lxc

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    9.2 idmap problem

    Hi, I have defined this mountpoint. /mnt/pve/containers is a NFS mount mp0: /mnt/pve/containers/media/immich,mp=/opt/immich/upload,idmap=u:999:1026:1;g:991:100:1 and when I try to start the container I get the following error DEBUG utils - ../src/lxc/utils.c:run_buffer:558 - Script exec...
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    LXC Boot and vzdump Failures on Ceph RBD after Upgrade: fsconfig() failed ... Can't lookup blockdev (Exit Code 32)

    Hi, After all of the CVE's and security disclosures over the past week or two, I thought it'd be useful to upgrade my Proxmox nodes to the latest. I recently updated everything to PVE 9 & Ceph 19 and it has been working without fault for a few weeks. Since todays package updates, I am getting...
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    [SOLVED] OCI LXC Probleme beim Starten

    Grüß euch! Nachdem ich vor ein paar Monaten bereits erfolgreich einen OCI Container in PVE zum testen importierte, dachte ich mir, dass es wohl auch dieses mal Funktionieren würde, aber möglicherweise gibt es doch noch ein paar Probleme die behoben müssen oder ich habe beim Initialen Setup...
  4. S

    terminal created zfs mount ct

    Hello everyone. Within my Proxmox setup i am at a point of questioning the way i have completed. I would like some guidance on the issues and the steps i have taken and how to move within this state to the "correct" / "desired" stability. specifically the zfs share between my ct (ubuntu) lxc...
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    [SOLVED] AlmaLinux 10 LXC Start-Up Error

    Hey there Proxmox Community! Hoping to get get some assistance in diagnosing what the issue may be. It sounds like it may have something to do with this. The below is the output of pct start 300 --debug. INFO confile - ../src/lxc/confile.c:set_config_idmaps:2295 - Read uid map: type u...
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    My journey on LXC/CT, docker and GPU Passthrough

    Thought I would document this down in case anyone has tried to do this but again had no luck getting answers. TLDR: Use a VM for anything GPU/pass through related. The reason I was digging into this first was because I wanted to run a LLM on my local network but without a GUI. I wanted to save...
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    Immich LXC bekommt keine IP Adresse

    Hallo Forengemeinde, Neuling hier, ich habe mir so einen Chinakracher gekauft (eine Nic, 32 GB RAM, SSD 1 TB), um damit erste Gehversuche mit Proxmox zu wagen. Im ersten Schritt konnte HomeAssistant problemlos installiert und zum laufen gebracht werden. Yeah! (VLAN 3) Mit diesem...
  8. B

    OCI Image fails to extract if the image relies on systemd

    Hi there, I was trying to import the official freeipa image from docker hub into proxmox and, after cloning it locally, i got this error while creating the container: TASK ERROR: unable to create CT 100 - Error while extracting OCI image: IO error: failed to unpack...
  9. M

    Issues in official lxc containers: opensuse-10.6

    Hi, /usr/share/perl5/PVE/LXC/Setup/SUSE.pm unconditionally writes wicked-style ifcfg-* files for all SUSE guests. It doesn't check whether the guest uses systemd-networkd. But this is precisely what changed in opensuse-10. I'm not sure if I'm allowed to file a bug, I have no support contract...
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    Two GPU and their assigment to /dev/dri/renderD...

    Hello, I am running a Proxmox host (9.1.7) with two GPUs (AMD iGPU and NVIDIA dGPU (well actually three when counting the BMC's VGA)). I'm using them in different LXC which works flawless. The iGPU I use for Jellyfin transcoding, assignment is done so: dev0: /dev/dri/card2,gid=44 dev1...
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    LXC silently loses IPv6 default route with SLAAC

    I want to start of saying I understand very little about how IPV6 works under the hood, and I'm not sure if my description of the issue is correct but I'll try my best. I had noticed one of my LXC containers running gitlab would occasionally just stop being accessible from WAN (i'm behind CGNAT...
  12. S

    Internetzugriff auf Proxmox VMs / Docker Container hinter OPNsense mit Reverse Proxy

    Hallo Zusammen, ich muss den Zugriff auf mehrere VMs auf einem Proxmox Host übers Internet freischalten. Als Firewall ist eine OPNsense auf einer eigenen Hardware im Einsatz. Außerdem soll ein Reverse Proxy auf dern OPNsense eingerichtet werden. Vlans sind auch im Einsatz und werden noch...
  13. S

    LXC suddenly not booting

    As the title states my qbittorrow L:XC suddenly won't boot no errors nothing strange it shows green but I can't access the console from proxmox nor can I acess SSH, in addition netwoprking seems to be down for it as well as theres no IP in the network tab and it's not appearing on my router's...
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    Proxmox(zfs) > lxc > docker container > OOM results in "kernel BUG at mm/usercopy.c:102!"

    Greetings proxmox team Would you be able to check https://github.com/openzfs/zfs/issues/15918 please Basically upon docker container OOM, zfs sometimes crash/panicks and computer must be rebooted to fully fix a problem. Thank you in advance. Excerpt: [244742.755626] Memory cgroup out of...
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    LXC UID/GID mapping questions

    I've got NFS shares mapped to my PVE host, which is then mapping it into some LXCs. I'm struggling to get UID/GID mapping working in a Helper Scripts Sonarr LXC that has Sonarr running as root. I've tried following the wiki and a few other forum threads here to get this working, so I'm doing...
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    [TUTORIAL] [HOW TO] GPU passthrough to unprivileged, no nesting Jellyfin LXC container. From a novice, for novices.

    I am novice into Proxmox pass-through and have adopted unprivileged, no nesting LXC container as my go to for services and what not. Trying to get a humble NVIDIA T400 4GB working with Jellyfin was a complete mess trying to follow posts so this is how I got it working novice style: Proxmox...
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    PVE migration – Samba file server shadow copy: which technology should be used (vm with zfs vs. lxc with zfs vs. vm with ext4/lvm)?

    Hello, we are currently in the process of migrating our vmware esxi to Proxmox. One of the next steps is migrating the samba fileserver, since it is ~3TB large, I want to set up a new vm/lxc on the pve node and transfer the data with rsync so I can switch to the new system more or less “on the...
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    [SOLVED] LXC container fails to start on iSCSI-LVM storage in PVE 9.1.5 - "symlink encountered" in prestart hook

    Environment: proxmox-ve: 9.1.5 pve-manager: 9.1.5 lxc-pve: (latest as of 2026-03-14) Storage: iSCSI LUN from NetGear NAS with LVM on top (vm-iscsi-lvm) Problem: When creating a new LXC container directly on an iSCSI-LVM storage, the container fails to start with the following error: ---------...
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    Hypervisor hanging up - possible memory allocation issue

    My server has recently been hanging at almost random times with the only way to sort it out is by force restarting the server - with the issue then happing again after a few weeks. From the looks of it, it seems to be a memory issue but what confuses me is that how the lxc's are able to cause...
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    Why does PVE 8.4.16 LXC Console show "Connected" but remain a black screen?

    Hi everyone, I'm encountering a strange LXC issue on Proxmox VE 8.4.16. I have several containers running, and the WebUI Console used to work perfectly. However, one day, the console for CT 109 suddenly went pitch black. It shows "Connected" at the top, but no matter what I type or if I hit...