Proxmox: NFS-mounts in lxc

cp /etc/apparmor.d/lxc/lxc-default-cgns /etc/apparmor.d/lxc/lxc-default-with-nfs

Then edit the new file /etc/apparmor.d/lxc/lxc-default-with-nfs:

replace profile lxc-container-default-cgns by profile lxc-container-default-with-nfs

put the NFS configuration (see below) just before the closing bracket (})

NFS configuration

Either write

mount fstype=nfs*,
mount fstype=rpc_pipefs,

or (being more explicit)

mount fstype=nfs,
mount fstype=nfs4,
mount fstype=nfsd,
mount fstype=rpc_pipefs,

and finally run service apparmor reload. Use the new profile

Edit /etc/pve/lxc/${container_id}.conf and append this line:

lxc.apparmor.profile: lxc-container-default-with-nfs

Then stop the container and start it again, e.g. like this:

pct stop ${container_id} && pct start ${container_id}