How high is the LAMP stack?
When we first started talking about LAMP, it stood for Linux, Apache, MySQL, PHP, Perl, Python... and other M and P projects, such as mod_perl, mod_python, PostgreSQL and so on. The letters were arranged horizontally, but many IT builders began talking about them vertically: as a "stack": Linux on the bottom, and a pile of other stuff on top.
So here's a simple question: how high (or wide) is that stack now? Put another way, how many open source projects sit on Linux today?
I just asked Ethan Zuckerman, who said the question was "interesting", and that one approach would be to subtract out the non-Linux projects from SourceForge. Right now there are 154,092 projects on SourceForge. I don't know how many run on Linux, though I'm sure it's a huge percentage. But SourceForge isn't the only place where open source development projects live.
You can go looking with directories such as Linux.org's, collections such as Freshmeat's or Tucows', or code search engines such as Google's, Koders' or Krugle's. But so far I haven't been able to find a number. But that's just me. I'm sure one or more of the rest of ya'll have the answer. Or many answers. What are they?
Doc Searls is Senior Editor of Linux Journal
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!
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