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Thursday, January 5. 2012
Reposting of what I wrote on the Oracle Linux Blog:
Just a friendly reminder: this year too, we'll continue this series of free one-day events.OTN Sys Admin Days are like OTN's Developer Days, but we focus on the Sys Admin with two parallel, hands-on Oracle Solaris and Oracle Linux tracks. These are live classroom events and you'll need to bring your own laptop to follow the practical exercises that we will go through in a VirtualBox environment.
The Linux track will cover topics like package management with RPM and yum, storage management with LVM2 and Linux RAID as well as learning the basics of managing the Btrfs file system. The Solaris track will cover the ZFS file system, Solaris containers and security (roles, SMF).
The next OTN Sys Admin Day will take place in Salt Lake City (UT), on January 18th, 8:00am-4:00pm.
Attendance is free, but a registration is required – reserve your spot now by following this link! We look forward to your participation.
Wednesday, September 14. 2011
Last week we concluded our first Oracle Technology Network Sys Admin Day in Sacramento (CA). Well, it was actually the second Sys Admin Day, but the first one that had two parallel tracks of sessions about both Oracle Linux and Oracle Solaris.
I helped preparing for the event by creating the Linux lab handbook as well as the VirtualBox appliance of Oracle Linux 6.1 that was used for the exercises. Unfortunately I could not be there in person, but it would have been pointless for me to go on an intercontinental flight just for one day.
From the feedback we've received so far, the attendees really enjoyed the event and were positively surprised about the depth and quality of the practical hands-on lab sessions.
If you've missed the first one and happen to live somewhere in the Seattle area, you have another chance to attend OTN sysadmin day: we'll be hosting another one on Thursday, September 22nd at The Westin Seattle (1900 5th Ave., Seattle, WA 98101). Again, attendance is free, all you need to bring is your own laptop with VirtualBox installed. We'll provide the rest. Space is limited — you can review the agenda and register here!
Thursday, April 28. 2011
The folks at OTN have been very busy — among many others (both virtual and in RL), there are two upcoming developer/sysadmin days about MySQL and Solaris. Both will take place in California next month:
Wednesday, August 11. 2010
I tend to switch between Linux and OpenSolaris as my desktop operating system from time to time. To be more flexible in this setup, I store most of my work-related data (e.g. source trees, VirtualBox images) on an external 320GB USB disk drive, using the ZFS file system. While OpenSolaris supports ZFS natively, I can access the file system on Linux using zfs-fuse and I could even mount these file systems on a FreeBSD system, if needed. There aren't that many file systems that allow an easy exchange of data between (Open)Solaris and Linux – the other ones that I am aware of are FAT and UFS, which both don't give me the confidence and flexibility I need.
A while ago, I purchased a second external drive of the same size and now use both of them in a mirrored configuration. This gives me several benefits:
From my experience, ZFS is a very solid and reliable solution, providing impressive functionality with a very user-friendly UI (you only need use two commands, zfs and zpool).
Friday, September 4. 2009
First off, I would like to thank all of the participants and supporters, particularly my colleagues Regina Steyer and Iris Musiol for the perfect logistics and co-sponsoring as well as Uli Graef, Thorsten Frueauf, Matthias Schmidt, Alexander Rubin and Joerg Moellenkamp for manning the Sun booth and the help on site.
Another big Thank You goes out to my team mates Giuseppe and Colin as well as to Sheeri K. Cabral, who were a big help in keeping the OpenSQL Camp on track and by supporting the event by giving talks. In addition to that, Sheeri recorded most of the OpenSQL Camp sessions on video and published them in record time!
So here's a quick summary of both events from my side, starting with the main conference.
Sun was a Gold sponsor of the event and we had a booth right at the main entrance area; it could hardly be missed. It consisted of two large and two small desks as well as a divider behind them. For demos, we had a (slightly noisy) Sun Fire X2200 M2 Server and four SunRay 2 Thin Clients (which by themselves triggered a lot of questions and curiosity by many visitors). The booth was flanked by rollup-banners on both sides as well as various posters attached to the divider. Here's a picture of our booth before the event opened:
We also had a number of talks in the main conference track (both German and English):
The comments and ratings of these sessions were generally very positive. Our booth was well attended, especially during the session breaks. In total, there were over 1.400 visitors at the conference over the two days.
I personally did not attend many sessions in the main conference tracks, as I was too occupied with the OpenSQL Camp and the booth organization. However, I managed to listen to Uli Graef's talk, which was a very technical and interesting session about ZFS features and internals. Being a big fan of ZFS myself, this was a very worthwhile session to be at and my impression was that it encouraged others to take a closer look at this truly amazing file system.
The second talk I attended was Sunday's keynote by Dries Buytaert from the Drupal project about "The Secrets of Building and Participating in Open Source
As for previous FrOSCons (is that the proper plural?), there was a social event scheduled for Saturday evening, providing barbecue (Steaks and Sausages as well as vegetarian dishes) and drinks. This event usually takes place outside and is always an excellent opportunity for networking and talking with key people from other OSS communities and projects. And there was plenty of time for talking - the queues for the grilled food were long...
Here is a list of other blogs and articles about FrOSCon that are worth a read (in no particular order and both German and English):
In addition to the main conference tracks, FrOSCon also provided a number of so-called "Developer Rooms" to OSS projects, so that they could organize sub-conferences or hackfests of their own. We applied for a room to set up a conference dubbed "OpenSQL Camp", related to the topic of Open Source databases, which was approved.
We then sent out a call for papers and invited people from the many OSS database communities to join us and talk about their projects. Every session proposal was published on the OpenSQL Camp web site and people were able to vote on the sessions they were most interested in via email or twitter:
The organization and scheduling of the talks and speakers was done via the FrOSCon conference system (Pentabarf), which made it very easy to perform this task and also made sure that the OpenSQL Camp sessions were included in the main conference program. Below is a full list of sessions at our subconference (see the FrOSCon Program page for abstracts, speaker info, links and slides). We had two cancellations by speakers on short notice, but were able to cover the gaps with ad-hoc presentations. I'd like to send a special thanks to Geert Vanderkelen, who gave a great presentation about MySQL Cluster despite the very short notice and some technical difficulties at the beginning!
Most talks attracted between 20-50 attendees and we had a great mix of topics from several different database projects (with a slight majority of MySQL-related talks). The Panel Discussion (moderated by me), called the "OSS Toolshed Shootout" went quite well and the speakers had a good time answering questions on various topics about their projects. Thanks again to all OpenSQL Camp speakers for making this event a success!
All in all I think that both FrOSCon and OpenSQL Camp were well worth supporting and attending - we were able to provide insight and trigger some interesting discussions among the OSS enthusiasts and developers in the audience. It was also a good opportunity in get in touch with many people of other OSS communities, fostering the MySQL (and other Sun OSS projects) ecosystem.
I personally look forward to next year's FrOSCon - a Big Thanks to the organizers for another great event!
Posted by Lenz Grimmer in Linux, MySQL, OSS, Solaris at 22:56 | Comments (0) | Trackbacks (0)
Wednesday, August 26. 2009
There have been several similar articles to this one, but I find it pretty amazing to see all these emerging and established Solaris/OpenSolaris distributions. It's a good sign of a healthy community!
So here is my collection - please let me know if I forgot one.
Third-party distributions (in alphabetical order):
Monday, January 12. 2009
My colleague Joerg Moellenkamp stepped up and established the HHOSUG - a local OpenSolaris User Group here in Hamburg, Germany. It has a web-home with discussion forums on Xing.com. Our first physical meetup will take place on Wednesday, 4th of February, 17:45. We will meet in the the meeting rooms at Sun's Hamburg offices (Nagelsweg 55, 20097 Hamburg). If you plan to attend, please RSVP here. We have the following topics on the agenda:
Luckily, Wednesday is usually the day that I am in the office anyway, so I'll just stick around. I look forward to meeting many fellow OpenSolaris fans there
Saturday, November 15. 2008
As noted in my previous blog posting, I manged to revive my old Logitech TrackMan Marble FX on Linux (openSuSE 11.1b4), using a Serial-to-USB dongle with a Prolific PL2303 chip. But I also use OpenSolaris on my Laptop quite frequently (currently testing the upcoming 2008.11 release), so I investigated if it would be possible to enable the trackball there as well.
Luckily, the Driver Manager listed the plugged in adapter and the correct driver (usbsprl) was loaded already. Now the real challenge was finding out which device node to use. Some research revealed that the driver actually comes with a manual page , which indicated that /dev/term/0 was the correct device name.
Lo and behold, I copied the InputDevice section from my Linux xorg.conf file into the OpenSolaris one, replaced the Device parameter with the appropriate one and restarted the X server. Immediate success! Now I can enjoy using my most favourite input device on OpenSolaris as well.
Thursday, September 11. 2008
If you are a maintainer of an Open Source project, you currently have plenty of choice when it comes to getting your project hosted for free. One criterion could be your software configuration management system (SCM) of choice.
Some of the hosting services that I am currently aware of and the choice of SCM they offer include:
As disclosed by Tim Bray some days ago, there now is another option - Kenai is open for project hosting (currently by invitation only)! In his blog post, he interviews Nick Sieger, one of the developers behind this project about their motivation and intentions:
We need to demonstrate credibility in building on top of more traditional LAMP/SAMP web stacks (not just Java EE); and we need to show viability of Sun technologies and hardware for next-generation web applications.
In a nutshell, Kenai is a platform for:
Some of the features that are currently available include:
Reading the interview with Nick and looking at some presentations slides for RailsConf from Fernando Castano (a jRuby and Database performance engineer at Sun and another member of the project team), I was able to gather a list of the tools and technologies they used to build Kenai:
I found it interesting that they decided to deploy and run the Rails application as a war file within the Glassfish application server (using Warbler). By the way, the fabolous OpenSUSE Build Service is a Rails application, too! So far, the entire site is powered by a single MySQL instance with query cache enabled.
The project is hosted on the following infrastructure:
You should check out Fernando's presentation for more technical details, tuning info and how they benchmarked the setup - it contains a number of useful tuning hints and performance graphs.
Nick also talked a bit about their future near term plans: to improve the usability and feature set, incrementally improve the site navigation and layout and adding support for hosting files/release downloads. They also consider offering Jira as an option to Bugzilla for bug tracking and Git as another SCM option.
There is an IRC channel #projectkenai on freenode.net, to get in touch with the developers directly. The mailing list for the Project Kenai site itself, is email@example.com - you can subscribe to this list here.
Monday, September 1. 2008
I'm back home from DrupalCon 2008 now - it has been a great event! I met a lot of nice people from the Drupal Community and learned a lot about this CMS. I've been very busy in uploading the remaining pictures from the event to my gallery - so here's for your viewing pleasure:
I also gave two talks and held a BoF there - the slides have now been attached to the session nodes, one of them (the HA session) even includes a video recording:
Friday, July 4. 2008
Thankfully my RSS reader has builtin-search capability, so I can quickly skim the full RSS feed from blogs.sun.com for keywords of interest. I found the following articles quite helpful:
If you are would like to learn more on how to develop on NetBeans with using a MySQL Server and how to create web apps that use MySQL as a backend, take a look at these two tutorials:
Over on the Novell Cool Solutions pages (which are powered by Drupal, by the way), I found this introduction on how to set up MySQL replication by Damian Myerscough. It walks you through the steps involved in setting up a classical master-slave replication setup.
Monday, June 23. 2008
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!
Monday, May 26. 2008
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:
I look forward to being there! Please contact me, if you are interested in visiting Linuxtag and would like to receive a free pass!
Friday, April 25. 2008
While being subscribed to the full blogs.sun.com feed certainly feels like drinking water from a firehose, every once in a while I stumble over very well-written and useful articles about MySQL. Below is a collection of helpful posts, especially if you run MySQL on Solaris (surprise!). And while I still am an avid Linux user, I must admit that Solaris has a few neat features - particularly DTrace and ZFS are quite intriguing. If only userland would not feel so weird for someone coming from a GNU/Linux background!
From Jenny Chen's blog:
From Ritu Kamboj's blog:
From Krish Shankar's Blog:
More to come in the near future!
Wednesday, April 2. 2008
A gentle reminder: next week, there will be two more stops of the MySQL Meetup Mashup Tour:
At both events, colleagues from Sun and MySQL will be present to answer questions and discuss the acquisition of MySQL by Sun and all things Open Source. There will be free drinks and food as well!
We look forward to welcome users from the various related Sun products/projects, e.g. OpenOffice, Java, OpenSolaris, Glassfish or Netbeans. There is so much opportunity for collaboration and exchange of experience - I am very excited to be at both meetings to meet and talk with people from these communities. See you there!
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