Friday Fun: Minecraft
This week's game is one that isn't free. In any sense. It is closed source, and requires payment to even try it out. Why would we mention such a game here at Linux Journal? 2 reasons:
1) It works quite well in Linux
2) It has a strange, cult-like following that makes absolutely no sense to me. I'm hoping our readers (some of which are likely fans) can explain the fascination to me.
3) The author claims once sales begin to dwindle, he will release the source code under some OSS friendly license.
First, in order to play Minecraft, you'll need to download the Java application. You can find it on the Minecraft website. If you have the proper dependencies installed (openjdk-6-jre, openjdk-6-jre-headless), you simply run the program as described on the website:
java -Xmx1024M -Xms512M -cp minecraft.jar net.minecraft.LauncherFrame
Once the game starts, you need to log in with your paid account, and the game will update itself to the latest version automatically. Then your top-of-the-line 3D accelerated video system will show you a 3D world with such low resolution graphics they make Mario look like he lives in Blu-ray world.
Once inside, the goal of the game is to build things. I think. By destroying certain blocks and adding different types of blocks together, new and complex blocks can be formed. If that sounds rather dumb and pointless, in some ways I agree with you. I think the only way a person can enjoy a "game" like Minecraft is to look at it like a bucket full of digital LEGOs.
When I was a kid, I played with LEGOs all the time. I loved them. In fact, I would spend hours and hours creating elaborate constructions for no other reason than I could. I think that's what Minecraft is. The differences of course are many, but the underlying desire to build I think is the point of Minecraft.
There are both single player and multi player modes for Minecraft, and the server (which also runs very well under Linux) can be downloaded for free so you can host your own multiplayer game.
I'll be honest, I don't understand the charm of Minecraft. Perhaps I'm too old to enjoy LEGOs, or perhaps I'm old enough that actual LEGOs seem more fun than digital blocks. Whatever its draw, however, Minecraft is a game with a huge following and devoted fan base. If you're a fan of Minecraft, please explain to the rest of us why you love it so much. And if you've never played it, but want to experiment, there is a Minecraft Classic version that is free to play. Check it out, maybe it's your cup of tea.
Oh, and if you do start playing Minecraft and get get hooked? Yeah, we're sorry. But at least it's Friday!
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