lxc

  1. error move lxc root disk from local to ceph

    i try to move the lxc root disk from local to ceph (have over 50% free space on ceph) this is the log for the error: /dev/rbd3 Creating filesystem with 18350080 4k blocks and 4587520 inodes Filesystem UUID: e55036f9-7f8a-4a49-af36-7929f96043cd Superblock backups stored on blocks: 32768...
  2. DAC Passthrough in LXC

    Hi there, new to ProxMox and looking for help on a Passthrough issue with a DAC I am currently assessing whether I can have one server to rule them all. With LXC instances for diverse purposes, including a mediaserver for Roon. The idea was to connect a USB DAC (NAD D3045) directly to the...
  3. Starting k3s.service fails with error: level=fatal msg="failed to find cpu cgroup (v2)"

    Hello, I have configured a container (LXC) and deployed k3s. However starting the relevant service fails. Checking the output of journal -xe there are different errors: Mai 01 20:45:48 k3s-master1 k3s[1910]: time="2021-05-01T20:45:48.689640997+02:00" level=info msg="Wrote kubeconfig...
  4. poor performance on LXC instances

    Hey Proxmox friends, I've got a cluster with some mixed, older server hardware. For the most part, everything works wonderfully - I've loved this ecosystem for years. Recently, I set up an LXC container and the performance is pretty slow, even unresponsive at time. I'm trying to understand if...
  5. [SOLVED] SMB Share in LXC Container: Permission denied on write

    Hi there, I've got an SMB share from my NAS server for my data. My Jellyfin instance (hosted via docker inside LXC) should have read-/write-access to this SMB share. The problem is: I always get permission denied issues in my LXC container. The Proxmox host can write inside the share, but not...
  6. LXC Suspend backup "failed: exit code 23" rsync_xal_set "user.crtime_usec" failed: Operation not supported (95)

    I configured a few LXC containers to perform a suspend mode backup, however I noticed it failed. output of backup job shows: INFO: starting new backup job: vzdump 107019 --compress zstd --node pve1 --storage backup --remove 0 --mode suspend INFO: Starting Backup of VM 107019 (lxc) INFO: Backup...
  7. Problem starting container after dist-upgrade: safe_mount_beneath_at: Function not implemented

    Hi everybody, I am facing problems starting all of our containers on a pve node after dist-upgrade and reboot. All containers fail to start, VMs are coming up without problems. It seems to boil down to a lxcfs / FUSE problem -- full messages attached. Starting on console reveals: # pct start...
  8. How do I "unify" the boot order of VMs and LXCs?

    Preamble: I have 10 containers and 1 VM. The VM is OpenMediaVault containing a mergerfs mount which is shared via cifs to my Windows 10 PC and pve host node. The share is mounted to every LXC via this line in /etc/fstab: //<ip-of-omv-vm>/data/ /mnt/data/ cifs...
  9. Start LXC on demand

    Hello everyone and sorry if this has already been requested on this forum (I did not find or not searched with the right keywords maybe). I was wondering if, on any chance, it would be possible to start a container (lxc) on demand, much like what is done on some aws instances. Basically, a...
  10. Enabling "IO Thread" equivalent on LXC

    Hi, Tried searching for the above but no hits so figure I'd ask. Please point me to an article I may have missed if its been answered before. The issue I'm trying to solve is high IO delay when moving large volumes (GB range) of data on a LXC ubuntu container. I previously had this issue on...
  11. ansible LXC creation

    Heyo, playing with ansibles community.general.proxmox modul. Trying to create simples LXC: --- - hosts: localhost tasks: - name: Create new LXC community.general.proxmox: node: "my node" api_user: "my user" api_token_id: "my id" api_token_secret: "my token"...
  12. [SOLVED] Help With Setting Up Storage For Access In LXCs and Networked Machines

    Hi everyone, new to Proxmox and Linux as a whole. Over the last week or so, I've been trying to setup my storage (among other things). While I've been largely successful at setting up the rest of my server, setting up my storage the way I want has been a huge challenge. What I want is: All 5...
  13. Mounting/Connecting SMB automatically from unprivileged LXC without using fstab

    I am trying to connect to an SMB existing in another Proxmox guest, from both LXCs and VMs. The LXC clients are unprivileged, and when I add //192.168.11.20/store /mnt/store_mnt cifs username=store,password=password,_netdev 0 0 and execute mount -a It complained with an error suggesting a...
  14. LXC bind mounting NFS mount and docker containers

    Hello, This weekend I finished configuring most of my personal server ( which is for development and fun so I don't care about security much ).. It was previously working as a nas server with Freenas and had rancher as docker host vm.. Although I wanted to have a full hypervisor with PCI-E...
  15. LXC Container - Errors / Warnings - ubuntu / debian

    I tried out the LXC containers recently. First I tried the debian template (debian-10-standard_10.7-1_amd64.tar.gz), downloaded via PVE Web GUI, created a new container via PVE Web GUI, set my hostname (debian) and password, for the network chose DHCP and left everything as default. However...
  16. API parse errors when lxc tags are null

    When testing the /nodes/{node}/lxc/{vmid}/config path for the API I noticed that a parse error is returned whenever the tags of a lxc instance are null. Regardless of the error being returned the tags are updated correctly in both the null -> defined and defined -> null scenarios. This same...
  17. How to convert a VM into LXC in Proxmox VE 6.0.2+?

    PVE version: 6.2-4 Kernel version: 5.4.41-1 source VM: ubuntu1804-amd64 target LXC: ubuntu1804-amd64 in LXC format I've used PVE for almost 2 years and I love it very much. Now I want to convert my VM created by PVE into LXC that can ran on PVE with full features like other LXC orginally...
  18. Cant change DNS settings of LXC Debian containers

    Hello! I'm trying to create OMV container and connect it to AD, but I can't change DNS setting from GUI. In GUI everything is set right (domain name and server) but in LXC /etc/resofv.conf still shows localdomain and dhcp dns server. This problem persist on Debian 9 and 10 templates but if I use...
  19. Valid LXC UID mapping makes Guest /home folder owned by nobody

    I'm trying to do a very typical uid mapping. I have both a Guest and Host user id 5000. Just for reference I'm adding my config, it is valid, because it works. I see Bind mount files on Guest/Host owned by #5000 user as their respective users in Guest/Host. lxc.idmap: u 0 100000 5000 lxc.idmap...
  20. LXC failing to backup to Syno NFS share

    Hi all, Wanted to change from CIFS to NFS, but now backups fail: INFO: starting new backup job: vzdump 100 --storage LXC_Backups --compress zstd --mode snapshot --remove 0 --node 0v3rw4tch INFO: Starting Backup of VM 100 (lxc) INFO: Backup started at 2021-02-17 18:23:42 INFO: status = running...

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