Virtualization In Meatspace
Computer virtualization is all the rage these days. Heck, in the video I shot last week, I installed about 12 Linux distributions on a VM, because it made recording a lot simpler. (If you're wondering, only 9 made the cut, the others gave me fits) Server virtualization is allowing for more efficient use of high end hardware, and even SAN disks are creating virtual (yet real) storage drives for multiple systems at the same time.
And here's where I wax philosophic for a bit. We see the same trend in our own lives. The devices we thought would save us time, are in fact making us busier and busier. Think about it, palm pilots organized our lives, so now we can fit more things into our lives. Cell phones allow us to communicate while we're off doing... you guessed it, more stuff. Just like the giant servers in the closet virtualizing away slices of their time, we're doing the same in our lives.
Right now, I'm at a teen Bible Camp for a week, where I'm a speaker. While I'm here, the staff is taking advantage of my geekiness, and I'm fixing some computer issues. I also have a laptop with me, on which, in my "free time", I'm editing articles for the September issue of Linux Journal, and writing this very post. I also have a VPN set up, so I can manage an entire network of Macintosh and Linux desktops sitting in a school 350 miles away. If you add my office phone that is forwarded to my cellphone, and my home phone which is just a Skype-In number -- I'm busy and yet available about 26 hours of the day.
So while I think, as technologists, we are becoming better and better at multitasking, I don't think we'll ever get all the extra free time we imagine is bound to happen as we streamline our lives. Any space that we clear away, we'll just fill up with another "virtual server" that will use our idle CPU cycles. Here's the deal: schedule fun. Plan for downtime. Don't leave blanks in your calendar, scribble the spots out.
And with that, I'm going to go for a walk by the lake. Unfortunately, I'll have my cellphone, in case anyone needs to reach me. :)
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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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