Archive for the ‘Proxmox’ Category
Proxmox Virtual Environment (VE) 9.2 – this release debuts a Dynamic Load Balancer for real time cluster resource scheduling and automated high availability (HA) migrations
Donnerstag, Mai 21st, 2026Proxmox Virtual Environment (VE) 9.1.9 – Mounting a USB Drive to Restore a Proxmox VM from an Older Backup on a New System
Dienstag, Mai 12th, 2026root@pve-s740-03:/mnt# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 223.6G 0 disk
├─SSD–LVM–ThinPool-SSD–LVM–ThinPool_tmeta 252:0 0 2.2G 0 lvm
│ └─SSD–LVM–ThinPool-SSD–LVM–ThinPool-tpool 252:2 0 219G 0 lvm
│ └─SSD–LVM–ThinPool-SSD–LVM–ThinPool 252:3 0 219G 1 lvm
└─SSD–LVM–ThinPool-SSD–LVM–ThinPool_tdata 252:1 0 219G 0 lvm
└─SSD–LVM–ThinPool-SSD–LVM–ThinPool-tpool 252:2 0 219G 0 lvm
└─SSD–LVM–ThinPool-SSD–LVM–ThinPool 252:3 0 219G 1 lvm
sdb 8:16 0 465.8G 0 disk
└─sdb1 8:17 0 465.8G 0 part
sdc 8:32 1 57.3G 0 disk
├─sdc1 8:33 1 1007K 0 part
├─sdc2 8:34 1 512M 0 part /boot/efi
└─sdc3 8:35 1 56.8G 0 part
├─pve-swap 252:4 0 7G 0 lvm [SWAP]
├─pve-root 252:5 0 24.4G 0 lvm /
├─pve-data_tmeta 252:6 0 1G 0 lvm
│ └─pve-data 252:8 0 16.3G 0 lvm
└─pve-data_tdata 252:7 0 16.3G 0 lvm
└─pve-data 252:8 0 16.3G 0 lvm
root@pve-s740-03:~# ls -l /dev/disk/by-uuid/*
lrwxrwxrwx 1 root root 10 May 12 16:34 /dev/disk/by-uuid/0c8f5e4d-c4b5-4598-a3ce-017b3d560ef4 -> ../../dm-5
lrwxrwxrwx 1 root root 10 May 12 16:34 /dev/disk/by-uuid/b17f8e4e-22f2-42e5-9f69-42a4de807ad7 -> ../../dm-4
lrwxrwxrwx 1 root root 10 May 12 16:34 /dev/disk/by-uuid/BC04-4362 -> ../../sdc2
lrwxrwxrwx 1 root root 10 May 12 16:34 /dev/disk/by-uuid/dd0e892f-fd9e-414b-b759-a83caf14ed64 -> ../../sdb1
root@pve-s740-03:/etc# vi fstab
root@pve-s740-03:~# vi /etc/fstab
…
/dev/disk/by-uuid/dd0e892f-fd9e-414b-b759-a83caf14ed64 /mnt/usb-drive ext4 defaults 0
root@pve-s740-03:~# mkdir /mnt/usb-drive
root@pve-s740-03:~# mount -a
root@pve-s740-03:~# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
udev 8023596 0 8023596 0% /dev
tmpfs 1614136 1484 1612652 1% /run
/dev/mapper/pve-root 25058324 4029460 19730640 17% /
tmpfs 8070672 46800 8023872 1% /dev/shm
efivarfs 128 104 20 84% /sys/firmware/efi/efivars
tmpfs 5120 0 5120 0% /run/lock
tmpfs 1024 0 1024 0% /run/credentials/systemd-journald.service
tmpfs 8070676 0 8070676 0% /tmp
/dev/sdc2 523248 8976 514272 2% /boot/efi
/dev/fuse 131072 16 131056 1% /etc/pve
tmpfs 1024 0 1024 0% /run/credentials/getty@tty1.service
tmpfs 1614132 4 1614128 1% /run/user/0
/dev/sdb1 479596204 99068688 356091856 22% /mnt/usb-drive

Proxmox Backup Server 4.2 – released with S3 Object Storage Support
Freitag, Mai 1st, 2026Proxmox Virtual Environment (VE) 9.1.9 – recommend ZFS over Ceph for small clusters
Donnerstag, April 30th, 2026Thomas-Krenn.AG – how to use Proxmox Datacenter Manager (PDM) 1.0-2
Montag, April 27th, 2026Proxmox Virtual Environment (VE) 9.1.9 – Ubuntu 26.04 LTS Desktop (Resolute Raccoon) requires a 64bit 2 GHz dual core processor 6 GB of RAM is strongly recommended and 25 GB of storage for a standard installation
Freitag, April 24th, 2026Proxmox Virtual Environment (VE) 9.1.9 – Ubuntu 24.04 LTS Desktop (Noble Numbat) requires a 64bit 2 GHz dual core processor 4 GB of RAM is strongly recommended and 25 GB of storage for a standard installation
Freitag, April 24th, 2026Installing Ubuntu Desktop on systems with low memory (typically less than 4GB) can lead to hangs specifically during the ‚Copying files‘ or ‚Preparing‘ stages, because the Live USB environment lacks sufficient swap space

How to install ’ssh‘
root@pve-SNIFFER-01:~# apt-get install openssh-server
root@pve-SNIFFER-01:~# systemctl status ssh
root@pve-SNIFFER-01:~# systemctl enable ssh
root@pve-SNIFFER-01:~# systemctl start ssh
root@pve-SNIFFER-01:~# systemctl status ssh
root@pve-SNIFFER-01:~# vi /etc/ssh/sshd_config
PermitRootLogin yes
root@pve-SNIFFER-01:~# systemctl restart ssh
How to install ‚wireshark‘
root@pve-SNIFFER-01:~# add-apt-repository ppa:wireshark-dev/stable
root@pve-SNIFFER-01:~# apt-get update
root@pve-SNIFFER-01:~# apt-get install wireshark
root@pve-SNIFFER-01:~# dpkg-reconfigure wireshark-common
js@pve-SNIFFER-01:~$ sudo adduser $USER wireshark
js@pve-SNIFFER-01:~$ wireshark

Proxmox Virtual Environment (VE) 9.1.9 – solving ‚/var/tmp‘ e.g. ‚full or upload‘ failures
Donnerstag, April 23rd, 2026Manually copy via SCP instead of the GUI to copy the ISO directly to the final storage location skipping the ‚/var/tmp‘ staging area
Path: ‚/var/lib/vz/template/iso/‘ … or a external disk ‚/mnt/pve/<extDisk>/template/iso/‘
