I accidentally a word.

Jun
14

Fedora 15 makes /media a tmpfs

The /media directory is defined in the Filesystem Hierarchy Standard as containing subdirectories “which are used as mount points for removeable media such as floppy disks, cdroms and zip disks”.

Some people, myself included, have been known to use this location to mount more semi-permanent media such as additional hard drives or even network shares below this location. I fully recognise that this was always folly of me, but hey – for a long time it worked.

As of Fedora 15 the /media directory has become a tmpfs by default. This means that among other things it is wiped on reboot. Any devices still plugged in will of course be detected when the system starts and their mounts will re-appear in the directory.

What this means for those of us who have been abusing this area of the filesystem is that our mounts have ‘disappeared’ since the first reboot after the upgrade.

Simply issuing umount /media as root is enough to temporarily return your mounts to their previous state so that you can move the data to a less controversial location.

Jun
08

An Introduction to Amazon Web Services, Post-presentation Reflections.

Today I was lucky enough to attend a presentation given by Simone Brunozzi (@simon) who works for Amazon Web Services (AWS). The slides from the presentation are available on slideshare but I thought I would take the time to quickly reflect on a few key points that I took away from it.

Who needs Venture Capital?

The biggest thing I took away from today was that AWS presents an amazing opportunity for small startups to get off the ground without necessarily needing to acquire large amounts of venture capital. Even when venture capital is being sought the value proposition is much more attractive to potential sources of funding than a traditional proposal. Using AWS the funding required can scale appropriately along with the success (or failure) of the venture itself rather than requiring a large outlay up front.

Indistinguishable Experience for End Users

While the list of large, well known, companies using AWS to support their web presence is quite long how many of their users realize the services they use are backed by it? For the most part, ignoring the recent well publicized outage, the user experience of a correctly defined AWS setup is completely indistinguishable to end users from that of a traditionally hosted site. In some instances it may even be better thanks to the use of services like CloudFront!

Everyone has a Unique or Unsolvable Problem

Based on the under currents of some of the questions posed in today’s session it seems that many in IT, at least locally here in Australia, still believe that their organisation is somehow unique. Indeed in many cases this may in some small way be true. The problem is that this line of thinking is the precursor to the argument that an organisation’s problems cannot possibly be solved by generically designed platform or framework of the day X.

This isn’t an attitude unique to today’s attendees by any means, and I don’t particularly hold it against them either. There are obvious risks attached to a change in platform mix for any established organisation. That said I couldn’t help but wonder, given the previous point regarding how invisible AWS is from an end user experience perspective, how many of these same organisations already have competitors leveraging the efficiencies of the cloud and they aren’t even aware of it.

Security of Platform

A common thread of concern in the Question and Answer session was what I will refer to as security of platform. That is to ask the question “what is to stop AWS yanking my site at will”. The answer unfortunately appears to be “trust us, we wont – it’s not in our interests”. The only real test of this that has come to light was with regards to WikiLeaks and in that particular case the site was indeed taken off AWS.

Amazon argue that the reason WikiLeaks was removed from AWS was in fact due to the fact that they were clearly not the owners of the content they were serving and thus violated the Terms of Service. Whether or not this is the case it seems that business users are still very much concerned about the ramifications of building their IT infrastructure on top of a platform that can, at least technically, be pulled out from under them at a moments notice.

Along a similar line there is concern that currently there is no Australian region for almost any services provided by AWS. As a result jurisdiction over data stored by Australian companies using these services ultimately resides with foreign governments. For many organizations this is simply unpalatable and often in fact impossible due to legislative requirements.

Unfortunately given Australia’s small population and the small number of regions currently available in AWS it seems unlikely that this will be changing any time soon.

May
16

Give your desktop a new look with the elementary icon theme

This post migrated from http://blogs.fedoraproject.org/wp/sgordon/2011/04/03/give-your-desktop-a-new-look-with-the-elementary-icon-theme/

Looking to give your desktop a new look? Try the elementary icon theme. These icons are available in the default Fedora repository for F14. As such they can be installed by issuing the following yum command:

 
# yum install elementary-icon-theme
 

To activate the icon theme Gnome users should:

  1. Access System -> Preferences -> Appearance.
  2. With the current overall theme selected click Customize.
  3. Select the Icons tab on the Customize Theme dialog box.
  4. Select elementary or elementary-monochrome from the list provided.
  5. Click Close on both dialog boxes to apply and save the changes.

The instructions for users of other desktop environments such as KDE, XFCE or LXDE will differ. Consult the documentation for your desktop environment of choice if you are unable to find the appropriate settings.

May
16

linux.conf.au wrap-up

This post has been migrated from http://blogs.fedoraproject.org/wp/sgordon/2011/02/08/linux-conf-au-wrap-up/

As I mentioned in my previous post last week I attended linux.conf.au which was this year held in 2011. I thought I might do a quick wrap-up linking not only the presentation I made at the Cloud Mini-conf but also some other presentations I attended during the week which might be of interest to other Fedora users.

A colleague and I presented a talk called Deltacloud – Abstracting for Freedom providing an introduction to Deltacloud and the Aeolus Project. The video from the talk is available online as are the slides.  Some specific talks I feel might be relevant or of interest to Fedora users are linked below:

There are of course plenty of other presentations that took place during the week. The videos for these are being made available at http://linuxconfau.blip.tv.

May
16

In search of unicorns

This post has been migrated from http://blogs.fedoraproject.org/wp/sgordon/2011/01/28/in-search-of-unicorns/

Over the last week I have had the pleasure of attending linux.conf.au which was held in my home city of Brisbane, Australia. Overall it was a great experience and I hope to write up on some of the specific experiences I had which might be more specifically interesting to the Fedora community over the coming weeks.

Right now however I would like to touch on the ‘Training Allies’ session I attended as part of the Haeksen mini-conference. Effectively the session was an opportunity to review some examples of discrimination which arise from time to time in the FOSS world and indeed the IT industry as a whole.
One of the specific scenarios discussed was the use of pornographic and sexually explicit imagery in conference presentations. As those running the mini-conf detailed some experiences from their own pasts where they had seen this occur and others from the crowd chimed in I distinctly remember rolling my eyes somewhat. In my mind we have long since passed the point where anyone in the industry thought this was acceptable or in any way necessary, right?

Then Friday’s keynote speech rolled around. The full text of the speech and the slides can be found here.  While not everyone might be offended by the slides I think most readers will be observant enough to work out which ones some might not have considered appropriate for a conference which draws attendees from all walks of life. I have no doubt Mark Pesce also realised that some slides would be controversial and this was the intention of including them but that still does not make it acceptable.
Some will debate the linux.conf.au rules word for word, others will be offended by the idea that conference presentations are being censored in some way (or not, as it turns out, otherwise we wouldn’t be having this dialog). I’m not going to try address every argument that either has been made or is likely to be made in defense of this presentation. In fact I’m not even going to directly address any.

The sole purpose of this post is to register that in my personal opinion that such events are not at all helpful in an environment where we are trying to attract individuals, businesses, and governments to open source. They are also completely avoidable and therefore un-necessary.

I will also say I am not sure what the point of having a rule regarding the use of sexually explicit images in presentations is if the enforcement to back it up consists of allowing the presentation to continue unhindered and issue a lame duck apology retrospectively. I do however appreciate the difficult position this scenario put the room organiser in. Ultimately conference organisers shouldn’t require such a rule and be able to rely on the professionalism of community members and people recognising the social consequences of their actions as is traditionally done, alas we can dream.

http://blog.futurestreetconsulting.com/?p=484
May
16

FOSS drivers for ATI Mobility HD 5xxx (Evergreen series) on Fedora 14

This post has been migrated from http://blogs.fedoraproject.org/wp/sgordon/2010/12/20/foss-drivers-for-ati-mobility-hd-5xxx-evergreen-series-on-fedora-14/

I have had a laptop with an ATI Mobility HD 5xxx video card for some time now. Getting 3D support for this card on Linux has been painful. Unsupported by the FOSS driver included in Fedora releases the only option has been to install the proprietary Catalyst driver. The Catalyst driver works when available but often releases lag long after the versions of Xorg included in the latest Fedora.

I have recently discovered, via a post on fedoraforum.org, that the updated version of the FOSS driver which is currently in the rawhide repository includes support for cards in this series! To install it you can use the following commands (note that the first is only required if you have previously installed the Catalyst drivers):

 
#/usr/share/ati/fglrx-uninstall.sh
# yum install fedora-release-rawhide
# yum update --enablerepo=rawhide --nogpgcheck kernel libdrm mesa-* xorg* cairo pixman
# yum remove fedora-release-rawhide

I had some issues with the graphical boot when I rebooted following the installation. By editing my grub settings to ommit the rhgb parameter I was able to successfully boot into my graphical environment which now has 3D acceleration!