[tech] Tech/Wheel Meeting 2020-12-06 14:00 - One hour reminder

Sun Dec 6 13:13:15 AWST 2020

Hi all,I was hoping to make it in to this one, but my connection down here in at my accommodation near Denmark isn't good enough to call in.My apologies,James [MPT]
-------- Original message --------From: root <root at ucc.gu.uwa.edu.au> Date: 6/12/20  13:00  (GMT+08:00) To: tech at ucc.asn.au Subject: [tech] Tech/Wheel Meeting 2020-12-06 14:00 - One hour reminder Wheel Meeting Agenda - Sunday 2020-12-06 14:00==============================================	- VENUE: UCC Clubroom	  - and online at https://meetings.ucc.asn.au/b/bob-yrk-uy6 ?*Meeting opened xx:xx*## Attendance- Present- Apologies  - [NTU] - may be online  - [THA]- Absent## Next meeting- Schedule next meeting  - what's happening before O-Day 2021-02-19 ?  - ACTION: xxx, who hasn't tried it recently?:    - Update the agenda, update the crontab, check at T-7days that the notice really went out    - Set and verify reminders of next meeting: `motsugo# crontab -e`      - skip the `4day` , unless there's issues at `1week` ?- Curate agenda.next## Standing items (brief)### Visibly reinduct members new (and old?) with the "Wheel Group Ethical Guidelines"  - examining an Ethical Guideline, e.g. asking:    - What's an example situation in which it could be encountered?    - What other guidelines or rules could it conflict with? How would      one resolve it?### Status check: Regular updates, monitoring  - e.g. Debian oldstable 9 "stretch" -> Debian stable 10 "buster"    - find candidates on ocsinventory      - has it stopped reporting versions in Debian 10?        https://ocsinventory.ucc.asn.au/ocsreports/index.php?function=visu_search&fields=HARDWARE-LASTCOME&comp=tall&values=07/07/2020%2007:19&values2=&type_field=  - molmol    - Dead SSD? at Mon  9 Nov 08:00:10 AWST 2020      ```      molmol: /space/scratch/nick>zpool status|grep -C4 DEGRADED      logs        mirror-4                       DEGRADED     0     0     0          ada0p3                       ONLINE       0     0     0          3087349144323640050          UNAVAIL      0     0     0  was /dev/gpt/molmol-slog0      ```    - Upgrade and performance analysis:      1. monitoring: add prometheus metric export      2. iozone performance-and-latency-under-load benchmark      3. enable metaslab debugging mode: https://serverfault.com/questions/511154/zfs-performance-do-i-need-to-keep-free-space-in-a-pool-or-a-file-system      4. iozone performance-and-latency-under-load benchmark      5. OS upgrade      6. iozone performance-and-latency-under-load benchmark### Status check: Backups  - https://lists.ucc.gu.uwa.edu.au/pipermail/tech/2020-December/005410.html  - Legacy backups: mollitz      - Prometheus metrics for uccmonitor (assistance welcome)        - hopefully just a https://gitlab.ucc.asn.au/ucc-systems/ansiblemonitoring away      - a proper packaged install of its old tools like megaclisas-status (assistance welcome)  - New backups    - ACTION: [NTU] order drives### Status check: Password/Key rotations  - https://en.wikipedia.org/wiki/Pro_re_nata  - time for a `john(8)` run## ..._then_ New wheel members, additions, nominations- Welcome to wheel!  - Read /home/wheel/docs/WelcomeToWheel- winadmin, sprocket  - [BRD]@2020-08-13 `uid=12426(bird) gid=10021(gumby) groups=10021(gumby),10069(committee),12203(door),666(winadmin),777(sprocket)`  - `uid=12469(hilmi) gid=10021(gumby) groups=10021(gumby)`## New Matters- [TRS]@2020-11-03: SOGo ( https://sogo.nu/ ) has been down for a while too  - [NTU] molmol had stopped responding - out of memory and the wrong thing got killed?    - remote power cycle of molmol    - OOM possibly triggered by rdiff-backup on huge files?      - ACTION: [???] clean up the huge files, see `mollitz:/backups/log`    - is SOGo working again?      - ACTION: [???] can we add a prometheus+grafana health check for SOGo?## Matters arising previously- ACTION: xxx, who hasn't tried it recently?: Set and verify reminders of next meeting: `motsugo# crontab -e`- ACTION: DONE? [MTL]+[MPT] poking zonemake.py and its API-driven replacements and children  - ACTION: DONE? [MPT] cf_tools / zonemake.py / octodns: generate API tokens for uccpass  - https://lists.ucc.gu.uwa.edu.au/pipermail/tech/2020-December/005411.html  - [NTU] How can internal-only proxmox cluster VM hosts automate new letsencrypt certs?- ACTION: [MTL] to look at UCC web reverse proxies- ACTION: [MPT] UWA IT liason: matrix test domain- ACTION: [MPT] update https://wiki.ucc.asn.au/Network with latest traffic paths- ACTION: [TEC] to look at dashboards for murasoi network traffic  - [NTU] can it capture when bulk TCP resets are sent by upstream connection-tracking routers?    - graph the age of existing non-LAN connections, look for spikes to zero?    - graph new connections, look for spikes?*Meeting closed xx:xx*----```# https://demo.codimd.org/Hlsapf47RsqpgIjqLVfMUwcd /home/wheel/docs/meetingsCODIMD_SERVER=https://demo.codimd.org codimd export --md Hlsapf47RsqpgIjqLVfMUw ./$(date +%Y-%m-%d).txtgit commit -a "minutes"```# vim: tabstop=4 shiftwidth=4 expandtab_______________________________________________List Archives: http://lists.ucc.asn.au/pipermail/techUnsubscribe here: https://lists.ucc.gu.uwa.edu.au/mailman/options/tech/jimbo%40ucc.asn.au
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