Linux Journal Contents #188, December 2009
If last month's Infrastrucuture issue was too "big" for you then try on this month's Embedded issue. Find out how to use Player for programming mobile robots, build a humidity controller for your root cellar, find out how to reduce the boot time of your embedded system, and if you're new to embedded systems find out the basics that go into one. You can also read about the Beagle Board, the Mesh Potato and a spate of other interestingly named items. And along with our regular columns don't miss our new monthly column: Economy Size Geek.
Playing with the Player Project
by Kevin Sikorski
Programming mobile robots to interface with sensors, actuators and robots.
Introduction: a Typical Embedded System
by Johan Thelin
The common parts that go into an embedded Linux system.
Controlling the Humidity with an Embedded Linux System
by Jeffrey Ramsey
It's not the heat; it's the humidity.
Reducing Boot Time in Embedded Linux Systems
by Christopher Hallinan
The years fly, but the seconds can drag on forever.
The Mesh Potato
by David Rowe
Everybody loves a good Spud!
Isolated Multisession Workstations
by Jorge Salgado
Access Ubuntu, Windows, Mac OS and Citrix from the same workstation.
Reuven M. Lerner's At the Forge
2009 Book Roundup
Dave Taylor's Work the Shell
Calculating the Distance between Two Latitude/Longitude Points
Kyle Rankin's Hack and /
Message for You Sir
Dirk Elmendorf's Economy Size Geek
A Pico-Sized Platform with Potential
Doc Searls' EOF
Is “Open Phone” an Oxymoron?
The Goggles, They Do Something
by Kyle Rankin
In Every Issue
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
- Interview with Patrick Volkerding
- Tech Tip: Really Simple HTTP Server with Python
- My +1 Sword of Productivity
- SUSE LLC's SUSE Manager
- Managing Linux Using Puppet
- Murat Yener and Onur Dundar's Expert Android Studio (Wrox)
- Non-Linux FOSS: Caffeine!
- SuperTuxKart 0.9.2 Released
- Returning Values from Bash Functions
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