Disk Speeds inside a VM.
This is my issue. My proxmox host has 2 SSD's. One is for the host itself, and the other is for the virtual Disks for the VMs and containers. If I run hdparm or dd directly on the host, I get speeds on...
View ArticleClone of virtual machine snapshot fails due to UEFI disk and TPM state
Good morning dear Proxmox community, unfortunately I am facing an issue. I have a Windows 11 machine with of course an EFI and a TPM disk. I just tried to clone the latest snapshot via the GUI so that...
View ArticleTLS Hardening
Hi Guys, We ran a vulnerability scan against our ProxMox Mail Gateway (5.0-61) and it came back with several issues all relating to TLS. Summary of the issues below: 1. TLS 1.0 supported, which is...
View ArticleProxmox Mail Gateway Cipher Suite
Hello, How do I modify cipher suite for proxmox mail gateway? In zimbra I always did this: zmprov mcf zimbraMtaSmtpdTlsExcludeCiphers 'aNULL,MD5,DES,TLS_ECDH_anon_WITH_AES_256_CBC_SHA'
View ArticleSwitch redundancy for cluster network?
Hey all, I'm setting up my first Proxmox cluster environment after administering an environment of standalone nodes with shared NFS storage for several years. Considering the importance of a...
View ArticleBackup error - Input/output error
Hello, I’m experiencing backup errors on 2 VMs across different nodes. Initially, I suspected an issue with the disks on node 01, but the errors have now started occurring on node 02 as well. These...
View ArticleCiphers deaktivieren
Hallo ich habe mit der Website https://www.hardenize.com/ meine beiden MX Server überprüft, damit wird bei TLS 1.2 folgende Ciphers als veraltet und nicht mehr zuverwenden gekennzeichnet:...
View ArticleLXC container - Firefox won't load any website. But other browsers ok.
Hi all! So I'm a bit confused with this issue I'm finding for the first time... I installed an ubuntu 24.04 template, then LXDE with firefox on it (the .deb version from the mozilla repo, which I...
View ArticleEncoding von Videos über die CPU
Guten Morgen, ich plane demnächst, eine virtuelle Maschine mit Windows Server aufzusetzen, die für ein TeleDoc-System genutzt werden soll. Die Videokonferenz würde über eine RDP-Sitzung laufen, wobei...
View ArticleBackup of VM Fails With err -6
When i go to backup VM with id 219 and only this one the backup fails even on local or empty 480GB disk, i suspect corrupt files because when i try to copy with cp -v disk.qcow2 it gives "IO error" at...
View ArticleDC VM Kopiergeschwindigkeit geringer als im ESXi Host
Hallo, ich bin gerade bei einer Testmigration und habe 6 MS Windows 2019 Server von einem ESXi Host auf Proxmox migriert. Jetzt habe ich ein Phänomen. Wenn ich probehalber eine Dateien vom...
View ArticleCeph 19.2 Squid Available as Technology Preview and Ceph 17.2 Quincy soon to...
Hi Community! The recently released Ceph 19.2 Squid is now available on the Proxmox Ceph test and no-subscription repositories to install or upgrade. Upgrades from Reef to Squid: You can find the...
View Articleproxmox.com IP range
Hi Seem I cannot found there is info about the IP range which PROXMOX are currently using. Since my PVE are behind firewall and it can't allow traffic base on domain just only IP range. Anyone can...
View ArticleESXi to Proxmox - Network issue - ProxMox Bridge prohibit communication
Hi, I found an interesting symptom. Have a 3 node cluster (upgraded 7.x to 8.2.x latest) and one of them (let1s call A host) hosting my ESXi host. ANY ProxMox VMs on host A unable to ping (or...
View ArticleSnapshot causes VM to become unresponsive.
I am not exactly sure when this problem first started but it used to be fine in the past I'm running 8.2.4 of Proxmox, and I'm seeing strange behaviour of a VM post Snapshot. I have an instance of...
View ArticleVeeam Client Install help
Firstly, apologies if this is in the wrong place. I couldn't find a generic "Proxmox - All other topics" home I wanted to try Veeam, in the most probable likely event something horrible happens to my...
View Article[Tutorial] Mounting NFS share to an unprivileged LXC
This post was inspired by this guide created by @TheHellSite. My goal is to set up a torrent LXC such that it would torrent an Ubuntu iso to an Unraid share. It seems that there are many ways to...
View ArticleIPv6 SSL/TLS aktivieren
Hallo nutzt einer von euch das Mailgateway mit IPv4 & IPv6? SSL Zertifikate sind korrekt für die beiden MX Domains im Cluster hinterlegt, alles OK nur für die IPv6 wird bemängelt das keine TLS...
View ArticleErro 500: /var/tmp/pve-reserved-ports.tmp - Read-only file system
Hi Guys, I recently deployed my proxmox and everything went well until today, i started getting this error: Erro 500: unable to open file '/var/tmp/pve-reserved-ports.tmp.30648 -Read-only file system....
View ArticleBeginner - Single disk: ext4 or ZFS?
Newbie here, so please bear with me. I'm sure this question has already been asked countless times, however a quick forum search only brought results about multiple disks and raid controllers. For...
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