Overview

A quick overview of what's in this special System Administration issue:

* Manage Your Virtual Deployment with ConVirt
* Use Fabric for Sysadmin Tasks on Remote Machines
* Spin up Linux VMs on Azure
* ...
See more details below
Linux Journal February 2013

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Overview

A quick overview of what's in this special System Administration issue:

* Manage Your Virtual Deployment with ConVirt
* Use Fabric for Sysadmin Tasks on Remote Machines
* Spin up Linux VMs on Azure
* Make Your Android Device Play with Your Linux Box
* Create a Colocated Server with Raspberry Pi

Detailed overview: Digital Duct Tape
I've had enough system administration jobs to know that companies tend to take drastically different approaches to how they handle technology. Some companies budget extensively for their server infrastructures, and others have old workstations with box fans cooling them for servers. Whatever the server room looks like, things inevitably go wrong, and it's the job of the sysadmin to save the day. Sometimes that means a quick hack to get things going temporarily, and sometimes it means elaborate planning and scheduling for maintenance and replacement. That's the thing about system administration—you have to think on your feet and come up with solutions on the fly. It can be exciting, terrifying, stressful and rewarding, all at the same time.

This is our system administration issue, which always is one of my favorites. Rather than diving right into the sysadmin stuff though, Reuven M. Lerner starts things off with SQLAlchemy, which acts as a bridge for your Python objects to "talk" to an SQL database. It's a powerful Python module, and if you're using Python with an SQL back end, you'll want to check it out. Dave Taylor, on the other hand, continues his series on creating a shell script to play Cribbage. Dave has a great way of tricking us all into learning things by using fun objectives. We certainly don't mind.

Remember when I said that Kyle Rankin got me started with Raspberry Pi hacking? This month he covers setting up the smallest colocated server you'll probably ever see. Kyle has a Raspberry Pi sitting in a data center rack in Austria, and he walks through preparing the little server for remote-only administration. Because the RPi lacks many of the features server-class machines usually have, a lot of planning goes into the preparation. Even if you don't plan to set up a Raspberry Pi server, it's a great article.

My column this issue hits much closer to home. If you have a fancy new Android tablet, but you're struggling to use is as much as you'd like, you're not alone. This month I tackle my Nexus 7. At first I struggled to do much more than play Angry Birds with mine, but after a lot of effort, my tablet is a useful tool at work as well as a fancy toy. Those of you struggling to find their tablet's niche may benefit from my experiences.

Jeramiah Bowling addresses virtualization this month. Using ConVirt, he shows how to manage multiple virtualization architectures with a single tool. If you want to manage Xen and KVM side by side, it's worth checking out. In fact, with the paid version of the program, it's even possible to manage VMware hosts! Having the ability to look at different virtualization back ends with the same client makes comparing performance much easier.

System administrators like things to be easier, and so this month, Adrian Hannah teaches how to use Fabric, which is a tool for administering dozens of machines simultaneously. Whether you want to remove files from your entire server farm or install a package with its dependencies on a whole rack of servers, Fabric can make it a one-step process.

Andrew Fabbro and Aaron Peters both describe how to make Linux play well with others. They have drastically different takes on the subject, however. Andrew walks through the steps of getting Linux up and running in Microsoft's Azure cloud. Why would a person want to do that? Well, for the same reason geeks do many things: because they can. Aaron, however, solves a problem we're all a little more familiar with, and that is how to connect your Android tablet with your Linux system. Although many tablets are unable to plug in to a system with USB for file access, there are many, many ways to connect with Android, and Aaron explores a bunch of them.

We tried to cover a wide variety of system administration topics this month, not just only the traditional geek-in-the-server-room scenarios. As technology infiltrates every aspect of our lives, even those folks without the slightest desire to manage a data center must have at least rudimentary administration skills in order to function. For those hard-core sysadmins out there, if you're anything like me, your bag of tricks is like Mary Poppins' bag—there's always room for more. We hope this issue will be as useful for you as it has been enjoyable for us to create. For now, I need to leave—there's a server somewhere that needs to be turned off and turned back on....

--Shawn Powers
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Product Details

  • BN ID: 2940016251899
  • Publisher: Linux Journal
  • Publication date: 2/8/2013
  • Series: Linux Journal , #2013
  • Sold by: Barnes & Noble
  • Format: eBook
  • File size: 11 MB
  • Note: This product may take a few minutes to download.

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