]:587, delay=9974, delays=9973/0.07/0.82/0, dsn=4.7.0, status=deferred (SASL authentication failed; cannot authenticate to server[]: no mechanism available)

sudo apt-get install libsasl2-modules

Fix double google chrome icon in docky and plank

  • Posted on: 27 May 2014
  • By: edwin

After the update to Chrome 35 and again with the update to 36 I discovered the launcher in docky and plank wasn't matching the chrome window correctly anymore. So it would show the launcher with a nice icon and then the actually launched app with a very low quality icon. Luckily, it's a simple fix... so let's get started. Open a terminal and type:

How to draw a circle with the gimp

  • Posted on: 30 August 2013
  • By: edwin

How can I draw a circle with GIMP?

The easiest way is to create a new selection with Ellipse Select tool and stroke it (Edit -> Stroke Selection...). We welcome patches that add tools to draw geometric primitives on canvas.

(To make a circle with the same width and height, hold the shift key while you draw the selection)


Shuttle XS35GTv2 network not working on gigabit speed with Debian 6

  • Posted on: 18 July 2013
  • By: edwin


The problem

After upgrading the wired network to gigabit, everything was fine. Except the xs35gtv2... it wasn't even showing any link leds... what the...?! Plugged the 100 Mbit switch back in and it was up again. That's strange! It turned out to be a driver issue as pointed out in this thread.

The solution

Install packages required to build a kernel module

Make blog entries tagable with taxonomy term in Drupal 7

  • Posted on: 27 June 2013
  • By: edwin

First go to Structure > Taxonomy and add all the vocabularies & term you think you'll need.
Then go to Structure > Content types and click "manage fields" for the content type you'd like to tag, in this example blog.

There using "Add new field"  add the name of a vocabulary and then select it as a "Term reference". Select a widget of your preference and click save.