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    allow functional email account to send mails from external/internet

    I want my service account to be able to send me status messages from external/internet. That wasn't an problem before the Proxmox Mail Gateway but now I get those message as undeliverable. Do I have to setup that one service account on the Proxmox Mail Gateway? Something like in this guide...
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    Proxmox Mail Gateway - User Blocklist

    I am uncertain how to use the Blocklist. I tried to block mails but I feel like I am doing it wrong: What is the pulldown menu for and whats the relation to the other position (below) where I can also put e-Mail addresses?
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    [SOLVED] "helo command rejected" - who did it?

    I am not sure where this is coming from. Is my bet correct its coming for the mail Server iRedMail and it got talked to with the wrong name?
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    [SOLVED] Ethernet (ip a) how to figure out to which host they belong

    I had a "failed" snapshot. So I migrated the LXC based LDAP server. But here my problems began Snapshot rollback didn't help. Restore from backup also didn't help. The LDAP Server kept vanishing and appearing as if there was the same IP Address assigned on two differnt Server. After my...
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    [SOLVED] New Server works but replication is not - .bashrc was the culprit

    I tried to replicate one of my big LXC container to new Proxmox host and it refuses to do so with an error message: 2025-07-13 00:39:01 110-0: end replication job with error: command '/usr/bin/ssh -e none -o 'BatchMode=yes' -o 'HostKeyAlias=node3' -o...
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    DUAL Socket Systems

    Some questions about multisocket Systems: How are the CPU Cores loaded, Accross sockets? Is it the same for LXC and VMs? Is an AMD Ryzen/Epyc handeled like a multisocket System?
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    OVS Bridge -> OVS Bond -> 2x Ethernet set MTU

    I am not sure how to calculate my MTU on each of the Devices. Lets assume my Network Switch I did right (I have doubts but lets look at the OVS side) What I did: Every MTU involved in the Ceph Backend MTU is set to 3000. What I want to achieve is reduce the load on the CPU even its only 2x1...
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    After installation with Ventoy rdinit=/vtoy/vtoy

    I got stuck removing "rdinit=/vtoy/vtoy" I am able to start the System by removing "rdinit=/vtoy/vtoy" from the bootmenu. I followed this post: https://forum.proxmox.com/threads/ventoy-install-of-proxmox-8-1-halts-at-loading-initial-ramdisk.143196/#post-686898 Making the settings permanent...
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    Had to remove 1 Node from Proxmox/Ceph

    Once I had 4 nodes running with Ceph and one could fail. Now that one has failed and is removed. Is it possible to establish redundancy with the remaining 3 nodes? From ceph -s data: volumes: 2/2 healthy pools: 7 pools, 193 pgs objects: 139.48k objects, 538 GiB usage: 1.6...
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    Adding cluster_network to an existing ALL public_network configuration

    Since new Hardware has arrived I wanted to configure a separate network for the OSDs Its 4 Hosts each has one OSD # ceph osd tree ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF -1 3.72595 root default -3 0.93149 host aegaeon...
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    [SOLVED] Proxmox deleted unreferenced disks

    The host had serveral Mount points, I added another one to copy over new data before getting my backup. Then I deleted the host: The sad thing is the disk with my new data even it was detached got deleted two, THATS a BUG! Here is how it looked before deletion: ZFS gives me the confidence...
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    Limit Ceph Network speed

    Is it possible to artificial limit throughput for each Ceph network (public and cluster) independently? My problem is I have only one connection of 1Gb. To remove Pressure on other Networks I want to limit public and/or cluster Network from Ceph, so corosync has no problems.
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    4-Node-Ceph-Cluster went down

    On my 4-Node Cluster with Ceph I shut down one system to make some BIOS changes. The issue is the cluster came to a complete stop while doing this. What I checked beforehand on the shutdown node: No HA rules are applied to any of the VMs, LXCs All are on Ceph Storage No Backup is running on...
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    [TUTORIAL] MTU - Jumbo Frames - Bridge Interface - EXAMPLE Post #3

    I want to use Jumbo Frames. From my understanding I have to set the MTU to a value supported by the hardware. But which Interface has to be changed, Bridge Interface or eth0? When changes are set how can it be tested?
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    Ceph mount a PG/pool for "Images & ISOs"

    wanted to mount a ceph PG for Image and ISOs. Its just to have all images and ISO the same on every node. I named the PG "proxmox" To check and put the mount somewhere I edited file: "/etc/pve/storage.cfg" cephfs: proxmox path /mnt/pve/proxmox content iso,images fs-name...
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    Proxmox Ceph - ITX Mainboard 2x SATA

    Somebody gave to me 5 ITX mainboards with 2x SATA each. Can I build Proxmox with Ceph on them where a total of 2 hosts can fail? Do I really need 2x SATA ports? Isn't one enough? The nice thing with these boards they all come equiped with 32 GB of RAM and an Old AMD Bulldozer CPU. Two of them...
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    Playing with experimental features: btrfs

    Playing around with btrfs I noticed replication doesn't work. Here is my questions; Its not working because its not fully implementet Its not working because I am using a mounted btrfs partition (didn't think about a possible subvolume approach if there is any) Is this where the experimental...
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    Proxmox & Ceph

    I am planning to get in touch with Ceph on Proxmox. Let me first introduce my hardware I am planning to use before having my questions. Here is the motherboard with CPU, and it got one downside more of that in a second: https://geizhals.de/biostar-a10n-8800e-v6-1-a2280308.html The downside of...
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    Some Certification Issue

    I was cowardly trying to repair the not working noVNC client on node2. so I run: ```pvecm updateverts -f``` As it sometime happens with coward actions, things get worse. Now I cannot handle the machines on node2 when I logged in to node1. How can I fix this?
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    No Replication is done over Bond

    I noticed the replication of VM/LXC is not done over the Bond configured on Cluster creation. When looking at RX/TX, with the following command, I noticed the traffic only goes over vmbr0. ip -s link show vmbr0 Only some bytes use bond0, where do I have to configure to use the bond for...