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Questions tagged [google-container-optimized-os]

40 questions
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Disable Kernel Spectre/Meltdown Mitigations

Is it possible to disable spectre/meltdown mitigations on container optimized OS instances? Because the root filesystem is readonly it doesn't seem to be possible to modify boot flags. These are instances that run in isolated environments without…
Gillespie
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COS: External IP port binding AND communicates with sibling container

I am running a VM with Container-Optimized OS. I want a container that both: A. Binds to the external IP of the VM. B. Contacts a sibling container, that listens on 127.0.0.1:3010. An issue I am having is that by default "A" works and "B" does…
zino
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Where to keep persistent, executable files in Container-Optimized OS

I'm using a Container-Optimized OS on GCP's Compute Engine. I'm mounting a directory volume to my container, the problem is that my application creates and executes files in this volume, but Container-Optimized OS doesn't allow executing in a home…
Gieted
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Google Kubernetes Engine - How to update Container Optimized OS (COS)

I have updated my GKE nodes to version v1.18.17-gke.1900 on 18th of May 2021. Nevertheless the recent COS version is not included in that GKE version. Where do I find which COS version is in which GKE version? (In the docs I only see which version…
matze
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why “kubectl exec -it” cannot login on google container optimised os

When i ran kubectl exec -it /bin/bash, i got error like this OCI runtime exec failed: exec failed: container_linux.go:349: starting container process caused "exec: \"env\": executable file not found in $PATH": unknown command terminated with exit…
Sankar Prasanth Gadhamsetti
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Is it possible to use a different VM image for minikube

I see minikube using Debian rodete as the VM image. I would like to use different image like Container-Optimized OS is this possible? Thanks in advance
RandomQuests
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Authenticating private repositories when running docker/compose in container

I'm using GCP's container-optimized image to run a number of containers through docker compose. As mentioned in this article, public repositories are working fine but I can't figure out why docker login in the host machine is not reflected in the…
Yash Nag
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Cloud Logging doesn't work on a Container-optimized OS running a container

I'm running a Docker container on a GCE instance under the Container-optimizes OS. I've followed this manual https://cloud.google.com/container-optimized-os/docs/how-to/logging and added the google-logging-enabled metadata value to enable sending…
user13316830
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How does Google Container Optimized OS handle a scheduled shutdown?

I'm playing around with Container Optimized OS on Google Cloud and found that the 'Auto Update' feature doesn't apply the updates until the system is restarted, and doesn't offer any functionality for scheduling a reboot after an update is…
datu-puti
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