Lenz Grimmer's blog

I am probably different than most users, but I am a a fan of unusual input devices. I prefer Laptops with trackpoints - I immediately disabled the touchpads on my Lenovo laptops (a T61 and T42) in the BIOS when I received them. My first Laptop (a Toshiba Portege 3440CT) didn't even have a touchpad to begin with. It's a pity that trackpoints seem to a dying breed.

And I don't like using regular mice on my desktop, either! Actually, my most favourite input device is a trackball - I purchased a Logitech TrackMan Marble FX a long time ago, and used it for years. Then computers stopped having serial or PS/2 connectors, and I replaced the trackball with an USB mouse. I never really got the hang of using mice, but Logitech (or other vendors) somehow never came up with a suitable replacement model for the Marble FX with a USB port. I recently looked at the Logitech Trackman Optical, but was not convinced by the reviews I read, and the fact that it requires batteries (a trackball is a stationary device, so a cable does not really interfere here!). The Microsoft Trackball Explorer might have been an option, but it seems to be impossible to get nowadays.

After experimenting with several mouse models (Cherry, Microsoft), I decided to revive the TrackMan Marble again. It comes with a PS/2-connector by default, so I first tried to connect it to my PC using a PS/2-to-USB converter dongle. This actually worked without any tweaking, but had two limitations: the fourth mouse button was not detected anymore (I could have lived with that) and the Trackball stopped responding after it had been idle for a while, requiring me to restart the X server to get it working again.

So using the PS/2-to-USB dongle was ruled out and I tried an Serial-to-USB dongle instead:

lenz@thebe:~> lsusb|grep Serial
Bus 002 Device 006: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port

When plugged in, udev creates a new serial device /dev/ttyUSB0 which I needed to inform the X server about. Fortunately it's possible to define multiple input devices in the xorg.conf configuration file. Using the serial port actually had another advantage - I was able to add some trackball-specific tweaks that would have collided with the settings of the "regular" PS/2 mouse section that I needed for the builtin trackpoint of my Thinkpad. It required some tweaking and testing, but this is what I added to xorg.conf to be able to use the TrackMan Marble FX in addition to the builtin pointing device:

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Trackball" "SendCoreEvents"
    Option         "Clone" "off"
    Option         "Xinerama" "off"
EndSection

Section "InputDevice"
    Driver       "mouse"
    Identifier   "Trackball"
    Option       "Device" "/dev/ttyUSB0"
    Option       "Name" "TrackMan Marble FX"
    Option       "Protocol" "Intellimouse"
    Option       "Vendor" "Logitech"
    Option       "AngleOffset" "10"
    Option       "Buttons" "8"
    Option       "Emulate3Buttons" "off"
    Option       "EmulateWheel" "true"
    Option       "EmulateWheelButton" "8"
    Option       "YAxisMapping" "4 5"
    Option       "EmulateWheelInertia" "8"
EndSection

You may wonder about the 8 mouse buttons, as the device only has four physical buttons. Interestingly, the fourth button on the TrackMan reported itself as "button 8" when I probed it with "xev", so I needed to make sure the server is aware of it. When pressed, the trackball now acts like a mouse wheel and allows me to quickly scroll across long documents - very handy! Now I just hope that the button switches in the TrackMan last for another while - until some vendor eventually comes up with a suitable replacement...

I am happy to announce that mylvmbackup version 0.10 has been released.

You can download the updated package from the project home page or via the openSUSE Build Service.

This version fixes some bugs and includes new functionality:

• Applied patch from Marc Haber: added option --keep_snapshot that will skip the removal of the backup snapshot before terminating the script. Providing the option --backuptype=none will now skip creating a backup using the builtin backup modules. Both options provide more flexibility when using hooks for performing the actual backup tasks or when the snapshot is considered to be the actual backup.
• Added two new hooks: "backupsuccess" and "backupfailure" which are called respectively upon success of failure of the backup operation (Bug #264089)
• Make sure that binaries are being found ($PATH may not include /sbin when called from cron), added missing entry for "lvs" to mylvmbackup.conf (Bug #255703)
• Updated documentation

Hello and greetings from DrupalCon 2008 in Szeged, Hungary!

We (Thierry Manfé, Scott Mattoon and myself) are having a great time manning our booth and talking about Drupal, MySQL and Open Source@Sun with the nice crowd of Drupal Users and Developers here. Sun is a gold sponsor of the event and we're giving a number of sessions as well.

Today I gave my first presentation about MySQL Backup and Security - Best practices - unfortunately I ran a tad bit out of time at the end... The slides have already been attached to the session page, so you can read up on the last few things I was going to talk about. Feel free to contact me, if you have further questions!

Tomorrow I'll be talking about High availability solutions for MySQL: An Overview and practical demo, which will also include a practical demonstration of a two-Node Linux Cluster, performed by Jakub Suchy. In the afternoon, I will also hold a BoF about bzr - The Bazaar source revision control system

I've also uploaded some pictures from the event (and some impressions from the city) on my gallery (more will follow later). Enjoy!

Just to remind you that Packt Publishing is running their Open Source CMS Award again:

The Packt Open Source Content Management System Award is designed to encourage, support, recognize and reward Open Source Content Management Systems (CMS) that have been selected by a panel of judges and visitors to www.PacktPub.com. Now entering its third year, the Award has established itself as an important measure for quality and the popularity of Open Source Content Management Systems.

You have two more weeks to submit your favourite CMS in the following categories:

• Overall Winner
• Most Promising Open Source CMS
• Best Open Source PHP CMS
• Best Other Open Source CMS

As for the last two years, I'll be a member of the team of judges that have to choose from the finalists that received the most nominations during the nomination stage.

I look forward to the list of finalists - it's always interesting to find out about new developments in this area and how the established projects in this market have developed over the course of the year!

I recently added two new packages to my repository on the openSUSE Build Service:

• Maatkit is a collection of essential command-line utilities for MySQL. Each is completely stand-alone, without dependencies other than core Perl and the DBI drivers needed to connect to MySQL, and doesn't need to be "installed" - you can just execute the scripts. This makes the tools easy to use on systems where you can't install anything extra, such as customer sites or ISPs.
• protobuf - Protocol Buffers - Google's data interchange format. Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Google uses Protocol Buffers for almost all of its internal RPC protocols and file formats.

The protobuf package is required, if you want to compile drizzle. Packages are available for openSUSE, Fedora and Mandriva Linux. Feedback is welcome!

Are you a member of a local Linux User Group? Or a MySQL User Group? Or any other group that is related to open source software? Have you heard of the Software Freedom Day yet? This is a good opportunity to spread the word and showcase what OSS is all about to a wider audience. Some quotes from their Software Freedom Day website:

Software Freedom Day is a global, grassroots effort to educate the public about the importance of software freedom and the virtues and availability of Free and Open Source Software. Local teams from all over the world organise events on the third Saturday in September.
Software Freedom Day is a global celebration and education of why transparent and sustainable technologies are now more important than ever. With over 200 teams in 60 countries participating, it is a fantastic event to get your schools and communities involved in.
Go along to your local event or start your own event and meet a wide range of people, all working together to help ensure our freedoms are maintained by the technologies of tomorrow. Forming a Local SFD Team can be a fun, effective community building experience for your local user group and community.
Software Freedom Day is an outreach day where you can inspire newcomers with the values and quality of Free Software and communicate the broader issues of Software Freedom through a variety of activities of your choice. Is there something locally relevant to your country or region that you need to express? Is there some great local success story you want to tell? Software Freedom Day is your chance to stand united with the entire Free Software world with what you care about. Freedom.

Events will take place all over the world, organized by volunteers and local user groups. If you are interested to participate, here are some ideas and instructions:

• Instructions for forming a local team
• Registering your team on the Software Freedom Day site

Today, the root file system on our public svn server nearly ran out of disk space. The reason? The /tmp directory was quickly filling up with temporary files created by websvn, which I set up parallel to the FishEye repository browser for testing purposes. A quick investigation of the apache log files revealed the culprit - a crawler from Microsoft was running haywire and decided to ignore the rules in the robots.txt file, even though it did actually looked at the file before!

Here is how robots.txt looked like (I now changed it to disallow everything):

User-agent: *
Disallow: /fisheye/
Disallow: /websvn/

If I am not mistaken, no crawler should actually consider going into the SVN browser directories. Some snippets from the apache log:

$ grep robots.txt /var/log/apache2/access_log | grep msn
65.55.208.178 - - [03/Aug/2008:16:58:35 +0200] "GET /robots.txt HTTP/1.1" 200 53 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.212.64 - - [03/Aug/2008:19:05:55 +0200] "GET /robots.txt HTTP/1.0" 200 53 "-" "msnbot-media/1.0 (+http://search.msn.com/msnbot.htm)"
65.55.235.139 - - [03/Aug/2008:22:14:47 +0200] "GET /robots.txt HTTP/1.0" 200 53 "-" "msnbot-media/1.0 (+http://search.msn.com/msnbot.htm)"
65.55.25.136 - - [04/Aug/2008:00:31:32 +0200] "GET /robots.txt HTTP/1.1" 200 53 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.212.64 - - [04/Aug/2008:00:57:38 +0200] "GET /robots.txt HTTP/1.0" 200 53 "-" "msnbot-media/1.0 (+http://search.msn.com/msnbot.htm)"
65.55.235.139 - - [04/Aug/2008:06:49:33 +0200] "GET /robots.txt HTTP/1.0" 200 53 "-" "msnbot-media/1.0 (+http://search.msn.com/msnbot.htm)"
65.55.212.64 - - [04/Aug/2008:07:16:21 +0200] "GET /robots.txt HTTP/1.0" 200 53 "-" "msnbot-media/1.0 (+http://search.msn.com/msnbot.htm)"
65.55.25.136 - - [04/Aug/2008:09:29:17 +0200] "GET /robots.txt HTTP/1.1" 200 53 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.104.156 - - [04/Aug/2008:11:08:24 +0200] "GET /robots.txt HTTP/1.1" 200 53 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [04/Aug/2008:11:29:34 +0200] "GET /robots.txt HTTP/1.1" 200 53 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.212.64 - - [05/Aug/2008:13:30:20 +0200] "GET /robots.txt HTTP/1.0" 200 53 "-" "msnbot-media/1.0 (+http://search.msn.com/msnbot.htm)"
65.55.208.178 - - [05/Aug/2008:16:17:59 +0200] "GET /robots.txt HTTP/1.1" 200 53 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"

Good boy, it checks the robots.txt file. But what is this?

$ grep msnbot /var/log/apache2/access_log | tail -20
65.55.208.164 - - [05/Aug/2008:22:48:15 +0200] "GET /websvn/filedetails.php?repname=MySQL+Documentation&path=%2Fworkbench%2Fall-entities.ent&rev=9981&sc=1 HTTP/1.1" 200 6408 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [05/Aug/2008:22:48:15 +0200] "GET /websvn/dl.php?repname=MySQL+Connector%2FJ&path=%2Fbranches%2Fbranch_5_0%2Fconnector-j%2F&rev=6600&isdir=1 HTTP/1.1" 200 40960 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [05/Aug/2008:22:48:19 +0200] "GET /websvn/rss.php?repname=MySQL+Documentation&path=%2Fproto-doc%2F&rev=9994&sc=1&isdir=1 HTTP/1.1" 200 36907 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [05/Aug/2008:22:48:21 +0200] "GET /websvn/rss.php?repname=MySQL+Documentation&path=%2Ffalcon%2F&rev=8323&sc=0&isdir=1 HTTP/1.1" 200 15278 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [05/Aug/2008:22:48:21 +0200] "GET /websvn/rss.php?repname=MySQL+Proxy&path=%2Ftrunk%2FDoxyfile&rev=365&sc=1&isdir=0 HTTP/1.1" 200 4162 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [05/Aug/2008:22:48:21 +0200] "GET /websvn/rss.php?repname=Eventum&path=%2Feventum%2Freports%2F&rev=3542&sc=1&isdir=1 HTTP/1.1" 200 90591 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [05/Aug/2008:22:48:23 +0200] "GET /websvn/log.php?repname=MySQL+Documentation&path=%2Fndbapi%2F&rev=9749&sc=0&isdir=1 HTTP/1.1" 200 21440 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"
65.55.208.164 - - [05/Aug/2008:22:48:23 +0200] "GET /websvn/log.php?repname=MySQL+Documentation&path=%2Ffalcon%2F&rev=8511&sc=0&isdir=1 HTTP/1.1" 200 18541 "-" "msnbot/1.1 (+http://search.msn.com/msnbot.htm)"

As you can see, it is happily crawling everything below /websvn/, which also includes links named "Tarball" - guess what they are good for? Yes, they create tarballs of a given SVN directory, using /tmp to build up the archive file... Within a very short amount of time, it used up more than 6 GB of disk space, as it seems as if websvn leaves these temporary directories behind, if the connection gets aborted or times out. We do have a cron job that wipes /tmp from files older than a certain amount of days, but it currently fills up much faster than what the cron job usually discards. I need to investigate if it is actually is a bug in websvn to leave these temporary dirs behind.

Hello Microsoft? Can you please fix your bots so they not only read but honor robots.txt files and stop DOSing our site? Thanks

In a recent article, Matt Asay was musing about the aspects of hosting an Open Source project by yourself vs. using a public project hosting service like SourceForge, GitHub or Launchpad. He concluded that it's important for commercial/sponsored open source projects in particular to do the hosting by themselves, so they can maintain full control and can gain more insight, which hopefully will turn into more revenue at some point.

However, Matt seems to reduce "hosting" to "providing downloads" only:

Control and visibility. Given the importance of customer conversions, it becomes hugely valuable information to know that it takes, say, eight months on average for someone to buy the "Enterprise" version of your code after downloading the software. With Sourceforge et al., you have no way of connecting the dots between download and purchase. But if you host your downloads, you can suddenly link a download to a purchase using marketing automation software like Loopfuse.
[...]
It can tell you many things, but the key is to be able to glean insight from the earliest stage of your interaction with a potential customer, and that means you have to host your own downloads. Otherwise, you have no idea how or when a would-be customer downloads your code, which makes the "why" they download it less interesting, because it becomes less actionable.

I understand and agree to Matt's point in principle - you want to know more about the users that download and use your stuff. Here are some related thoughts about this topic.

Project hosting is not just about downloads

First: project hosting is much more than just providing a download/mirror infrastructure for your product releases. On the one hand, you have the regular users of your product who are primarily interested in having easy and fast access to the latest builds for their platform of choice and a platform to exchange their problems and experiences with other users.

But project hosting facilities also address a completely different audience, with different needs. These are the developers, who want to have easy access to the latest source code, be able to submit bug reports and patches and want a direct communication path to the project's developers.

I think it is important to ensure that you serve both the developer community as well as the user community as best as you can, which could of course mean you should provide the full range of project hosting all by yourself. But by doing so, you also create an island that makes it difficult to benefit from the "cross-pollination effects" between your project and others. This can partially be remedied if you don't only set up a project hosting infrastructure for your own purposes, but also open it for projects related to your project (and which not maintained by your own team), e.g. how SugarForge is doing it. But the cost and effort involved in setting up and maintaining such an infrastructure should not be underestimated.

There is more to distribute than releases

At MySQL, we just recently moved away the MySQL Server source trees from the proprietary BitKeeper revision control system to Bazaar. Along with this migration, we also relocated the public repositories from mysql.bkbits.net to Launchpad.net, to make it easier for external developers to access and work with the code. Currently, MySQL only makes use of the source repository hosting capabilities - downloads, bug reports and most other things like mailing lists or forums are all maintained by ourselves and hosted on mysql.com.

Due to the distributed nature of Bazaar, we could of course also provide the source repos from our own servers (similar to how we do it for several of our projects that are still maintained in Subversion). But I think it makes a lot of sense to use Launchpad for that, as it allows a tighter integration and collaboration with contributors and other related projects, and it gives us more visibility within the developer community.

Drizzle has taken this even further: the project utilizes all of Launchpad's facilities, including Blueprints, Bug reporting, mailing lists. It's going to be an interesting learning experience to see how this affects and improves community interaction/participation. I'd love to see MySQL move more into this direction as well (especially the bug database and worklog would be good candidates), but this probably will take some more time.

I too recently moved the source tree of my own personal project from a Subversion repository on my private server to Launchpad. Several reasons motivated me to do this, one of them being the opportunity to gain more practical experience with Bazaar and getting away from a central source code repository that makes me the bottleneck in making changes and applying patches. A distributed revision control system makes much more sense from a community contribution point of view, which Ian Clatworthy summarizes quite well in his paper "Distributed Version Control Systems - Why and How". In a way I deliberately give away some of the control over my project. And I must say I like how Launchpad integrates the various available subsystems like blueprints, code branches and bug reports - things are much better connected and they provide useful workflows that make the entire system much more productive to use than e.g. SourceForge.

I still provide downloads of released versions from my own site (as does MySQL), but mostly because I actually did not know until recently that Launchpad offered this kind of service - I will look into that for the next release. I am more interested in making sure that my users have easy access to properly packaged versions of my project for their operating system of choice. Therefore I work closely with the packagers from various distributions and make sure they integrate new releases quickly. In addition to that, I make use of hosted services like the OpenSUSE Build Service, which automatically provides package repositories for a number of platforms. I aim for wide distribution on as many channels as possible, instead of trying to be the sole provider of my product. This brings me to another point:

Downloads stats are overrated

Direct downloads from your project's web site usually are only one part of the distribution system. I believe that being included in the various Linux or other Open Source Operating System Distributions (e.g. Free/OpenBSD, OpenSolaris, etc.) plays a much bigger role in gaining popularity and reaching more users. Most users usually go with what they get as part of the package, as the distributor usually has taken care of a tight integration and proper packaging of your project within his own product and also takes care of providing updates and fixes.

Unfortunately it's almost impossible to gather any detailed intelligence about the number of users of a project this way, as distributions usually don't keep track of (or don't disclose) their download figures and which packages on their releases are the most popular. Debian's Popularity Contest is probably the only exception to this, but it's unclear how reliable that information is. Here I must agree with Matt again, if we just look at project hosting services acting as download providers only and include distributions in this equation:

As open source becomes more commercial, someone is going to need to step up to offer such visibility into these hosted services, or we're going to find the hosted services proving useful for ever decreasing amounts of time.

I guess we all would love to know more about the users that don't download a package from our site, but go with the one provided by their distribution of choice instead or download it from somewhere else. But so far, this is a blank spot on our radar screen.

 Another caveat that results from these multiple distribution channels: just looking at your own download stats may actually give you a skewed picture of your user base, particularly if you look at the platforms (which will probably be dominated by Windows or Mac OS X, as these OSes usually don't ship your code as part of their own product).

So instead of trying to force downloads through a single instance only, I think it's much more important to ensure widespread distribution and a top-notch first hand experience. If users like your product, they are much more inclined to consider coming back and purchasing something from you than if you annoy them by making your product hard to download and install or require them to register before they can obtain a copy of your product. It's all about lowering the barriers as much as you can, even if you have to give up some control in exchange.

I am happy to announce that a new version (0.9) of mylvmbackup has been released. This is the first release since the source code has been moved from Subversion to Bazaar and is now hosted on Launchpad.net. I would like to thank Robin H. Johnson and Patrick Hahn for providing the patches that contributed to this new release!

mylvmbackup is a tool for quickly creating backups of MySQL server's data files. To perform a backup, mylvmbackup obtains a read lock on all tables and flushes all server caches to disk, makes an LVM snapshot of the volume containing the MySQL data directory, and unlocks the tables again. The snapshot process takes only a small amount of time. When it is done, the server can continue normal operations, while the actual file backup proceeds.

From the ChangeLog:

• Applied patch from Patrick Hahn: provide an option to call external scripts/applications (hooks) at various stages of the backup process. See the man page for instructions
• Added options "--skip_hooks" to disable the execution of hooks and "--hooksdir" to define the location for these (default is /usr/share/mylvmbackup)
• Updated documentation: added new options and instructions on how to use hooks
• Applied patch from Robin H. Johnson: Full support for an rsync:// service as the backup destination. If you include any path fragments with the rsync module name, they must already exist!
• Updated documentation to reflect these changes
• Updated TODO

You can download a source tarball or RPM from the project home page. Additional packages for various Linux distributions can be obtained from the openSUSE Build Service. Packages for Gentoo and Debian should appear shortly, too.

Enjoy! Please let me know how mylvmbackup works for you, either by posting to our mailing list or by submitting a bug report. Thanks!

JFYI: today I migrated the mylvmbackup source tree from my local Subversion repository on http://www.lenzg.org/ to a Bazaar repository on Launchpad.net.

This will hopefully make it easier for contributors to work on the code and share their modifications with others, removing me as the bottleneck for applying and testing patches for new releases. I chose Bazaar primarily because I wanted to get some more hands-on practice with it, now that the MySQL Server source trees have been transferred to it as well (see Kaj's announcement for details).

As mylvmbackup is closely related to the MySQL Server project, it made sense to choose the same platform and enjoy the cross-pollination effects and the infrastructure that Launchpad provides. Additionally, the distributed nature of Bazaar makes it more convenient to work with the code history and commiting changes locally without having to be online and connected to the SVN server.

I am sure that other DSCMSs like Git, Mercurial or darcs would have done the job equally well - nowadays it's very hard to choose

The "trunk" branch is now hosted on Launchpad. I assume that I will soon open up a development branch, that will receive heavier modifications first. I also plan to use the site for bug tracking and keeping track of feature requests (via Blueprints).

To create a local branch of the "trunk" repository, you can use the following command:

bzr branch lp:mylvmbackup

I also maintain a copy of that branch on my home server, just in case: http://www.lenzg.org/bzr/mylvmbackup/

To avoid confusion, I removed the Subversion repository on http://www.lenzg.org. Please use the Bazaar tree on Launchpad from now on. Thanks!

While we're on the topic of Bazaar - this week I got informed by the organizers of the FrOSCon 2008 conference that they accepted two of my talk proposals: one session will be an introduction to this source code management system (what a coincidence), the other one will be an introduction to OpenSolaris for Linux users, explaining some of the underlying technologies and how they differ from what a seasoned Linux user may be accustomed to.

And no, I have not given up on using Linux - quite the contrary! I have been very impressed by the latest OpenSUSE 11.0 release and already run it for since quite some time on several of my work systems. In fact, I already convinced several colleagues of mine to give it a try as well! I am amazed by the speed and "out of the box experience" of this version and I actually plan to install it on my Genesi Pegasos PowerPC machine as well, replacing Debian on there. But as a Sun employee, I of course have to familiarize myself with the other products and projects that we're involved in. And on the Server side, Solaris does have a few interesting features that Linux currently lacks. But I digress.

I look forward to speaking at FrOSCon again - it has been a great conference in the past two years. Very well organized, nice venue, a relaxed atmosphere and excellent technical sessions and speakers.

Other MySQLers submitted talks as well - for example, Giuseppe will give a presentation titled "MySQL Community How To", Susanne will give a PostgreSQL tutorial and others will participate in the separate PHP subconference. Don't miss it - this year's FrOSCon will take place on August 23rd&24th in St. Augustin, Germany (close to Bonn). For the first time, we will also try to set up a MySQL project table. So if you are there, make sure to stop by and have a chat with us!

If you are new to MySQL and would like to get an overview about some best practices for securing a MySQL server and some commonly used backup techniques, consider attending this webinar (in german), held by yours truly. It will take place this Tuesday (2008-06-17) at 15:00 CEST - participation is free of charge! This is my first attempt to perform a webinar, I usually give talks in front of a live audience... Let's see how it goes.

From May 28th-31st, the annual LinuxTag will take place in Berlin, Germany. I followed the growth and evolution of LinuxTag from the very early days and I have fond memories of the event back when it still took place at the University of Kaiserslautern and our SuSE "booth" was just a regular table taken from the lecture rooms...

Things have evolved a lot since then. Today, LinuxTag is one of the largest Linux/Open Source Events in Europe and my new employer Sun is a major sponsor this year. In addition to several talks and keynotes, there will be a large Sun booth in the exhibition area (Booth #205) and we will have a dedicated MySQL demo pod! Some of the things we plan to demo there are the upcoming MySQL Server releases (5.1, 6.0 with Falcon and Online Backup), MySQL Workbench, MySQL Enterprise Monitor as well as how to combine these with other Sun products like Glassfish, NetBeans, OpenSolaris or OpenOffice.

Some other stuff that we will be showcasing on the Sun booth:

• Be Brilliant Faster with OpenSolaris: Develop, Debug, Deploy Apps Faster with ZFS and Dtrace, OpenSolaris Live CD – Fast, Free, and Easy to Install
• Virtualize Your Business with xVM and VirtualBox: OpenSolaris, Windows, Linux & Mac OS X Virtualized, Develop on VirtualBox, Deploy on xVM, Free & Open
• Sun Studio Software for OpenSolaris and Linux: C/C++/Fortran Compilers and Tools, x86 and SPARC
• Cool New Features in OpenOffice.org 3.0: Importing PDFs and Managing Appointments, now with full support for MAC OS X (Aqua)
• Discovering Open High Availability Cluster: Overview about HA Clusters, Community Group Projects, Single Node Cluster – Service Failover between Zones
• GlassFish - the Open Source Java EE 5 Application Server: JRuby/ Rails, Ajax & Comet

I look forward to being there! Please contact me, if you are interested in visiting Linuxtag and would like to receive a free pass!

There were free copies of the Linux Journal handed out to attendees outside in the hallways here at CommunityOne and I noticed that they just published this year's Readers' Choice Awards - MySQL was voted as the favourite database by 62.7% of their readers!

MySQL is not only the world's most popular open-source database, it's your favorite as well. Although PostreSGL,
SQLite, Firebird and others registered votes, the competition was not fierce. It doesn't hurt that MySQL runs on more than
20 different platforms.

Thanks a lot to the readers of LinuxJournal, we really appreciate the support!

This article describes how to install the Drupal 6.2 CMS on MySQL 6.0, using the Falcon Storage Engine. The operating system is a default Ubuntu 8.04 "Hardy Heron" (x86) installation.

I will make a few assumptions here, in order to keep the instructions simple: a fresh OS install, no other MySQL databases or web services are running or have already been installed. Both MySQL and the web server are installed on the same host. You should be able to become root to install packages and to have access to the local file system and the system configuration.

This article will explain how to install and configure Apache/PHP, MySQL 6.0 and Drupal 6.2.