Columbia-Area Linux Users Group

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The Columbia-Area Linux Users Group (CALUG) is a friendly informal group of Columbia-area residents who share an interest in Free and Open Source Software (FOSS) in general, and Linux in particular. The CALUG meets at 7:00PM on the second Wednesday of each month. Like the software that interests us, our meetings are free - and open to everyone.

OmniTI is extending the courtesy of hosting the CALUG meetings at its Fulton Maryland office, conveniently located at:

11830 West Market Place, Suite F
Fulton, MD 20759

Meeting attendees should park in front of the OmniTI building and walk to the back of the building where they can enter thru an entrance labeled 'G' which opens into the meeting room (regular attendees will notice entrance-G is now surrounded by large planters encircling patio tables). You will know you are at the right place if you see otherwise non-threatening muppets engaging in Reservoir Dogs-type activity. OmniTI is located in the office park north-east of the Firestone building, which in turn sits north-east of the Harris Teeter building.

All interested in FOSS are welcome to join the CALUG at our July 13th meeting for a fun and informal exchange of technical knowledge. Berend Tober will be returning to give a fun and interactive presentation of the latest release of his Fairwinds game:

Fairwinds is a multi-player on-line game strategy and math game involving competitive trading on five simulated markets by using the psql client to enter basic SQL commands. Players utilize trading, skills development, and business sense applied in finance, real estate, labor, commodity, and debt markets. Player interaction with the game is by means of structured query language (SQL) statements used to place trade orders and list information about the game and other players activities.

Mr. Tober will present an overview of the game and discuss some design and architecture issues underlying its development. Fairwinds enhancements based on user feedback since the last presentation include:

The second half of the meeting will be devoted to playing the game, so bring your network-enabled computer with the psql client software configured to connect to a Fairwinds database/game-server. Reading the Fairwinds Overview and Fairwinds Tutorial (and - for the mathematically inclined - the Fairwinds Equations reference page) prior to the meeting is highly encouraged since the presentation will reinforce and augment the tutorial. These documents will inform you how to configure your computer for the game and will prepare you to be a competitive player.

Mr. Tober has been a PostgreSQL user for over 15 years. His experience includes both private industry and federal government roles in systems modeling, network administration, software development and database management.

Please join us for pizza and soda between 6:30PM and the 7:00PM start of the meeting. Our pizza is unsponsored this month so we will be asking for donations.

Regarding the scheduling of CALUG presentations; Please contact Chuck Frain if you have a FOSS technology to present to a friendly group in a relaxed environment. The presentation schedule is open and flexible:

If you are interested in giving a talk or have a topic you would like to discuss, please let me know. We can accommodate our traditional one topic meeting or if a few people have shorter presentations or topics, we can do it that way as well. This is a great forum for novice speakers to practice their skills!

Please thank Eddie Roache for his Introduction to Docker presentation at the June CALUG meeting.


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