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All Linux lovers, and supporters of open source code and free software, in the Kanto area (or anywhere else) are invited to attend the next Tokyo Linux Users Group meeting. Membership is open to anyone. There are currently no membership dues or entrance fees.

TLUG meetings are traditionally small and unstructured (VERY CASUAL). Most of the benefit of the meeting comes from chatting with other Linux users and having informal discussions.

As a general rule, the Technical Meetings are held on the 2nd Saturday of odd-numbered months and the Nomikai Meetings are usually held on the 2nd Friday of even-numbered months. There are, of course, exceptions to this rule, so it is best to keep an eye on the mailing list, or check back here for date/venue changes as the date approaches.

Technical Meeting


May 10, 2014 (Saturday)


14:00-17:00 (doors open 13:30)


IIJ - Internet Initiative Japan
Jinbo-cho Mitsui Bldg.
1-105 Kanda Jinbo-cho
Chiyoda-ku, Tokyo 101-0051



Living on the command line (by Kalin Kozhuharov)

Ninja skillz for emergency Data Analytics or how to stay in command of when something hits the fan...

What do you do when, out of the blue, you sense emergency in the air, but you have no exact idea what is coming, from where it is going to hit you and since when it has been lurking? You get the data, all the data you can, and analyze it to extract information. You may already have the data, but in hard-to-digest form, spread among people, servers and some backup tapes. Or you may not, so you have to go out and collect it first. Then analyze it. But not in emergency! You have to do all at once, with no sleep, some food and more caffeine, completely out of control most of the time. I help clients with security issues as may day (night?) job, digging into all kinds of (legacy) systems, trying to understand what happened (fancy named Digital Forensics), when and eventually who did it. I have to deal with all kinds of data, stored in multitude of (first seen this) formats/media, most of it _very_ badly formatted/(not) cleansed or simply missing. Usually starting on a Friday night, when most sysadmins had already had more than enough alcohol in their bloodstream to be useful.

To cope with all I use the COMMAND LINE, hell I live on the command line!

I grep with fancy regex-es, cut and sort, while forking many finds and shove data up pipes of all kind and visualize data in gnuplot. To glue all that I use Bash and Perl and Vim.

After 3/11, LoL, I got involved with Safecast in another emergency - understanding what happened in Fukushima Dai-ichi NPP. I used more or less the same methods and since data is public, I'll use it in a demo of CLI approaches to Data Analytics. We'll analyze and visualize some of the data with some ninja tricks, stay alert!

Linux Quiz (by Travis Cardwell)

Would you like to explore and expand your knowledge of Linux? The Linux Quiz will be an interactive discussion where people of all experience levels, from beginners to seasoned sysadmins, can ask questions and share their knowledge about all things Linux in a friendly, non-competitive atmosphere.


After the presentations we will go for drinks at Za Watami Jinbocho

1-1-13 Kanda-Jinbocho Sanseido Shoten, Dai-2 Anex Bld 3F Chiyoda-ku, Tokyo

Other items on the agenda
  1. Introduction of new members
  2. News about Linux/Open Source, general announcements, Q&A
  3. Auction (bring any gear that would would like to donate to TLUG)

Contact Info

For directions or information before the meeting, call:

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