Linux Working Group

Invitees - Attendees

• Adrian, Anthony (group leader), Clayton, Guoxiang, Lori, Fraser, Devon, Nathan, Nick, Todd, Dave, Lawrence, Omar

Review and accept previous meeting minutes.

• CsLWGMeeting20220126

Last meeting's tasks [10 minutes]

• Anthony/Adrian - work on new postfix recipe to have servers send mail out directly - RT#1204074
  • Anthony currently discussing with IST security group who are talking to Mail service people
  • getting ready to have a one line change
• Clayton - document process of adding hosts to AD and move to a generally accessible place
  • working on the scripting before wanting to publish
  • looking to add some "tricks"
• Devon - create ticket to document power issues to show Plant Operations - done? Anthony will follow-up -> RT#1206808
  • can we actually quantify the cost of this bad power?
  • Devon has created documentation about the fluctuation
  • summary - the fluctuation seems to be within the "normal operating parameters"
  • what if PlantOps "fixed" the power fluctuations?
    • $90/battery pack
  • where to go next?
    • perhaps stop worrying about the normal power fluctuations
    • how to avoid big spikes when power turns back on?
      • can sometimes avoid by shutting off breakers when power goes down
      • but often at odd times
    • hopefully can be avoided in the development of Math4
• Guoxiang & Dave to discuss with Hari and Robyn maintenance of the NetApp
  • included in the budget proposal
  • MFCF is agreeable to us using it
• Lawrence / RSG - update jerusalem and graceland to mount new NFS share - RT#1194157
  • still not done

Inventory [30 minutes]

• All - fix 5 inventory records and report next meeting on patterns of wrongness. * Anthony went and fixed a number of inventory records
• What was fixed?
• What if any patterns of wrongness were observed?
  • Admin contact is not set on > 90% of inventory records
• discussion of why there is a difference between Admin Contact and the DNS Contact?
  • DNS Contact is a distribution list of people who should be alerted if there is a problem
  • Admin contact is an individual responsible for the machine (and of the DNS Contact people could/would speak to the Admin Contact)
• Host Index discussion
  • https://cs.uwaterloo.ca/cscf/internal/infrastructure/inventory/virtual-host-index/
  • could it scrape the Admin contact out of inventory?
  • new version will read the container configuration and display it
  • Also will have links to Icinga
  • can we have a Beta page for the new version?
• Out-of-Band server
  • where are we at?
  • need memory

Action Items for next meeting

• Anthony/Adrian - work on new postfix recipe to have servers send mail out directly - RT#1204074
• Clayton - document process of adding hosts to AD and move to a generally accessible place
• Guoxiang & Dave to discuss with Hari and Robyn maintenance of the NetApp
• Lawrence / RSG - update jerusalem and graceland to mount new NFS share - RT#1194157
• All - continue with: fix 5 inventory records and report next meeting on patterns of wrongness.
• Dave - put up Beta version of Virtual Host Index