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  Saint Louis MO - STL Unix Users Group


The Saint Louis Unix Users Group (SLUUG) is an IRS 501c(6) designated not-for-profit professional association dedicated to education and communication among computer users. SLUUG members include many Linux and UNIX professionals, Networking experts, System experts, hobbyists, students, plus many who are interested in Unix, Unix-like Operating Systems, Linux, BSD and other Free Open Source Software (FOSS) applications, products, projects and services.

ONLINE Sessions

  • NO PHYSICAL MEETINGS until further notice.
  • ONLINE session will use remote video service on 12 May 2021.
  • Connection Instructions are here and on our mailing lists.
  • BASE: Upgrading RAID6, Zero Downtime

    While Going From six 2T drives to eight 4T drives

    by Lee_Lammert

    There is a lot of hype about "zero downtime", and many vendors charge boucoup dinero for that sort of hardware capability to have when upgrading a storage array.

    With Linux SoftRAID, however, don't believe the hype - "zero downtime" has nothing to do with hardware!

    This tutorial will cover upgrading a 6x2T SoftRAID array to 6x4T, and then adding two more 4T drives, without any downtime or service interruption.

    Read ahead about RAID and Standard RAID levels

    These sessions might show factors common with both personal and professional computing.

    MAIN: Redhat Kickstart

    by Steven_Gomez

    Red Hat's Kickstart installations offer a means to automate the installation process, either partially or fully. Kickstart files contain answers to all questions normally asked by the installation program, such as what time zone you want the system to use, how the drives should be partitioned, or which packages should be installed. Providing a prepared Kickstart file when the installation begins therefore allows you to perform the installation automatically, without need for any intervention from the user.

    Kickstart features can be an Admin's best friend. This session will present examples of how to use the Kickstart system with RHEL/CentOS platforms to automate the creation of "cookie cutter" systems in an easily repeatable manner. Working examples of various methods of using Kickstarts will be included.

    SLUUG Sponsored meetings in the STL Metro Area

    Monthly Meetings

    We open the room for the general meeting about 6:00 PM.

    Then we start at 6:30 PM with our BASE introductory level session (usually focused on personal computing); which may include either amazing graphical packages, blinking lights, command line wonders, demonstrations of useful applications, displays of newly discovered web sites, major resolution of long standing anomalies, quantum discoveries, smoke and mirrors, superb tutorials, or shifts in both time and space.

    Sometime after 7:00 PM we attempt a quick welcome, introductions, announcements, current events of interest, and a general CALL FOR HELP (Questions and Answers) segment.

    Sometime after 7:30 PM, we may take a short break before our MAIN topic (usually focused on enterprise computing),

    All of our meetings are free and open to the public. There is no individual membership fee.


  • NO PHYSICAL MEETINGS until further notice.
  • ONLINE session will use remote video service.
  • Instructions will be given here when available. They will first be sent to our Mailing Lists.
  • When!

    Wednesday May 12th, 2021

    from 6:30PM till 9:00PM Central Time

    We will open the remote session at about 6:00 PM

    Next scheduled meeting dates

    Past Meetings

    We have been meeting continuously since at least July 1992.

    Contact SLUUG if you have a presentation you would like to have considered for selection.

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