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Jon ‘maddog’ Hall

Linux Journal

  • IP Voice 2008 - Lisbon, Portugal - March 5th to 6th, 2008 -

    IP Voice 2008 ( will be held in Lisbon, Portugal on March 5th to 6th, 2008, and with the main audience of this conference being targeted to enterprise customers and communication carriers.

    There have been a number of Open Software Phone projects that have happened in the past year and which continue to move forward: more>>

  • Linux Foundation Collaboration Summit - Austin, Texas - April 8th to 10th, 2008 -

    Unlike a lot of the events that I discuss in my Blog, the Linux Foundation Collaboration Summit is a "by invitation only" event with a twist. Normally for "invitation only events", the potential attendee sits by the phone with their prom clothes on, waiting for the call that may or may not come. more>>

  • Campus Party, February 11-17, 2008, Sao Paulo, Brazil -

    After speaking at the Florida Linux Show on February 11th, I return ever-so-briefly to the New England area to re-pack my bags and head for Sao Paulo, Brazil to attend Campus Party (February 11th to 17th, 2008). more>>

  • LPI Community Corner

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    Richard Stallman’s Blog

  • Home of the brave -

    The thug who accosted Danielle Watts had no legal basis to do so, and he handcuffed for calmly exercising the legal rights everyone is supposed to have in the US.

    Three cheers for Danielle Watts!

  • Walmart dumps cost of uniforms on workers -

    Walmart is dumping the cost of new uniforms on its workers by calling the uniforms a "dress code".

  • Thug tases teenage driver -

    A thug tased a teenage driver, apparently because the car's electric window on the passenger side did not open. Dragged out of the car, the driver's head seems to have hit the ground, causing a grave brain injury.

    This is unremarkable in the US, but this teenager was not a mere citizen. He was the son of another thug. So shit is hitting the fan.

    I hope that kid gets justice, but it won't be a lot of justice if it applies only when the victim is the child of a thug.

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    Sérgio Amadeu


  • Descobertos e (re)misturados - Este artigo foi escrito por Fabianne Balvedi originalmente para a edição n.45 da Revista ABCDesign, codinome “Origens” ( ) Era junho de 2004, e eu estava em uma das apresentações mais badaladas do FISL V – Quinto Fórum Internacional Software Livre. Apesar de trabalhar com programas de código aberto desde 2001, fazia muito pouco [...]
  • CANDIDATO dos TUCANOS DEFENDEU TRABALHO INFANTIL. JUSTIÇA COMPROVA - Jonas Donizete, desesperado, despreparado, orientado pelos mesmos marketeiros de Alckmin e Serra, tentou nos programas de TV dizer que nunca tinha apresentado nenhum projeto favorável ao trabalho infantil. Como não conseguiu impedir o acesso ao projeto de lei 9236/1997, de sua autoria, no site Câmara de Vereadores, solicitou à Jutiça Eleitoral o bloqueio das denuncias, [...]
  • JONAS DONIZETE, DO PSB, DEFENDE TRABALHO INFANTIL - Jonas Donizete, candidato de Alckmin e dos tucanos a Prefeitura de Campinas, apoiado por Luiza Erundina, apresentou o vergonhoso projeto que defende trabalho de crianças a partir de 7 anos de idade. O pior é que ele mente na TV e diz que nunca apresentou o projeto. Ele aposta na ignorância. Então, desafio ele e [...]
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    GNU`s News

  • FSF Blogs: Tor Challenge hits it out of the park -

    Tor is a publicly accessible, free software-based system for anonymizing Internet traffic. It relies on thousands of computers around the world called relays, which route traffic in tricky ways to dodge spying. The more relays, the stronger and faster the network.

    We'd like to warmly thank our allies at the Electronic Frontier Foundation for organizing the Tor Challenge and inviting us to join them in promoting it. And most of all, thanks to the 1,635 of you who started a relay! (The FSF would have started one too, but we've already been running ours for a while.)

    The Tor Challenge has already been successful, but that doesn't mean it's too late to start a Tor relay! You can get started from the Challenge's beautifully-designed Web site.

    To see stats and graphs about the Tor Challenge, read the EFF's post.

    To learn about more tools and actions you can take to secure privacy for yourself and your community, see the FSF's bulk surveillance page. For a discussion of pushing back bulk surveillance on a mass scale, read Richard Stallman's article "How Much Surveillance Can Democracy Withstand?".

  • FSF Events: GNU Guix organizes on-line hackathon (#guix IRC channel, Freenode) -

    The hackathon will take place primarily on-line, on the #guix IRC channel on Freenode. We have started collecting a list of hacking ideas. Feel free to stop by and make more suggestions!

    The hackathon is accessible to anyone with experience in GNU/Linux packaging or systems hacking. Scheme programmers will find additional things to work on in the tool set. Finally, we will also be welcoming newcomers and helping them get started.

    This is a followup to last year's hackathon, organized for GNU's 30th anniversary.

    About GNU Guix:

    GNU Guix is the functional package manager for the GNU system, and a distribution thereof.
    In addition to standard package management features, Guix supports transactional upgrades and roll-backs, unprivileged package management, per-user profiles, and garbage collection. It also offers a declarative approach to operating system configuration management. Guix uses low-level mechanisms from the Nix package manager, with Guile Scheme programming interfaces.
    At this stage the distribution can be used on an i686 or x86_64 machine. It is also possible to use Guix on top of an already installed GNU/Linux system, including on mips64el.
  • parallel @ Savannah: GNU Parallel 20140922 ('Scotland') released -

    GNU Parallel 20140922 ('Scotland') has been released. It is available for download at:

    Haiku of the month:

    bash for loops vanquished
    jobs fan out over network
    collated results!

    New in this release:

    • If the file give as --sshloginfile is changed it will be re-read when a job finishes though at most once per second. This makes it possible to add and remove hosts while running.
    • Bug fixes and man page updates.

    GNU Parallel - For people who live life in the parallel lane.

    About GNU Parallel

    GNU Parallel is a shell tool for executing jobs in parallel using one or more computers. A job is can be a single command or a small script that has to be run for each of the lines in the input. The typical input is a list of files, a list of hosts, a list of users, a list of URLs, or a list of tables. A job can also be a command that reads from a pipe. GNU Parallel can then split the input and pipe it into commands in parallel.

    If you use xargs and tee today you will find GNU Parallel very easy to use as GNU Parallel is written to have the same options as xargs. If you write loops in shell, you will find GNU Parallel may be able to replace most of the loops and make them run faster by running several jobs in parallel. GNU Parallel can even replace nested loops.

    GNU Parallel makes sure output from the commands is the same output as you would get had you run the commands sequentially. This makes it possible to use output from GNU Parallel as input for other programs.

    You can find more about GNU Parallel at:

    You can install GNU Parallel in just 10 seconds with: (wget -O - || curl | bash

    Watch the intro video on

    Walk through the tutorial (man parallel_tutorial). Your commandline will love you for it.

    When using programs that use GNU Parallel to process data for publication please cite:

    O. Tange (2011): GNU Parallel - The Command-Line Power Tool, ;login: The USENIX Magazine, February 2011:42-47.

    About GNU SQL

    GNU sql aims to give a simple, unified interface for accessing databases through all the different databases' command line clients. So far the focus has been on giving a common way to specify login information (protocol, username, password, hostname, and port number), size (database and table size), and running queries.

    The database is addressed using a DBURL. If commands are left out you will get that database's interactive shell.

    When using GNU SQL for a publication please cite:

    O. Tange (2011): GNU SQL - A Command Line Tool for Accessing Different Databases Using DBURLs, ;login: The USENIX Magazine, April 2011:29-32.

    About GNU Niceload

    GNU niceload slows down a program when the computer load average (or other system activity) is above a certain limit. When the limit is reached the program will be suspended for some time. If the limit is a soft limit the program will be allowed to run for short amounts of time before being suspended again. If the limit is a hard limit the program will only be allowed to run when the system is below the limit.

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    Debian Project News

  • Debian Day 2014 - Debian Day is celebrated on August 16 of each year and this year it falls on a Saturday. So far it looks as if sixteen towns or cities in six countries will be celebrating Debian Day in 2014. If you have a celebration planned, please register on the wiki and add a page about it. If you don't yet have one planned, why not join us in celebrating Debian?
  • Help needed with ejabberd testing - If you are a user of the ejabberd package (an XMPP server), Philipp Huebner is looking for help testing the latest version which he recently uploaded.
  • 2014-Debian Developers per Country - Christian Perrier's annual report on the number of Debian Developers per Country has been updated for 2014. The report includes data for each year from 2009 to the present.