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  1. R

    [SOLVED] Q-in-Q Support on Hetzner Dedicated Switch

    Hello, I've got a small setup at Hetzner with a dedicated 10 Gbit/S SFP+ Switch (EdgeSwitch 16 XG) to interconnect my Hosts privatly. The switch is also 802.1q capable but sadly im only able to make Q-In-Q working between 2 hosts and not three as i have to. This is how my config looks like...
  2. R

    [SOLVED] PVE Cluster change/replace NIC

    Hello, i just replaced the NIC's on all my 3 nodes and i upgraded to 10 Gbit's SFP+. All nodes can access each other over ssh without any problems. But since i replaced the NIC's im not able to access the nodes at the web GUI or at least node1 cannot access node 3 or node 2 anymore. I only see...
  3. R

    How to disable PVE firewall after lock-out (Datacenter level firewall)

    Hello, i have a small pve cluster in place and have a misconfigured firewall so that i cannot access my hosts anymore (lock-out scenario). I can only boot onto the rescue mode of hetzner and access my hardisk to change things but it seems that many things have changed since pve 6 and i dont...
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    Privat Networking - Ein Ding der Unmöglichkeit

    Hallo, ich bin jetzt schon seit über 10 std. dran zwischen meinen 3 nodes eine OVS Bridge zu konfigurieren. ZIel ist es das ich meinen VM's nur noch ein VLAN-tag zuweisen muss damit die Kommunikation funktioniert. Aber offenbar scheint der Private Switch den Hetzner anbietet ein reiner Layer2...
  5. R

    Running docker and autodev in a shared env.

    Hello, i would like to know the risk to run a LXC container with the following ruleset in a shared public env.: lxc.apparmor.profile: unconfined lxc.cgroup.devices.allow: a lxc.cap.drop: lxc.cgroup.devices.allow: c 10:200 rwm lxc.hook.autodev: sh -c "modprobe tun; cd ${LXC_ROOTFS_MOUNT}/dev...
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    Seit update auf 4.15.18-4-pve kein OVS routing mehr möglich

    Hallo, ich musste gestern leider sehr leidsam feststellen das ich nach dem update auf den Kernel 4.15.18-4-pve kein routing mehr mittels OVS/VLAN abgebildet bekomme. Es wird schlechtweg nichts kommuniziert. Alles steht zwar auf grün in den Logs aber einen ping bekomme ich nicht durch. Geändert...
  7. R

    OpenVswitch with VLAN - Firewall problems

    Hello, i'm currently facing a strange issue. I have a proxmox cluster - v. 4.4-13/7ea56165 (dirty 2 node cluster with 1 quorum vote) and i use OpenVswitch to have networing between my containers/VM and it doenst matter on wich of the 2 nodes the Containers/VM are. They can communicate without...
  8. R

    How to Deploy a 2 Node Cluster on ProxMox 4.x VE

    Hello everybody, I'm writing this short article because I spend myself a lot of time by finding the right configuration to get this working. First of all: A 2 Node Cluster is not a very good way to create High-Availability or even Fail-over scenarios because corosync is not able to create a...
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    LXC - alle CPU cores werden angezeigt

    Hallo, ich würde gerne wissen ob es Möglich ist die Anzahl der CPU cores welche für den LXC container zugewiesen worden sind, in sofern zu beschränken das der User auch nur explizit diese sieht (mittels htop z.B.). Derzeit sehe ich immer 8/8 CPU cores in jedem LXC Container also genau soviele...
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    ebtables support

    Hello everybody, i really would like to deply OpenStack as LXC container but the Neutron component is not able to work because the ebtables support is missing inside the LXC or by the PVE Kernel. On the Host it self ebtables is working... So i really dont get the clue why its missing inside...

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