From the “Not Just for Linux Geeks Desk” comes Mobile Edge's new ScanFast line of laptop carrying cases and accessories, which the producer claims to be “the first TSA-Compliant Netbook case collection on the market”. ScanFast is targeted at Netbook owners seeking a case more substantial than a simple sleeve and encompasses the Edge Netbook Briefcase, Messenger Bag and Backpack products. Each product has the additional advantage of being checkpoint-friendly at airports. To be checkpoint-friendly, TSA requires laptop compartments to be independent and clear of any other gadgets, cords, metal zippers and so on, and screeners must have a clear unobstructed view of the laptop itself. The cases support notebooks up to 13.3" (34cm) wide.
DVEO is now shipping the new eYeCatcher ATSC-M/H, a compact test modulator for emulating Mobile DTV (digital TV) signals. Designed for use in development labs and for technology demonstration purposes, the eYeCatcher ATSC M/H is a portable frequency agile modulator with IP, ASI or SMPTE 310M input and ATSC M/H output. It delivers real-time or stored video to cell phones, PDAs, handhelds and vehicles. The device is ideal for laboratory applications, testing set-top boxes and mobile devices, and in-store demonstrations of ATSC M/H devices.
The Cambridge, UK-based Undo Software bills the new version 3.0 of its reversible debugger for Linux, UndoDB, as “a huge step backwards”. UndoDB's reversible debugging capabilities (also known as replay or historical debugging) allows a developer to step or run an application backward and so answer the real question when debugging: “How did that happen?” The Undo folks say that UndoDB 3.0 can debug nearly any Linux process, including those using multiple threads, asynchronous signal handlers and shared memory. The new edition also is reputed to be faster than ever, running applications with a slow-down of just 1.7x while still keeping full visibility of the program's entire execution history. Finally, UndoDB 3.0 supports reverse watchpoints, allowing programmers to find the root cause of elusive memory-corruption bugs easily.
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James Gray is Products Editor for 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.
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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