Linux Working Group Agenda

Meeting Date

  • Friday February 12th, 2pm in DC 2314

Attendees

  • Dawn Keenan, Guoxiang Shen, Stephen Nickerson, Fraser Gunn, Lawrence Folland, Ronaldo Garcia

Agenda

  • setup to ensure consistency of xhier packages in a region or group
    • current practice on Linux servers is to deliberately exclude all admin, regional requests and manually add packages to local requests as needed
      • manual work to maintain consistent environment: add new servers to a group, take a server out for temporary maintenance and ensure all software available on all servers in the region
      • recommendation from discussions among Bill, Dave, Dawn to either
        • use admin, regional requests normally and only provide packages required on the relevant arch master, or
        • have an arch-specific "exclude these packages" list for admin/arch and region/arch conflicts
    • Guoxiang suggests that the way it's been done is to use only local requests and then manually install packages desired
      • add file to regional requests
    • what packages do we actually need under xhier?
      • accounts, Maple, Matlab
      • sometimes packages that are available at a newer release of Ubuntu than we have on a given machine

  • setup to ensure consistency of Debian packages in a region or group
    • great difference amongst the machines that are currently in the teaching environment
      • have had to manually update machines and repeat
    • suggestions, ideas ?
      • some configuration managers out there: cfengine, puppet
    • possibility of leveraging xhier structure
      • create Xhier package of a list of Debian "super" packages (eg: MySQL, but not list all of its dependencies)
      • issues of uninstalling Xhier packages, when including Debian packages
        • current wrapper uninstalls everything, installs package, then re-installs everything
    • procedures, tools required
    • USG working on list of software packages on teaching servers and then replicate on core environment

  • status of current work in student environment
    • Ubuntu 8
      • front-end servers and cpu servers (1 - cpu06)
      • every Thursday night Marmoset server falls over
      • would like to have another CPU server added to the environment this term
      • Marmoset can be load-balanced, but there is only 1 Linux machine
      • cpu04 being worked on by Dave? - can someone else work on it? ST#70441
    • workstation support
      • Graphics Lab - latest cards not recognized under 8.04, but does under 9.10
      • others awaiting deployment: SE lab, former Nortel lab
      • consultant working on timeout issues during GUI login, secure mounting of $HOME
  • time line for student, core Ubuntu 9 "fully supported" rollout (server and workstation)
    • want to have a fully-functional student environment Ubuntu 9 a month ahead of the first lectures of Spring Term
      • ie: April 1, 2010 ("brick wall deadline!")
    • no Ubuntu 9 machine currently available, need one ASAP
    • what hardware is assigned for the project? - Dave?
      • Dawn will check with Dave for getting a sandbox system for new Ubuntu 9.10
      • maybe just get a basic PC to use: Fraser to help Guoxiang get setup
      • new workstations for Graphics Lab evergreening are available

  • status of Active Directory usage for Ubuntu 9
    • can't be completely on the AD because cannot abandon Solaris
      • may need to continue to force password updates on Solaris 8 servers or use new web interface

  • password migration unix -> passwords
    • issues with inconsistent rules between unix and AD, plus Nexus/WatIAM
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Topic revision: r5 - 2012-09-06 - BillInce
 
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