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Ubuntu Linux under vmware: network interfaces

I’m quite busy with VMware these days. I actually believe VMware’s dogma “the virtual machine is more robust and qualitatively better than the physical machine” is correct.

However, after installing two VM’s running Ubuntu Linux to do some failover testing, I noticed something odd about the numbering of the network interfaces. Good old eth0 was missing. Instead, there was an eth1 present…

Now I had this issue in the past, but always worked around it by just using eth1 instead of eth0. But maybe it would be better to find out about this and fix it “the right way”.

The problem is caused by the copying of the virtual machines. I have a VM template which I use as a base image. I then copy and customise this image when I need to implement new VM’s. The process goes like this: Read more »

Cover art resizing

One of the more heated debates involving audio tags is: do you organize your files using one directory for every album and put the cover art into a single file into that album (’folder.jpg’) or do you embed the cover art into the tags of each and every file? Myself, I embed it into all files.

  • the cover art is always with the file, no matter where I copy it to
  • I do not have to put every album into one folder
  • what about single files? You have to embed the art then since creating a folder for one single file seems…strange.

Read more »

Digital audio players: iTunes

ITunes

Note: this article was originally posted on April 11th, 2007. Some of the mentioned extensions are no longer compatible with later iTunes versions.

Why?

ITunes is Apple’s audio player with versions for both Mac and PC. You can say a lot of things about it:

  • It always seems to ‘know better’
  • It is limited in supported playback formats
  • It feels a bit slow

Yet, : Read more »

I am…(personality tests)

Rum And Monkey

The guys at Rum and Monkey allow you to do a few ‘personality tests’. Do not take them seriously :)

I'm John Kerry!
Which Presidential Candidate Are You? Read more »

My Audioscrobbler (last.fm) profile

Somehow I seem to have stopped using this service but nevertheless, here it is:

My Audioscrobbler profile

MP3 compression settings

A lot of misconceptions exist about audio compression. Bear in mind that the whole idea behind it is to store digital audio but not have it take up too much space on your hard drive. Uncompressed audio is in wav format. You can compress it in 2 ways:

  • Lossless compression: no information is lost, compression is about 50%.
  • Lossy compression: the codec used tries to determine parts of the file you won’t be able to hear anyway and throws them away. The rest is compressed. Compression is determined by either the bitrate you want to give or the quality you want to give. Compression depends upon the bitrate used but can typically be around 80% while staying transparant.

So, no codec (mp3, ogg, aac, …) can ever be said to provide better or worse sound quality. What can be said is that different codecs need a different bitrate (and so, file size) to reach the same quality.

We’ll be compressing lossy. mp3 is an old codec and in theory newer ones such as aac should need a lower bitrate to get the same quality. However…When using the lame mp3 encoder you have an encoder which has excellent tuning. The advantage of using mp3 is that it’s universally supported on all devices. (indeed, most people think about mp3’s when talking about digital audio.) Also note that a song encoded with the same bitrate but by different encoders may have a very diffent quality for different encodings. When encoding to mp3 and if quality is the goal (instead of speed) always use lame! So, MP3 is what we’ll be using here… Read more »

Tagging audio files

There are a few ways I can think of for an audio player to show you all relevant information (artist, title, release year, …) about an audio file.

  • derive it on-the-fly from the filename.
    • disadvantages:
      • only a limited amount of fields can be entered before file names become too long
      • changing a field would require you to rename the file, which will make programs no longer find the file.
      • you need to take care when naming your files, changing your filename format afterwards may be difficult.
    • advantages:
      • ummmm…not sure…
  • derive it from metadata added to the file.
    • disadvantages:
      • a lot of fields are standardized, but some are not. (album artist anyone?)
      • file becomes (only slightly) bigger
    • advantages:
      • very flexible: you can add fields whenever you want

Read more »

I Want To Call You My Bitch

you my bitch

I was listening to the radio today and hear this song…which seemed to consist of only 10 words…(and that’s making an effort since I’m counting the word ‘I’ and am counting “you’re” as 2 words…)
Intrigued, I looked up the lyrics and for sure, there it was:


Dave Mccullen - Bitch

I just like to call
I just like to call
I just like to call
I just like to call
I just like to call
I just like to call
I just like to call  

I just like to call you my bitch Read more »

Pictures New Year 2004

Pictures of New Year 2004 can be browsed here

CBC News: Kazaa mounts Betamax defence

It never ceases to amaze me how companies (well, companies) such as this seem to think they have a case. They don’t. It’s amazing these things even manage to get into court.
I’m not saying that there’s no legitimate use for peer-to-peer services. (only the name, peer-to-peer…please…as if this is something new…Think back to the windows 3.11 days and tell me this is not a step back for computing…) There is. Yes, you can sample music before you buy it. Yes, it can save bandwidth for distributing large files such as when the recent xp sp2 went gold.
However, let’s not kid ourselves. When you download xp sp2 from an official source there is something wrong with you. Likewise for the latest linux iso’s of your favourite distribution. They are not trusted sources. And sampling music can be done in a numer of ways that do not need peer-to-peer networks. But, most of all, let’s be honest here: is not 99 percent of peer-to-peer traffic, in fact, illegal?
So, the situation was: record companies did not much mind mp3 sharing and such before napster and friends. They did not even notice. Now they are on a witch hunt. And, if you ask me, it’s because a lot of people seemed to insist they had a right to distribute their music online. (quote: “But I paid for it, I can do anything I want with it”).
If you have something you should not have, but it’s on such a small scale nobody really minds, you should accept it as-is. Otherwise you might well lose it, and give up some more rights indirectly.
Somehow, people seem to think they have several ‘rights’, especially when it comes to computing.

Q: Why do you want to have an internet connection?
A: Because then I can get free music.

Q: why did you just send an e-mail to 20 people with a picture of you cat in 2000 by 1600 resolution, and in uncompressed bitmap format at that?
A: It came out of my camera that way.

Q: why do you not learn something, if only a bare minimum, about your computer?
A: I don’t care. Just fix it.

Yes, everybody has a right to be ‘on the internet’. but getting free music is not a right. it is something you do ‘on the side’, and if it does not work, too bad.

If you buy a VCR, do you take it back to the shop demanding that all round buttons on the front are replaced by square ones because that fits in better with your living-room? No, that would be idiotic. So why oh why do people persist in maintaining that attitude with their computers?

In short, if services like kazaa and friends, together with their most vocal supporters, had not shouted out aloud that they need to exist, need to make money (with a non-existing business model I might add) and have a right to do anything at all, we would be a lot better off now. Because file swapping would still be in the hands of the capable few. And anybody can become one of the capable if only they are willing to learn a minimal amount of info which is readily available.

Maybe a consomer pc should not be a pc at all but a thin client? Of course, such attempts will probably fail because people will not be able to work around the legal issues by downloading patches, firmware and spyware-ridden kazaa.