this post was submitted on 06 Nov 2025
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Proxmox

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Proxmox VE is a complete, open-source server management platform for enterprise virtualization. It tightly integrates the KVM hypervisor and Linux Containers (LXC), software-defined storage and networking functionality, on a single platform. With the integrated web-based user interface you can manage VMs and containers, high availability for clusters, or the integrated disaster recovery tools with ease.

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K3S on Proxmox LXC

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I'm running Proxmox 9 on a server with currently a single LXC running. On no apparent time schedule, within a day but frequently within an hour, the host will stop responding to SSH, pings and the web UI stops updating. However, the LXC continues to run happily. The only way to bring the host back up is to power cycle the server.

Has anyone got any troubleshooting tips?

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[–] AbidanYre@lemmy.world 2 points 2 weeks ago (5 children)

Very niche case, but I saw pretty much the same thing.

I was running from an SD card on the iDSDM in a Dell server. The module was flaky and I'd have to power it all off and pop the SD card out and back in then bring it back up.

Unlikely to be the same thing, but maybe some breadcrumbs to start your search

[–] ProfessorHoover@infosec.pub 1 points 2 weeks ago (1 children)

I wonder if it is the same issue. I installed on an emmc module which isn't recommended by Proxmox but I thought I'd get away with it. I might try reinstalling to another drive and see if it still happens.

[–] AbidanYre@lemmy.world 1 points 2 weeks ago

Huh. Maybe it is related then. For what it's worth I ended up moving to a real drive, still solid state, a while ago and it's been working fine ever since.

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