Today, according to Raging Search (see http://ragingsearch.altavista.com/), there are only 50,665 web pages containing the words “my cat”, but 57,615 instances of “streaming media”. This is not the Web we thought we knew. As people put bigger, fancier media on the Net instead of just pictures of Mittens, you might think that we would have learned the lesson of the humble GIF file: don't make human communication depend on a patent license.
But people didn't learn it, and we're in for another patent mess with the patented MP3 format and several others. As I write this, I'm checking out the mp3licensing.com page about Broadcasting/Streaming (see www.mp3licensing.com/royalty/broadcast.html). Want to run an Internet radio station with MP3 compression? On January 1, 2001, you'd better get out your checkbook. And “Bob” help you if you want to say something their lawyers don't like.
So what happens now? Do we make some huge corporation in Europe the new Ministry of Information of Internet radio? Hell no. This is Linux Journal, and we love freedom. In this issue, we're going to give you a crash course in free, open-source multimedia tools. Remember, when speech depends on software, free speech depends on free software.
SoundTracker and Broadcast 2000: If content is king, low-fidelity content is a mad, drooling king whose nonsensical decrees go unheard while better-sounding invaders march into his country, and the people throw flowers before them. Get SoundTracker and learn how to create MOD audio tracks to keep your listeners happy. Broadcast 2000 lets you edit your own movies with cut-and-paste ease.
FIASCO: Fast, free streaming video depends on a patent-free compression algorithm. FIASCO, which Ullrich Hafner developed over the course of five years for his PhD thesis, is a replacement for MPEG video released under the GPL. Now you don't need to get a patent license to develop video applications.
In “Streaming Media” Frank LaMonica looks at what you need to do to roll out a streaming media site—from codecs to RAID drives to quality of service. And in “Running a Net Radio Station with Open-Source Software”, Andy Faulkner and the rest of the opensourceradio.com crew explain exactly how they did it. They're using the patented MP3 format, though, which brings us to “Ogg Vorbis—Open, Free Audio” by Jack Moffitt. Ogg Vorbis, the free replacement for MP3, is definitely ready for prime time, so vorbize a couple of tracks, clean the wax out of your ears and have a (patent-free) listening session.
Finally, we have some really high-tech articles about writing games that are 3-D both for the eyes and the ears. In “The Story of OpenAL” Bernd Kreimeier teaches us about the new standard API for 3-D audio. I wonder how far you can get in Heretic2 with headphones on and your eyes closed. And, last but not least, we have a sneak preview of the eagerly anticipated book, Linux Game Programming. Learn how to get started in SDL, a fast LGPLed library of game development tools.
—Don Marti, Technical Editor
Practical Task Scheduling Deployment
July 20, 2016 12:00 pm CDT
One of the best things about the UNIX environment (aside from being stable and efficient) is the vast array of software tools available to help you do your job. Traditionally, a UNIX tool does only one thing, but does that one thing very well. For example, grep is very easy to use and can search vast amounts of data quickly. The find tool can find a particular file or files based on all kinds of criteria. It's pretty easy to string these tools together to build even more powerful tools, such as a tool that finds all of the .log files in the /home directory and searches each one for a particular entry. This erector-set mentality allows UNIX system administrators to seem to always have the right tool for the job.
Cron traditionally has been considered another such a tool for job scheduling, but is it enough? This webinar considers that very question. The first part builds on a previous Geek Guide, Beyond Cron, and briefly describes how to know when it might be time to consider upgrading your job scheduling infrastructure. The second part presents an actual planning and implementation framework.
Join Linux Journal's Mike Diehl and Pat Cameron of Help Systems.
Free to Linux Journal readers.Register Now!
- Google's SwiftShader Released
- SUSE LLC's SUSE Manager
- My +1 Sword of Productivity
- Interview with Patrick Volkerding
- Managing Linux Using Puppet
- Murat Yener and Onur Dundar's Expert Android Studio (Wrox)
- Non-Linux FOSS: Caffeine!
- SuperTuxKart 0.9.2 Released
- Tech Tip: Really Simple HTTP Server with Python
- Parsing an RSS News Feed with a Bash Script
With all the industry talk about the benefits of Linux on Power and all the performance advantages offered by its open architecture, you may be considering a move in that direction. If you are thinking about analytics, big data and cloud computing, you would be right to evaluate Power. The idea of using commodity x86 hardware and replacing it every three years is an outdated cost model. It doesn’t consider the total cost of ownership, and it doesn’t consider the advantage of real processing power, high-availability and multithreading like a demon.
This ebook takes a look at some of the practical applications of the Linux on Power platform and ways you might bring all the performance power of this open architecture to bear for your organization. There are no smoke and mirrors here—just hard, cold, empirical evidence provided by independent sources. I also consider some innovative ways Linux on Power will be used in the future.Get the Guide