Archive for the ‘Proxmox’ Category
Proxmox Virtual Environment (VE) 9.0.6 – Cluster Node sicher entfernen & neu installieren
Montag, September 22nd, 2025Proxmox Datacenter Manager (PDM) 0.9 Beta 1 – introduces a central interface for managing Proxmox Virtual Environment (VE) nodes and clusters
Dienstag, September 16th, 2025
Proxmox Datacenter Manager (PDM) – Roadmap
You can use the official ISO image to install Proxmox Datacenter Manager (PDM) on a virtual machine or bare metal host
Proxmox Virtual Environment (VE) 9.0.6 – how to remove a directory entry e.g. ‚BackupUSB‘
Samstag, September 13th, 2025
# grep -R -i /mnt/pve/BackupUSB /etc/
/etc/systemd/system/mnt-pve-BackupUSB.mount:Where=/mnt/pve/BackupUSB
/etc/systemd/system/multi-user.target.wants/mnt-pve-BackupUSB.mount:Where=/mnt/pve/BackupUSB
grep: /etc/systemd/system/multi-user.target.wants/mnt-pve-Backup\x2dpve\x2ds740\x2d04.mount: No such file or directory
/etc/mtab:/dev/sdc1 /mnt/pve/BackupUSB ext4 rw,relatime 0 0
/etc/pve/storage.cfg: path /mnt/pve/BackupUSB
# systemctl disable mnt-pve-BackupUSB.mount
# umount /mnt/pve/BackupUSB
# vi /proc/mounts
/dev/sdc1 /mnt/pve/BackupUSB ext4 rw,relatime 0 0
# rm /etc/systemd/system/mnt-pve-BackupUSB.mount
You have to also remove the „dir: BackupUSB“ section from /etc/pve/storage.cfg
# vi /etc/pve/storage.cfg
…
dir: BackupUSB
path /mnt/pve/BackupUSB
content images,rootdir,snippets,backup,iso,vztmpl
is_mountpoint 1
nodes pve-s740-04
Proxmox Virtual Environment (VE) 9.0.5 – hardening tips you shouldn’t skip
Freitag, August 29th, 2025Proxmox Virtual Environment (VE) 9.0.5 – set CPU type to ‚host‘ for a Microsoft Windows Server 2022 VM as a best practice
Dienstag, August 26th, 2025Proxmox Virtual Environment (VE) – Microsoft Windows Server 2022 guest best practices
Proxmox Virtual Environment (VE) 9.0.5 – set CPU type to ‚host‘ for a Microsoft Windows 11 VM as a best practice
Dienstag, August 26th, 2025Proxmox Virtual Environment (VE) – Microsoft Windows 11 guest best practices
Proxmox Virtual Environment (VE) 9.0.5 – auf einem Hetzner Server installieren
Samstag, August 23rd, 2025Proxmox Virtual Environment (VE) 9.0.5 – HomeLab Installation eines virtualisierten Proxmox HA Clusters mit Ceph und das ganze auf nur einem nativen Proxmox Server
Donnerstag, August 21st, 2025
Install a VM on a Proxmox cluster member
Migrate a VM between a Proxmox cluster
HA affinity and anti-affinity are managed using new HA resource affinity rules
Proxmox Virtual Environment (VE) 9.0.5 – the ‚Discard‘ (also known as TRIM) option should generally be enabled for SSDs and thin provisioned LVM storage but it’s not enabled by default
Montag, August 18th, 2025The Discard option allows the hypervisor to inform the storage device when blocks of data are no longer in use improving performance and potentially extending the lifespan of SSDs. If you’re using thin provisioned LVM volumes the discard is essential for proper space reclamation
Proxmox Virtual Environment (VE) – Cluster (Local ZFS NFS CEPH) und HA Installation
Sonntag, August 17th, 2025Proxmox Virtual Environment (VE) – Cluster Ceph und HA Installation
Samstag, August 16th, 2025Proxmox Virtual Environment (VE) 9.0.5 – without a subscription you need to switch simple from the default enterprise repositories to the ‚pve-no-subscription‘ repository
Samstag, August 16th, 2025
Thomas-Krenn.AG – Virtualisierung im Vergleich Proxmox VE Microsoft VMware by Broadcom
Freitag, August 15th, 2025Proxmox Virtual Environment (VE) 9.0 – a step by step process of upgrading Proxmox VE 8.4 to Proxmox VE 9.0
Donnerstag, August 14th, 2025Proxmox Virtual Environment (VE) 9.0 – in place upgrades are carried out via apt-get familiarity with apt-get is required to proceed with this upgrade method
root@pve-s740-01:~# apt update
Hit:1 http://download.proxmox.com/debian/pve bookworm InRelease
Hit:2 http://security.debian.org bookworm-security InRelease
Hit:3 http://download.proxmox.com/debian/ceph-quincy bookworm InRelease
Hit:4 http://ftp.de.debian.org/debian bookworm InRelease
Hit:5 http://ftp.de.debian.org/debian bookworm-updates InRelease
Hit:6 http://repository.netdata.cloud/repos/edge/debian bookworm/ InRelease
Hit:7 http://repository.netdata.cloud/repos/repoconfig/debian bookworm/ InRelease
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
All packages are up to date.
root@pve-s740-01:~#
root@pve-s740-01:~# apt dist-upgrade
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
Calculating upgrade… Done
The following package was automatically installed and is no longer required:
proxmox-kernel-6.8.12-10-pve-signed
Use ‚apt autoremove‘ to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@pve-s740-01:~# pveversion
pve-manager/8.4.11/14a32011146091ed (running kernel: 6.8.12-13-pve)
root@pve-s740-01:~#
root@pve-s740-01:~# sed -i ’s/bookworm/trixie/g‘ /etc/apt/sources.list
root@pve-s740-01:~# sed -i ’s/bookworm/trixie/g‘ /etc/apt/sources.list.d/pve-enterprise.list
root@pve-s740-01:~# cat > /etc/apt/sources.list.d/proxmox.sources << EOF
Types: deb
URIs: http://download.proxmox.com/debian/pve
Suites: trixie
Components: pve-no-subscription
Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
EOF
root@pve-s740-01:~#
root@pve-s740-01:~# apt update
root@pve-s740-01:~# apt dist-upgrade
