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meetings_notes/engineering_meeting_24-09-02.md

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+<h1>Engineering Circle Meeting 2024-09-02 </h1>
+
+<h2>Table of Contents</h2>
+
+- [Attendees](#attendees)
+- [Todo](#todo)
+- [Main Content](#main-content)
+
+---
+
+## Attendees
+
+- Kristof
+- Ahmed
+- Scott
+- Mik
+- Lee
+- Jan
+
+## Todo
+
+- Farmerbot disclaimer
+  - situation
+    - farmers need to acknolwedge that Farmerbot issues aren't the responsibility of TF
+    - Scott is overseeing this
+- Major updates
+  - need a stricter process to avoid problems
+    - Whitelist
+    - Jan and Maxime will check how to build the new ZOS properly
+      - make sure it works on newer Linux 24.04
+- ZOS hardware and software
+  - current zos running on old hardware
+  - need to test on different hardware
+    - Sabrina is checking this with Belgium team 
+- grid stack
+  - load balancing
+    - WIP by Bert
+  - validator code
+    - WIP by Bert
+- VM issues reported: can ping but not SSH
+  - Scott will make a ticket to see what is the issue+fix
+
+## Main Content
+
+The following are draft notes. See Todo section for specific tasks.
+
+- grid full stack
+  - done
+    - grid backend stack
+    - hub & bootstrap hub
+  - WIP
+    - load balancing
+    - validator code
+- TFChain
+  - being deployed today
+- Updates
+  - have a specific process to do updates
+  - to avoid:
+    - nothing automatically can go in production ever
+    - always work with roll-out mode
+  - details
+    - over next days, update process
+        - set up a blocker created now an roll-out
+          - start on 10 machines
+        - specs:
+          - no automatic updates
+          - full control over the updates
+        - e.g. 
+          - zos need to check something, check on GH, etc.
+            - goal: to have more control defined
+      - proposition
+        - something simple
+          - e.g. whitelist
+            - if you're not on the whitelist, you can't upgrade
+            - need multiple signings
+            - then put version
+- zos
+  - need simpler zos
+  - status
+    - tried to deploy on hetzner machine, new hardware
+      - zos couldn't use the new hardware
+    - suggestion
+      - new base image for zos
+        - used for V3-V4
+          - some binaries got conflicted
+      - need to run on more updated hardware/software
+        - do with 24.04, instead of 20.04, or else
+        - not sure with beyond 20.04 because of g-lipsi(?)
+      - specs
+        - we need a build system 
+          - to know we can upgrade kernel and ubuntu and get an image
+- current zos running on old hardware
+- need to test on different hardware
+- 1. test zos
+- 2. rebuild zos
+- farmerbot
+  - statement:
+    - use own responsibility
+  - TODO: Scott will check
+- Issues reported
+  - VMs stopped to accept SSH connection
+    - pingable but can't get into SSH connection
+      - hypothesis
+        - operator/user error
+          - but then got another case
+    - situation
+      - user using the VM inside it
+        - stopped SSH during the session
+- Sentry integration
+  - done in typescript
+  - being worked on for Go
+    - in standby
+- dagus demo
+  - remove it from post
+