Linux Working Group

Meeting Date

• TEAMS: 2021-05-18

Invitees - Attendees

• Dave, Adrian, Anthony, Clayton, Fraser, Lori, Nathan, Nick, Todd

Review and accept previous meeting minutes.

Proposed Agenda Items

DNS housecleaning

• dlgawley
• Clean up 129.97.167.64/26

devolve bs202, bs204, bs206

• Replace with new 3-building cluster in containers
• sync/manage with saltstack
• Try to have tftp service in building local to client (cut down on switch hops)
• http boot option for new hardware
• Contact IST to manage/update DHCP helpers
• INF has separate PXE boot service
• Due by end of August

Thin client startup requirements

• ctucker
• also has NFS service

Realtime lab tftpboot requirements

• fhgunn

ssh connection reliability and timeouts

• monitor and report
• stale mosh sessions
• haproxy cannot do mosh
• haproxy load balance ssh? Smart about load? Other attributes? Stickyness
• linux.cs pointer to 20.04

July 17 power outage

• Move server to MC1061
• Networking for SCS in MC1061 that does not depend on MC3015
• Move hosted websites/can haproxy have an additional node in MC1061? Nope. Turn everything off and put up static page
• Who does what? dlgawley
• Update packages/OS around the outage

Various servers

• ubuntu2004-102 is a KVM: networking updated on hs100
• networking on dc-202 (ctucker): please check

Source and what lookup Histograms of CSCF DNS queries

how do we survey Profs (bumped to meeting Omar is attending)

• POC talk to the people they support.
  • POC are spread very thin and getting thinner.
• ISG feedback
  • doesn't cover higher level course.