Flavio Castelli

Debugging my life

May 5, 2006 - 1 minute read - Comments - howto

iBook mouse emulation

In this really small guide you’ll discover howto enable mouse button emulation on a iBook G4 running linux Target: I just wanted to enable mouse button emulation on my iBook using the following shortcuts: fn + ctrl = middle mouse button fn + alt = left mouse button Requisites: You’ve to enable CONFIG_MAC_EMUMOUSEBTN in your kernel. Commands: In order to enable this shortcut at every boot add the following lines to your /etc/sysctl.

Apr 1, 2006 - 1 minute read - Comments - Italy Linux Day

Linux on console

These slides are about linux and modern console The article focuses on the installation of linux over some modern console like: Sega Dreamcast™ Sony Playstation 2 ™ Microsoft Xbox™ The presentation focuses mostly on the Xbox™ case. Linux consoleView more presentations from Flavio Castelli.

Feb 16, 2006 - 2 minute read - Comments - python

Svn commit helper

Svn-commit is a command line utility for making rapid commit with subversion. Suppose you’re working on your local copy of a subversion project. If you forget to run commands like svn del file or svn add file each time you add or remove a file, when you’ll try to commit your working copy you’ll obtain something like this: ? file: for each file/directory that isn’t under the revision system !

Feb 16, 2006 - 2 minute read - Comments - c++

Regexp with boost

How can you add regular expressions to C++? Here you’re three small examples. Pattern matching In this example you’ll find how you can match a regexp in a string. {% codeblock [pattern matching] [lang:c++ ] %} // Created by Flavio Castelli // distrubuted under GPL v2 license #include #include int main() { boost::regex pattern (“bg|olug”,boost::regex_constants::icase|boost::regex_constants::perl); std::string stringa (“Searching for BsLug”); if (boost::regex_search (stringa, pattern, boost::regex_constants::format_perl)) printf (“found\n”); else printf(“not found\n”);

Feb 15, 2006 - 1 minute read - Comments - bash

Svn cleaner

This simple program removes recursively all .svn directories. Requirements: In order to run remove-svn requires python. Synopsis: remove-svn syntax is: remove-svn dir in this way remove-svn will recursively remove all .svn directories found under dir. An example: remove-svnpwd`` UPDATE A faster way for removing .svn file through this simple bash command: find ./ -name *svn* | xargs rm -rf The old script has been removed.

Jan 1, 2006 - 1 minute read - Comments - c++ qt

QtCanvas

Finally qtcanvas classes are available for Qt 4 series This isn’t the final version of qtcanvas, it’s only a backport of the original classes shipped with Qt3. So what’s the difference between this qtcanvas and qt3canvas (available only through Qt3 support with Qt4)? Simple this version works with all open-source versions of Qt >= 4.1.0!! In this way you can use qtcanvas also under windows (before it wasn’t possible with the open-source edition).

Dec 8, 2005 - 2 minute read - Comments - perl

Gentoo documentation checker

gen-docheck is a useful tool for the gentoo italian translation team. gen-dockeck compares the version number of english document and italian translation. In this way you can watch the status of one or more guides, keeping the translations updated. Features: mail notification support (straight to guide’s translator or to a specified address) filter guides using regular expressions Requirements: gen-dockeck requires: perl perl module LWP::Simple (under debian is provided by libwww-perl) perl module Net::SMTP perl module Getopt::Long (usually available by default with all perl installation) perl module Pod::Usage (usually available by default with all perl installation) Synopsis: gen-docheck syntax: gen-docheck [--help] [--man] [--config configuration file] for more informations read the man page: gen-docheck --manan

Dec 8, 2005 - 1 minute read - Comments - bash

Howto edit multime id3 tags from command line

Goal id3medit is a simple script for tagging all mp3/ogg files present in a directory. Requirements: id3medit relies on id3v2, a command-line tool for editing id3v2 tags file names must be in format: ’## - trackname.ext’. Where ## is track’s number, and ext is file’s extension (mp3 or ogg in case insensitive format) Synopsis: id3medit syntax is: id3medit artist album year(*) genre(*) Where * denotes optional arguments You can obtain genre identification number in this way: id3v2 -L | grep -i genre

Aug 12, 2005 - 1 minute read - Comments - Italy

Linux and cryptography

A speech about cryptography and linux. This speech is about: crypted email with gnupg crypted file system avaible under linux, an overview and a comparison of loop-AES , cryptoloop, dm-crypt, bestcrypt creation of a full crypted file-system, root included. The most interesting feature is system’s boot sequence, which uses a usb token for authenticating users Seminario crittografia-linux-day-2004View more presentations from Flavio Castelli.