pycrc v0.7.9 released(08 December 2011) Version 0.7.9 of pycrc fixes a few smaller issues in the code generator. It does no more include stdint.h for C89/ANSI code missed in the last version.
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An introduction to the mail-filter-language Sieve(16 July 2011) I have written a Sieve filter tutorial. I have recently installed Dovecot IMAP server and on that occasion I started unsing Sieve. While learning that (simple) language I have put down some notes.
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pycrc v0.7.8 released(10 July 2011) Version 0.7.8 of pycrc fixes a few smaller issues in the code generator. It does no more include stdint.h for C89/ANSI code and fixes a few compiler warnings.
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IPv6 support on tty1.net(28 May 2011) This site can now be reached using IPv6.
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pycrc v0.7.7 released(11 February 2011) Version 0.7.7 of pycrc fixes a few issues, most of them programming style issues. This version should run better on Python 3.x.
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pycrc v0.7.6 released(21 October 2010) Version 0.7.6 of pycrc fixes a couple of minor bugs. It also contains a complete rewrite of the code generator.
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ifconfig vs ip(21 April 2010) For a long time I have tried to avoid learning the ip command. It turned out a smaller beast than I thought and it is actually very useful. This page compares basic operations done once with ifconfig, once with ip. I hope this will help people to get used to the new syntax.
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pycrc v0.7.5 released(28 March 2010) Version 0.7.5 of pycrc adds a long-awaited feature: the table-driven algorithm can handle widths that are not byte-aligned as well as widths less than 8. This version also removes the half-baken and confusing --direct option and contains some code tidy-up. The generated C code should no more generate warnings about unused variables.
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userial firmware v1.9(25 March 2010) userial firmware v1.9 is a minor bugfix release. This release is the first firmware version that supports Dave Fletcher's Bumble-B board. This version also uses the newest LUFA library 100219 and fixes a few bugs: the SPI clock divider was never written to the right register (thanks to Erik Schönewerk) and the GPIO read command returned the value of PORTx but not PINx (thanks to Dave Fletcher).
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pycrc v0.7.4 released(24 January 2010) Version 0.7.4 of pycrc is a feature enhancement and bug fix release. As a result from the comparison of pycrc's parameters with Greg Cook's catalogue of common CRC algorithms some parameters have changed. This version also contains a few minor bugfixes.
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userial firmware v1.8(31 October 2009) userial firmware v1.8 is a minor bugfix release. This version fixes a bug in the calculation of the SPI frequency. Many thanks to Zoran Stojkovic.
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pycrc v0.7.3 released(25 October 2009) Version 0.7.3 of pycrc is only a small feature enhancement release: a new CRC model, crc-64-jones was added. Thanks to Waterspirit.
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How to print a booklet under Linux without a duplex printer(11 October 2009) A short text on how to generate and print booklets under Linux. It is the result of a lenghtly trial-and-error processes. That's why I went to sketch the necessary steps down, mainly for my own use.
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10,000 downloads of pycrc(10 October 2009) Today pycrc has passed the threshold of 10,000 downloads. We hope as many people have enjoyed working with pycrc. Thanks to everyone who has contributed!
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Setting up a HP Laserjet 2100tn for printing with Linux(04 October 2009) Recently, I got a HP Laserjet 2100tn. This page describes the configuration steps I took to set it up to fit my needs printing from Linux.
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pycrc v0.7.2 released(30 September 2009) Version 0.7.2 of pycrc is a small bugfix release: the result of the Python table-driven code was not being evaluated at all. Thanks to Ildar Muslukhov.
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userial firmware v1.7(26 September 2009) Firmware v1.7 of userial is out! This version adds support for ADC ports and updates to LUFA version 090924.
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Digital Filters with GNU Octave(12 September 2009) Just a short note on how to design a Digital Filter with GNU Octave
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Generating audio with GNU Octave(04 September 2009) Once again I (=someone who uses Octave very rarely) found myself spending too much time figuring out how to do someting in GNU Octave: this time I had to generate a simple sinewave and to save it in an audio file (with fade-in and out). The following article outlines how to do it.
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Pictures from the Carnaval del Pueblo(02 August 2009) Last week I have been down to London to the Carnaval del Pueblo. It turned out a ver fun and colourful kirmes. Watch some pictures on this site.
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Pictures from Italy(05 July 2009) On images/italy2009_en.html I have uploaded a few pictures from a journey to Italy: Rome, Florence, Verona, Venice and Cinque Terre.
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Pictures from Barcelona(05 May 2009) I have put some pictures from Barcelona online.
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sed-tutorium v1.6(13 April 2009) Version v1.6 of the German introduction to sed changed the Docbook style from "article" to "book". Many more examples have been added and the index has been extended. Many thanks to "Max" (Rem Remedy).
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pycrc v0.7.1 released(05 April 2009) Version 0.7.1 of pycrc is only a small feature enhancement release: a new CRC model, crc-32mpeg (now crc-32-mpeg) was added. Thanks to Thomas Edwards.
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userial firmware v1.6(28 February 2009) Firmware v1.6 of userial is out! This version adds a new command for I2C bus clear and fixes a bug that has plagued me for some time now: when userial was transmitting 16 bytes on the USB bus, the data was kept in the transmit buffer until the next command.
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pycrc version 0.7 released(27 February 2009) Version 0.7 of pycrc contains a few small enhancements on the command interface. It is now possible to calculate directly the checksum of a hexadecimal number without writing its binary value into a file. A new option that controls if the 'direct' version (no augmented message) of the algorithm is being executed has been added to the options.
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userial firmware v1.5(25 January 2009) The firmware has been updated. Now all interfaces apart from the ADC port are now supported.
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pycrc version 0.6.7 released(11 December 2008) Version 0.6.7 of pycrc should now run on both Python v2.x and v3.0. This version also fixes a bug that raised an exception when a unknown CRC model was selected. Another bug that gave the wrong result on 64 bit platforms has also been fixed.
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Pictures from Istanbul(14 September 2008) One of the most beautiful cities I have seen: Istanbul.
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userial firmware(31 August 2008) The first firmware release of the USB to I2C bridge has been released today. The software needs still a number of improvements but it is usable for basic input and output over I2C.
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sed-tutorium v1.4(12 August 2008) The version v1.4 of the German introduction to sed fixes a few typos. But the real reason for incrementing the version number is the change in the toolset: I'm abandoning db2pdf and have started using fop to generate the PDF file. And whilst I was screwing with the generator, I was also beefing up the layout of the DocBook output.
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Script to rename a svn:author(01 July 2008) The following Script helps to rename an author in the Subversion log.
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Pictures of barely dressed women(28 June 2008) If you google for the German term Bilder von leichtbekleideten Frauen (pictures of barely dressed women) then you find my German translation of "How to ask Questions the smart Way" on the first page of the search results. Apparently some users in the Web think more people would read the text if it is sold to them as a page with risqué pictures. And I have a suspicion they might not be all that wrong...
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Subversion backup script(01 June 2008) After having rewritten for the thrid time a script to generate SVN backups (in three dfferent situations), I have decided to put a sample script online so I don't have to re-invent the weel the next time.
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USB to I2C bridge(10 May 2008) This is my first hardware project and it is still in an embryonic state, but the first version of the schematic can be downloaded.
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Modern "C" Coding Guideline(27 April 2008) It happened several times now that I'm involved in writing some Coding guidelines (basically in every company I've worked for). And every time I searched the Web for some sensible rules I did not find anything that would recommend as a whole. These guidelines are an attempt to propose modern C coding rules. Comments are welcome.
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sed-tutorium v1.3(13 April 2008) Version v1.3 of the German introduction to sed has undergone a thorough spell check. If I missed the one or the other error, please don't hesitate to report it!
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sed-tutorium v1.2(03 March 2008) The German introduction to sed corrects some minor bugs in v1.2. The biggest difference is the switch from the GNU FDL to a Creative Commons Attribution-Share Alike 3.0 Unported License.
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pycrc version 0.6.5 released(02 March 2008) Version 0.6.5 of pycrc supports now two new CRC modesl (dallas-1-wire und r-crc-16). This version fixes also a problem in the generated source code for the bit-by-bit-fast algorithm and adds increases the compatibility with C++.
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Tuning Subversion on slow networks(18 January 2008) Ever complained about Subversion beeing slow over HTTP? The page blog/2008-01-19-subversion-tuning_en.html show some ways to tune Subversion with Apache.
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pycrc version 0.6.4 released(05 December 2007) Version 0.6.4 of pycrc fixes a bug in the code generator for table-driven algorithms. When the crc_update() function was called more than once the result could get erroneously reflected.
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Pictures from England(15 November 2007) After one year and a half I have finally managed to work through my pictures from England and to put some of them online. More pictures are found in the page photo.
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pycrc version 0.6.3 released(13 October 2007) Version 0.6.3 of pycrc adds a few new CRC models (crc-5, crc-15, crc-16-usb, crc-24, crc-64) and fixes a few bugs in the generated code. C89 code is now completely ANSI compatible and should work in systems without <stdlib.h>. A bug in the --check-file option has been fixed and an unnecessary restriction on the width of the Bit-by-Bit algorithm has been removed.
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pycrc version 0.6.2 released(25 August 2007) Version 0.6.2 of pycrc is a minor bugfix release. Bugfixes: the command line option --check-string was ignored and the generated sourcecode for the table-driven algorithm has been improved. No new functions are added.
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pycrc version 0.6.1 released(12 August 2007) Version 0.6.1 of pycrc is a minor bugfix release. In particular, the new C89 code introduced a couple of bugs which are now gone. Previously deprecated command line options have dropped in this version. No new functions are added.
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sed-tutorium v1.1(19 July 2007) The German introduction to sed corrects some bugs in v1.1. Thanks to Alexander Kriegisch.
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Rant about my experience with the Izmailovo hotel in Moscow(18 July 2007) A report about my experience dealing with the Izmailovo hotel in Moscow. I hope the contained informations are useful for people planning to travel to Moscow.
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pycrc version 0.6 released(21 May 2007) pycrc version 0.6 has been released. This release contains a major rewrite of the code generation back-end and a re-organisation of the source code. There are also several other minor improvements. With version v0.6 the license has changed from (a modified) GPLv2 to MIT.
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Linux support for Samsung YP-T9(06 April 2007) Yay! I have got my brand new Samsung YP-T9 MP3 player connected with Linux and I am listening to Ogg Vorbis files on it while writing these lines!
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pycrc version 0.5 released(25 March 2007) pycrc version 0.5 has been released. This version contains small bug fixes and no new functions.
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sed-tutorium v1.0(20 February 2007) The German introduction to sed has bumped the version number to 1.0. This version contains some minor changes and corrects several typos (Thanks to Thomas Falkner).
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An example script for an iptables firewall(06 February 2007) blog/2007-02-06-iptables-firewall_en.html describes an example of an iptables firewall script with some gimmicks like automatic blocking of ssh portscans.
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pycrc version 0.4 released(26 January 2007) pycrc version 0.4 has been released.
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pycrc version 0.3 released(14 January 2007) pycrc version 0.3 has been released. This is the first public release.
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This pages are now generated out of XML(25 November 2006) Since I wanted to learn XML and XSLT, I have converted the source code of this pages from Web Meta Language to XML.
sed-tutorium v0.8(17 March 2004) The German introduction to sed was ported from SGML to xml and by this occasion I have corrected some typos.
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GNU/Linux Installation Party VII(28 February 2004) The LUGBZ has organized the 7th edition of the GNU/Linux Installation Party in Bolzano (IT) at February, 28th. Everyone interested in this event is welcome.
Workshop: Introduction to Shell Scripting(26 April 2003) The LUGBZ is organizing an introduction to Shell Scripting. We invite everyone to partecipate. More informations can be found on the Workshops page of the LUGBZ. The slides can be seen here.
Workshop: Introduction to sed and awk(25 January 2003) The LUGBZ is organizing an introduction to sed and awk. We invite everyone to partecipate. More informations can be found on the Workshops page of the LUGBZ.
sed-tutorium v0.7(08 January 2003) The German introduction to sed has reached version 0.7. I really don't know when version 0.6 came out. Do you?
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Linux Day in Bolzano(23 November 2002) The Linux User Group Bolzano holds its second Linux Day. Several speaker were engaged who talks in German or italian language. You can read more on the dedicated page of the LUGBZ.
sed-tutorium v0.5(08 September 2002) The German introduction to sed has reached version 0.5. It contains some small changes and error corrections.
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Hack-it 2002(21 June 2002) This year the italian Hacker Meeting, hack-it 2002 was helt in Bologna. Here are a few photos I made.
Virtual Domains with Exim + Courier-IMAP + MySQL(24 May 2002) Lately I had to set up a mail-server for virtual domains, and I wrote down some notes about this type of setup.
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Photoalbum(31 May 2002) Finally I got enough images to put them online.
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This site goes online(10 March 2002) Since I'm in a CSS-fever, this pages use CSS in a exhaustive way. Sorry for any inconvenience with older browsers. (This pages have been tested with lynx though.)