Ubuntu Tutorials

I am a big fan of VirtualBox as a desktop virtualization technology. I have it installed on my machine and I’m constantly using it to try out new distributions and learn new technologies. It really is a great tool! I have seen it grow from a new project into the fully featured, efficient virtualization competitor that it is today.

I was recently sent a copy of the newly released “VirtualBox 3.1 Beginner’s Guide“, which outlines deploying and managing a cost-effective virtual environment using VirtualBox. I want to thank Packt Publishing for sharing a copy with me, and I’d like to share my review of the book here. I hope some of you will take the time to check out the Packt Publishing website as a resource for technical books.

VirtualBox 3.1 Beginners Guide

The first thing I have to say about this book is that it is very detail oriented.  It truly is a beginners guide. I’m positive I could give this book to my father and he’d be able to install, configure and run VirtualBox on Windows or Linux. It outlines, in step-by-step detail, everything you’d like to know about VirtualBox. Even though I consider myself a Virtualbox veteran, I followed along with some of the tutorials and was impressed that no detail was left out.

One of the things that really stands out about this title is that it includes a huge number of screenshots. The number of screenshots in the book provide any beginner with the visual roadmap they need to complete the task at hand. It covers installing VirtualBox on both a Windows and Ubuntu host, as well as installing and configuring the reverse as guests. If you’ve never installed VirtualBox before, you’ll have an installation up and running in just a few minutes.

Beyond installation and configuration, this book goes into detail regarding the command line options (I learned quite a bit from this chapter!) as well. VirtualBox provides a full set of command line tools for starting, stopping, configuring, cloning and creating virtual machines. This makes it a perfectly reasonable candidate for a headless server virtualization solution!

This book covers guest additions, disk and image creation and management, all networking options and how they differ, using and creating virtual appliances, using snapshots and even remote management. It really is a good resource for getting started with Virtualization. I’m glad to have a copy of this book in my collection.

The sections that were the most useful for me were the networking and command line chapters. I was not familiar with any of the command line tools, and the networking was a little blurry for me. Before getting a copy of this book I was unfamiliar with virtualized networking beyond NAT and Bridged. This book went into enough networking detail that I’m very comfortable with each of the networking options and in what situations each might apply. This will really boost my efficiency and productivity with VirtualBox.

For anyone wanting to learn more about virtualization or doing research into cost-effective virtual environment solutions, I would highly recommend VirtualBox 3.1 Beginner’s Guide.

I very briefly tried out the fifth alpha release of Ubuntu 9.10 “Karmic Koala” tonite and I thought I would share some of my immediate impressions with the rest of you. To sum it up, I hope others are having better luck with it than I did.

System

The machine that I installed on is a Dell Latitude D630. That is a Core 2 Duo 2.10GHz, 2G RAM, 80G HDD, Integrated Intel video and Intel 3945ABG wireless adapter. It is pretty standard hardware as far as I’m concerned–the intel hardware is all supported just fine.

Negatives

I installed using the alpha 5 alternate installer (text based). I used LVM + encryption for my partitioning and otherwise used all default settings, but my problems started before the installer was even finished. Actually, I don’t know if I can accurately say that because the installer never actually did finish. It got to the point of adding the user(s) and then hung. I finally decided to reboot the machine and see what state it was in.. maybe it could be salvaged. Luckily it seemed to be in working bootable order. at least at first glance..

Some of you may remember that I’m a dvorak user. Most of the time this doesn’t cause any problems as I’m the only user on my machine and I can configure the keyboard anyway I’d like. There are those few exceptions however where it ends up causing issues. This was one of them.

When I tried logging into my new installation I noticed the keyboard settings weren’t in place. It was still trying to use qwerty, even though I had used dvorak throughout the installation. I tried setting it manually, which worked during my session, but didn’t persist. I even tried reinstalling the console-setup package to alter the system-wide keyboard. That didn’t seem to take effect either.

I noticed some other oddities as well, most of them linked back to the keyboard layout issue.

Positives

On the positive side I was very impressed with the improved boot time and splash screen. I didn’t time the boot, but I want to say the speed was improved. The graphics were also a bit cleaned up. Ohh, and the horrible GDM graphic from 9.04 was gone as well!

I was also glad to see that ext4 is the new default filesystem. I’ve been running ext4 since it become “stable” and I’ve had no problems with it at all. It is *much* faster than ext3 as well as most of the other common file systems.

The addition of GRUB2 will be very interesting I’m sure. I didn’t get to play with it much, but I’m glad to see that is finally being used. I understand there are a lot of technical improvements in GRUB2 vs the traditional “legacy” GRUB.

I also noticed that some of the issues I’ve had in the past with Intel video were gone. This is due to the replacement of EXA with UXA. For any of you Intel users, this is a big one to be excited about, particularly if you have issues currently on Ubuntu 9.04.

Conclusion

In conclusion I think there are going to be a lot of very noticeable improvements in Ubuntu 9.10 and I’ll be happy to use it. Based on my keyboard issues however it will be hard for me to use at this point. I’ve gone back to Ubuntu 9.04 for the meantime. Perhaps I’ll try it again when it hits Beta.

What regressions or improvements have you found with Ubuntu 9.10 releases? Are you excited to see it coming or are you going to be reluctant to upgrade? I’d really like to hear that other people are having better luck than I did. Chances are, considering my problems were dvorak related, you probably did.