Tuesday, December 9. 2014
Please note that I won't be updating this blog anymore. I will keep the content around for the time being, but future posts will only appear on the new site. I tried to articulate my reasons for doing so in my post Why the switch to a new blog?
Wednesday, August 7. 2013
I just published the second part of a blog post series about Linux Containers on the OTN Garage blog (where a lot of my recent blogging takes place nowadays) — check it out if you would like to get an introduction and some quick examples on how to get started with this technology on Oracle Linux (and other Linux distributions that support Linux Containers, of course):
German versions of these articles are also available from the OLIVI_DE - Oracle LInux und VIrtualisierung blog:
We also recorded a short whiteboard session about this topic a while ago — the video is available from the Oracle Linux YouTube channel: Linux Containers Explained
Friday, September 2. 2011
Despite my best intentions, I haven't posted on this blog for a while, which is a shame! I've become busy writing on so many other places since I moved into my new role in the Oracle Linux product management team in April. I've learned a lot and I am feeling quite at home here! The team is excellent and very nice to work with — I am slowly getting the "Big Picture".
But even though I've been neglecting this blog, there are a lot of things that are publicly visible and document some of my activites:
I've created two podcasts for the Oracle Linux podcasts:
In addition to working the @ORCL_Linux Twitter account and FaceBook page, I've been blogging on the Oracle Linux blog:
From time to time, I'm a guest blogger on the OTN Garage blog:
I also created new content and updated pages on the main Oracle web site and the Oracle Technology Network (OTN):
I've been traveling a bit as well and attended a few conferences where I spoke about Oracle Linux (and MySQL):
I probably forgot a few things in my reflection of the past few months, but these were some of the highlights.
Check out my followup blog post on what I'm up to in the coming weeks and months!
Thursday, June 16. 2011
It's been a while since my last post on this blog; I definitely need to get back into the habit! One of the reasons for my radio silence was that I switched roles here at Oracle. After having been with the MySQL team for 9 years, I felt it was time for a change. Fortunately I did not have to look far – I'm now a member of the Oracle Linux product management team and I am having a lot of fun there.
However, I realized that while I was an active Linux user on the desktop, quite a lot has happened on the enterprise and data center side of things. Linux has really come a long way and I am glad to be back in this field, drinking from the firehose and learning a lot about recent developments and technologies. For me, this is kind of going "back to my roots", as I have been deeply involved with Linux at SuSE before I joined MySQL in 2002.
Anyway, I'm still alive and you can expect to hear more about Linux and less about MySQL from me on this blog in the future. I also started writing for the official Oracle Linux Blog as well as the OTN Garage blog – watch these spaces for future posts from me, too.
In addition to that, my travel schedule is also filling up again: at the end of this month I'll be speaking at the fisl12 conference in Brasil and Oracle OpenWorld in San Francisco later this year. I also submitted talk proposals to the DOAG conference and the UKOUG conference. Looking forward to it!
Monday, August 2. 2010
Nachdem ich in meinem Blog bisher ausschließlich auf Englisch geschrieben habe, bin ich nun zu dem Entschluß gekommen, ab und zu auch mal Artikel und Kommentare zum Thema MySQL auf Deutsch zu verfassen. Wenn es in Zukunft also um Themen geht, die primär für Anwender aus dem deutschsprachigen Raum (der berühmten DACH-Region) interessant sind (z.B. Hinweise auf Veranstaltungen, Konferenzen oder Treffen von MySQL-Anwendergruppen), werde ich es in dieser Kategorie vermelden.
Der deutschsprachige Teil von Planet MySQL sucht auf jeden Fall noch weitere Autoren! Falls Ihr also noch deutschsprachige Blogger kennt, die ab und zu mal das Thema MySQL behandeln - hier kann man einen RSS Feed anmelden!
Thursday, May 28. 2009
I just realized that I haven't blogged for more than a month! Shame on me. But I will blame it on being away on conferences and vacation for quite some time  And if you are following me on twitter, you may have noticed what I was going on in my life and that I did't get hit by a bus...
So what was going on since I returned back home from the MySQL Conference? First off, I uploaded und sorted my pictures from the conference and the Drizzle developer day on Flickr. I also uploaded the slides (PDF) from Colin and myself speaking about "MySQL Server Backup, Restoration, and Disaster Recovery Planning" to the MySQL Conference site and they are now available for download from the session page.
On May 4th and 5th I attended the amoocon in Rostock, Germany - a conference primarily about Open Source Telephony and VoIP, where I gave two talks (in German) about MySQL HA Solutions and MySQL Backup and Security Best Practices. There were several other MySQL-related sessions at this conference (e.g. Geert speaking about MySQL Cluster) and I was quite impressed to learn about how widely used it is in the VoIP/Telephony sector. The PDFs of my slides for both talks are available from the conference web site as well as on my slidespace on SlideShare (a very convenient service that I recently started using). There even is an MP3 and video recording of the HA talk, which is also linked from the session page mentioned above.
Right after the amoocon, I attended the next09 conference, which took place in Hamburg, Germany. On the first day I helped manning the Sun booth for some time (Sun Startup Essentials Germany was a sponsor of the event) and listened to some talks, on Wednesday I gave a presentation about "Working for a Virtual Company: How do we do it at MySQL?". A video recording of my talk is available from sevenload. Last time I checked the video was truncated, but I hope they will publish a complete version of it soon. Unfortunately I had a very bad speaking slot - the very first one in the morning (9:00am), after there was a party/social event going on the night before... But luckily there still were ~20-30 people in the audience. This was the first time that I gave this presentation and talked about something less technical, which was actually quite fun! As for the other recent talks, the slides are on SlideShare.
From May 14th to the 16th I was in Verona, Italy to speak about MySQL Backup and Security and bzr - The Bazaar source revision control system at the Italian phpDay. This was quite a nice event with ~150 attendees and Rasmus Lerdorf giving two talks as well. However, many of the sessions were in Italian, so I decided to spend some time walking around the city and taking lots of pictures. I also took a number pictures from the conference, but the light was pretty dim in the room and many shots turned out to be too blurry. Next year they plan to have the phpDay in Rimini - I definitely plan to be there!
Sunday, February 22. 2009
Sorry for the downtime of this site - until around a week ago I hosted my home page on a trusty Genesi Pegasos II system (powered by a PowerPC G4 Processor clocked at 1GHz, using Debian 4.0 PPC with 512 MB of RAM), serving these pages from my home DSL connection. Unfortunately this system provided no means of redundancy - the hard disk drive died.
Luckily I perform frequent backups, so I moved most parts of the site to a shared hosting space now - the picture gallery is unfortunately too big to fit into the space that I have there. I'll try to move the pictures into my Flickr account instead, but this will take some time.
Note that the primary domain name of this site is now lenzg.net - lenzg.org, (the domain that I tried to promote as the official domain for my site) used to redirect to the home machine at lenz.homelinux.org. Both now redirect to the new address instead. I've initiated the move of the lenzg.org domain to the other provider as well, so soon this site will be available from both the .org and .net domain. Please don't link to lenz.homelinux.org anymore, as that site will eventually go out of service. Until then, a small openSUSE Linux box (Intel PIII, 500 MHz, 192 MB of RAM) running lighttpd will perform the URL redirection.
Tuesday, December 9. 2008
FYI, we've now added an Italian section on Planet MySQL: http://it.planetmysql.org
If you are a MySQL enthusiast from Italy and would like to start blogging about it in your native language, please consider submitting your feed for inclusion!
Giuseppe just recently started blogging in Italian as well and has already added his feed there.
Tuesday, September 16. 2008
 This is more of an "behind the scenes" update and I hope that you won't see any (negative) changes on the PlanetMySQL front page or the RSS feeds: I just finished and commited the conversion of the backend script that performs the parsing and aggregation of feeds from requiring MagpieRSS to SimplePie.
This will provide better support for a wider range of feed types and should also fix a few quirks, e.g. that some postings (for example the one from Kevin Burton) only showed up as an "A" in the Planet's RSS feed. It hopefully also fixes a weirdness with time zones that some people were reporting, but this requires further investigation.
The size and complexity of the script was reduced significantly because of this change - SimplePie is a breeze to use in comparison to MagpieRSS and it's very well-documented. The developers provide some more reasons and a comparison on why you should also make this switch!
And in case you notice anything broken or weird on PlanetMySQL that might be related to the change, please let me know! This change was an important step for future improvements of the site.
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, March 14. 2007
Due to a small mail filtering glitch we did not notice a number of new feed submissions for Planet MySQL that had been sent to us via the submission form since the beginning of the year. Doh! Today I discovered them in a separate mail archive and have now added all the ones that were not spam or unrelated to MySQL. So if you recently submitted your RSS feed and you don't see it aggregated on Planet MySQL by now, please resend your submission. Thanks and we're sorry for the delay and inconvenience!
Wednesday, February 22. 2006
As the development of my previous blog software had been discontinued some time ago, I finally bit the bullet and moved to Serendipity now. The move was actually quite painless and I was even able to import the most recent posts from the old blog (without the comments, unfortunately). I have created rewrite rules that should redirect to the new RSS feeds, but I'd like to encourage you to subscribe to the new feeds advertised from the blog's front page soon (you could even subscribe to categories then). Thanks! I've kept the old blog for archiving purposes, but it's no longer possible to post comments there.
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