Bruno Unna

Nullum magnum ingenium sine mixtura dementiae fuit - Seneca

Archives for: May 2005

05/30/05

Permalink 12:44:33 pm, by Bruno Email , 69 words, 842 views   English (US)
Categories: Computing

ssh X11 forwarding in xorg (Gentoo)

I've just learned something really useful. If you want to do ssh X11 forwarding (at least in Gentoo) you have to activate that capability in the sshd configuration file (/etc/ssh/sshd_config):

X11Forwarding yes

Please note that this is not equivalent to the ForwardX11 flag for the ssh client. Besides, the program xauth has to be installed as well.

Good to know, thanks go to Jay Kline.

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05/20/05

Permalink 04:03:34 pm, by Bruno Email , 95 words, 102 views   English (US)
Categories: Computing

Gentoo

I've spent the last two days installing Gentoo 2005.0 in my machine. It has been an inspiring experience, which necessity was brought out by SUSE 9.3's misbehaviour.

In the end, however, I had to return to SUSE because fine tuning the details in Gentoo was taking much more time than what I would like to invest in that task.

For the record: Gentoo is perhaps the Linux distribution I've enjoyed the most. It is the distribution for me: it is flexible, it is (when finally running) breathtaking fast, it does not treat me like I'm stupid.

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05/16/05

Permalink 03:32:59 pm, by Bruno Email , 73 words, 129 views   English (US)
Categories: Announcements

Ceneval is never in a hurry

It is amazing how inefficient the Ceneval can be. It is more than one month ago that I paid the fee for the verbal examination, and -they say- the jury has not been able to come up with a date for the interview.

Even worse is the fact that they have no time frame. If it takes the jury 10 years to get an agreement, bad luck for me. I sincerely find it repulsive.

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05/13/05

Permalink 05:26:13 pm, by Bruno Email , 253 words, 240 views   English (US)
Categories: Computing

Issue tracking systems

Tried to install ITracker, with awful results. Even though I created the DataSource exactly as directed, and I tried with hsqld, with PostgreSQL, with MySQL, I wasn't able to make the application find its tables. A traumatic experience, this ITracker.

Another traumatic experience I have had with Trac. Trac depends on the following software: Subversion w/Python bindings, Clearsilver, SQLite w/Python bindings. Syntax coloring requires GNU Enscript and/or SilverCity. And the SUSE 9.2 I tried to install it upen has SQLite 2.x, which is not good enough for Trac to compile. I got tired and abandoned it.

Trying eGroupware, I found that the rpm is not generic, it is thought to be installed under /var/http... So I tried the tar.bz2 file instead.

The tar.bz2 file worked all right. There are lots of applications. The one we are currently most interested in is the Trouble Ticket System. But there are some other applications that don't behave as nicely as the TTS does. SiteMgr and fudforum are just two examples. The installation gets me this message:

Symlink to sitemgr-link created and sitemgr-link installed
Warning: Cannot modify header information - headers already sent by (output started at /srv/www/htdocs/egroupware/sitemgr/setup/default_records.inc.php:195) in /srv/www/htdocs/egroupware/phpgwapi/inc/class.setup_html.inc.php on line 117

Anyway, I'm not playing with the tool just because I have nothing better to do. I'm going to take from it what I need, hoping the best for the rest of it.

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05/11/05

Permalink 07:00:49 pm, by Bruno Email , 171 words, 112 views   English (US)
Categories: Computing

Issue Dealer installed

I've just installed this tool IssueDealer in IAC server. It looks relatively nice, it looks more or less powerful. I'm not sure whether it is easy to use or not. It is built upon Zope.

The first thing to note is that there is no trivial way to manage the users. I didn't find any place within the tool to manage the users. So I went to the ACL mechanism of Zope.

Effectively, using the ACL mechanism users can be managed. However, I don't quite like it:

  1. Because it is not explained anywhere whithin IssueDealer.

  2. Because there is no way to add an ACL folder to the IssueDealer object.

  3. Because an ACL object can not be copied and pasted into the IssueDealer object.

Thus, I had to create a folder (issue_dealer), whithin which I put the real IssueDealer object (dealer), and the path to get to the application resulted longer than what I would have wished: http://iac.com.mx:18080/issue_dealer/dealer.

I think I will keep exploring alternatives.

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05/10/05

Permalink 07:12:15 pm, by Bruno Email , 79 words, 97 views   English (US)
Categories: Announcements, Computing

Mirroring SUSE

We have a FTP repository with the contents of the SUSE 9.3 DVD. Unfortunately, the contents of the SUSE FTP site is way bigger than what is in the DVD. So we need to setup a mirror of the FTP site, and then update the packages index in order to render it fully usable.

It seems that after setting up the package files, it will be necessary to run create_package_descr, which is supposedly located in package yast2-utils.

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05/05/05

Permalink 12:47:59 pm, by Bruno Email , 285 words, 346 views   English (US)
Categories: Announcements, Computing

A-S-K setup for a specific user

I did setup today the Active Spam Killer for a customer of ours (Autoexpress Frontera Norte).

Of course it is a great tool in the fight against spam. Of course it is the best tool I've found up to date. The problem is that it is by no means trivial to install and configure.

Right now, this is the procedure to follow:

  1. Enter the mail server as root user.


  2. cd to /var/qmail/mailnames/[domain]/[user].


  3. Create directory .ask.


  4. Create file .ask/whitelist.txt with this contents:
    # Sample whitelist
    #
    # For more information, please check:
    # http://www.paganini.net/ask


  5. Create file .ask/blacklist.txt with this contents:
    # Sample blacklist
    #
    # For more information, please check:
    # http://www.paganini.net/ask


  6. Create file .ask/ignorelist.txt with this contents:
    # Sample ignorelist
    #
    # For more information, please check:
    # http://www.paganini.net/ask


  7. Create directories .ask/queue and .ask/tmp.


  8. Recursively copy directory ../../iac.com.mx/bruno/.ask/templates into directory .ask.


  9. Copy file ../../iac.com.mx/bruno/.askrc to this directory.


  10. Edit file .askrc, taking care of the lines rc_mymails, rc_myfullname, rc_mymailbox, rc_mailkey.


  11. Edit file .qmail to look like this:
    | preline /usr/bin/ask.py --loglevel=0 --logfile=/var/qmail/mailnames/[domain]/[user]/ask.log


  12. Recursively change owner/group of this directory to popuser/popuser.


  13. cd to /etc/cron.daily.


  14. Edit file deleteaskqueues.cron to add a line corresponding to the domain/user combination just added.

The tool has an email-based interface, but I consider it insufficient to deal with the daily volume of spam a tipical user has to deal with. Nowadays, a user has to send emails to hersef, with special subject lines. I would prefer my users to have a web interface.

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Bruno Unna

"Music is the space between the notes." Claude Debussy

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  • El reto de exportar servicios

    México tiene al menos tres oportunidades para ascender del 7° lugar del mercado offshore outsourcing de TIC: Select

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  • Technology Business Accelerator

    Programa de Secretaría de Economía administrado por la Fundación México-Estados Unidos para la Ciencia para dar apoyo a Empresas Mexicanas de Alta Tecnología.

    Proximamente: Inauguración TechBA Austin el día 5 de diciembre, 2005

    Interesante Tutorial:
    Conoce como puede estar lista tu empresa para el Mercado Global con el Tutorial "Getting Ready for the Global Market"

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  • Valley-Mexico mentoring grooms firms for growth

    By Matt Marshall
    Mercury News

    When Alberto Herrera started his own tech company in Tijuana two years ago, he was confident he had the knowledge to take on the risk.

    His team had worked at Panasonic's office in the Mexican border city and had the technical expertise to craft a new kind of wireless sensor network -- one that can be used for hotel room key cards and turn on the heating system once a customer has entered his or her room.

    But Herrera didn't have contacts with venture capitalists and didn't know how to spiff up a business plan.

    That changed last year, once his company, Medida, started working with the Mexico-Silicon Valley Technology Business Accelerator (TechBA for short) in San Jose, funded by an annual $6 million grant from the Mexican government.

    TechBA assigned a special adviser to Medida, to mentor it in Silicon Valley's arcane ways.

    The help is part of an effort by the Mexican government to jump-start its technology economy -- in part through better connections to leading tech centers like Silicon Valley and their entrepreneurial cultures and practices.

    Mexico's domestic information technology and software market totals more than $3 billion a year and has 2,095 companies, according to its economics ministry.

    Mexico exports about $400 million in technology services each year to the United States, about half in business process outsourcing, half in software outsourcing. But Mexico wants to do more than supply its northern neighbor with a cheap source of labor, says Jorge Zavala, chief executive of TechBA. ``The question is, how do we switch from low value-added services and move into information technology?''

    The goal of TechBA, he said, is to help create Mexican companies that own their own technology, and to export $5 billion in technology and other services by 2012.

    In Herrara's case, TechBA appointed a mentor -- Adolpho Nemirosky, an Argentine entrepreneur who has worked in the valley's semiconductor and telecom industries for 13 years. He had co-founded a venture-backed company, Xtreme Logic, and was eager to help others. He is paid a stipend by TechBA.

    His help has already gone a long way. Nemirosky taught Herrera how to make an elevator pitch -- that is, a two- to five-minute synopsis of his company, tailored for impatient investors. He advised him to focus on specific areas, such as sensor systems for hotels and for entertainment software. And he took Herrera to meet with some professors at the University of California-Berkeley, where Herrera was able to secure a technology adviser.

    To top it off, Nemirosky groomed Herrera to present to venture capitalists Tuesday evening at an event hosted by TechBA and an angel group called Silicom Ventures. Besides the investors, a live audience of more than 200 people looked on. And Herrara performed well enough that three of four venture capitalists invited him to talk with them further. ``I'm very pleased with him,'' Nemirosky said of his protege.

    Currently, 40 companies participate in the TechBA program, and the group recently announced its first tangible success: Mexican company JackBe. The company, which has created Web sites for Sears and Citigroup's Mexico operations, raised $6.5 million in venture capital funding in November -- the first Mexican tech company to raise venture capital from the United States, according to TechBA's Zavala.

    There are other signs of late that the U.S. venture capital market is waking to not only to Mexico, the world's ninth largest economy, but also to the fast-growing Hispanic market in this country.

    Sausalito venture firm Sienna Ventures is now raising $100 million for its newest fund to focus on the Hispanic market.

    Herrera's company, Medida, meanwhile, is expanding in the United States. It has $1 million in revenue after a year's work, 10 employees and an office in San Jose, where employees can drop in from Tijuana. Silicon Valley is a good place to develop contacts for customers, said Herrera.

    ``We've gained visibility that would otherwise be very hard to get,'' he said.

    One of his customers is XaviX, which makes interactive sports games and also has offices in San Jose. Medida provides XaviX wireless sensors for its newest fly-fishing game -- where the sensor detects when game players flick their wrists and feeds information back to the game.

    Mexico is just the latest country trying to develop a network here in Silicon Valley.

    Gadi Behar, managing director of Israeli-focused Silicom Ventures, has reached out to groups from Canada, Argentina, Brazil, the Netherlands and Hawaii, offering help such as crash courses on Silicon Valley's business culture. ``They all want access to Silicon Valley,'' agreed Michelle Messina, a public relations professional who has also helped companies in these groups.
    Contact Matt Marshall at 408-920-5920 or via his blog at www.SiliconBeat.com

    © 2006 MercuryNews.com and wire service sources. All Rights Reserved.
    http://www.siliconvalley.com

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  • What Are Google AdWords

    A nice article Sebastian found and sent.

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  • Novell Learning Center

    Creo que deberíamos familiarizarnos con este material antes de embarcarnos más a fondo en la aventura de dar servicios alrededor de Novell.

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Interesting blogs

  • Finding Signals in the Noise

    Finding Signals in the Noise
    Digg, Memeorandum, Findory, Blogniscient, and other startups promise to manage news overload on the Web.

    Few would dispute that we live in an age of information overload. In the last few years alone, blogs have increased the torrent of information each day to unmanageable levels.
    This would explain, then, why a corresponding torrent of startups has surfaced recently to help us filter, manage, and control this flood of information. Some rely on insightful algorithms that understand popularity to filter the news, while others rely on the preferences of readers.

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  • Big Media, Little Blogosphere

    There aren't yet enough quality pages to satisfy advertisers' hunger for a blog presence

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