lxc

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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...
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    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...
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    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...
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    [TUTORIAL] Podman LXC with Portainer as drop-in replacement for a Docker VM/LXC

    With the current prices of RAM, I tend to slim down my VM/LXC installations if at all possible. Podman is a lightweight alternative to Docker, but there are a few pitfalls I discovered. Contrary to Docker, it uses no daemon and when you install it as an LXC, it has even less footprint. There...
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    Best way to setup nas storage that will be backup-ed by PBS

    Hello! Late last year I decided to finally switch my windows server to Proxmox. Before the switch, I had two hdd formatted as ntfs and setup as raid with "intel rapid storage technology" with all my photos and videos. When I switched I decided to not immediately erase the old drive but instead...
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    AppArmor on 2 LXCs spam

    I got 2 LXCs (Plex and Ollama) that gives these errors a lot. Feb 17 09:44:21 pve kernel: audit: type=1400 audit(1771317861.619:38127): apparmor="DENIED" operation="sendmsg" class="file" namespace="root//lxc-206_<-var-lib-lxc>" profile="rsyslogd" name="/run/systemd/journal/dev-log" pid=1994038...
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    LXC cannot connect to network in default config

    Hi, every new unmodified LXC on the debian-12-standard_12.12-1 template will not connect to my network, local or otherwise With static ip root@CT100:~# ping 192.168.0.1 PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data. From 192.168.0.101 icmp_seq=1 Destination Host Unreachable From...
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    Network interface not up in OpenSUSE 16.0 CT with Proxmox 9.1

    Hello, looks like similar issue to this thread is back, I am on PVE 9.1.1 and LXC based on opensuse-16.0-default_20260116_amd64.tar.xz has no network, while LXC based on opensuse-15.6-default_20240910_amd64.tar.xz works OK, at least in my case. Thx for fixing and having this great project even...
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    Repository/Build Issue: NVIDIA Drivers missing from Trixie (Testing) on PVE 6.17.9

    Hi all, I'm running a Proxmox host on a Debian Trixie (Testing) base with kernel 6.17.9-1-pve. I am trying to set up an NVIDIA GTX 950/RTX 3070 for LXC passthrough, but I've hit a wall. The Problem: Repository Visibility: Despite adding contrib non-free non-free-firmware to my debian.sources...
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    LXC suddenly wont start after the node crashed

    I suddenly lost internet connectivity with the "name not resolved" error when had me logging into my cluster to find one of my nodes down. This is the node that hosts my PI-Hole instance. I tried just bringing it all back up and it did boot however the Pi-Hole LXC simply won't start running...
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    LXC container has no IP - missing dhclient causes ifupdown2 call to fail during start

    I'm having an interesting problem where one of my LXC has no IP when it starts. The container in question is the proxmox backup server lxc which I'm creating using the community script with default settings. All my other containers and VMs are fine. All my containers use DHCP, and i use the...
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    LXC Fails to start when using read-only Mountpoint

    I have a Mountpoint /tools_nfs that is mounted read-only on most of my Systems, and I want to be able to pass it to each Container. It used to work OK until now. I suspect one of the last System Updates messed it up :( . Attached is the Debug Log obtained by lxc-start -F --logpriority=DEBUG...
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    Starting LXC Container with bind mount changes the owner of that mount on the filesystem

    Hello all, I have the following configuration (and similar like it) for a lot of my LXC containers: ./209.conf:mp0: /mnt/glusterfs/hub-volume/andrewcz-org/firefly-importer_uploads,mp=/var/lib/firefly-importer/data/storage/uploads ./209.conf:mp1...