bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/tools/pve/post-pbs-install.sh)"

root@pve:~# ls -lh /var/lib/vz/template/iso

total 27G
-rw-r--r-- 1 root root 6.0G Mar  4  2025 ExchangeServer2019-x64-cu15.iso
-rw-r--r-- 1 root root 5.2G Sep 19  2024 MsOfficeHomeBusiness2024Retail.img
-rw-r--r-- 1 root root 1.8G Nov 16  2024 Rocky-9.5-x86_64-minimal.iso
-rw-r--r-- 1 root root 3.0G Feb 17  2025 ubuntu-24.04.2-live-server-amd64.iso
-rw-r--r-- 1 root root 693M Apr  7  2025 virtio-win.iso
-rw-r--r-- 1 root root 5.5G Oct  1  2024 Win11_24H2_English_x64.iso
-rw-r--r-- 1 root root 4.7G Mar 17  2022 WINSERVER_2022_EVAL_x64FRE_en-us.iso

root@pve:~# pvesm status | grep -i pbs
pbs-backup         pbs     active       960302804        32182428       879265916    3.35%

root@pve:~# grep -n "^pbs:" -A30 /etc/pve/storage.cfg
10:pbs: pbs-backup
11-     datastore hdd
12-     server 192.168.0.231
13-     content backup
14-     fingerprint 12:42:33:f9:49:33:84:09:dc:f2:c9:49:f6:0d:ea:26:e9:bc:24:5a:90:6f:5f:ae:64:47:89:ec:7b:ea:df:29
15-     prune-backups keep-all=1
16-     username backup@pbs
17-

export PBS_REPOSITORY='<username>@<PBS-IP>:hdd'
# export PBS_REPOSITORY='backup@[email protected]:hdd'

export PBS_PASSWORD_FILE='/etc/pve/priv/storage/<STORAGE-ID>.pw'
# export PBS_PASSWORD_FILE='/etc/pve/priv/storage/pbs-backup.pw'

export PBS_FINGERPRINT='<fingerprint-from-storage.cfg>'
# export PBS_FINGERPRINT='12:42:33:f9:49:33:84:09:dc:f2:c9:49:f6:0d:ea:26:e9:bc:24:5a:90:6f:5f:ae:64:47:89:ec:7b:ea:df:29'

root@pve:~# proxmox-backup-client status
┌───────┬───────────────────────┐
│ total │ 983350071296  (100 %) │
├───────┼───────────────────────┤
│ used  │  32954806272    (3 %) │
├───────┼───────────────────────┤
│ avail │ 900368297984   (92 %) │
└───────┴───────────────────────┘

proxmox-backup-client backup \
  pve-iso.pxar:/var/lib/vz/template/iso \
  pve-etc.pxar:/etc \
  pve-pveconf.pxar:/etc/pve \
  --backup-type host --backup-id pbsiso

root@pve:~# proxmox-backup-client backup \
  pve-iso.pxar:/var/lib/vz/template/iso \
  pve-etc.pxar:/etc \
  pve-pveconf.pxar:/etc/pve \
  --backup-type host --backup-id pbsiso
  
Starting backup: host/pbsiso/2026-01-10T08:56:36Z    
Client name: pve    
Starting backup protocol: Sat Jan 10 19:56:36 2026    
No previous manifest available.    
Upload directory '/var/lib/vz/template/iso' to 'backup@[email protected]:8007:hdd' as pve-iso.pxar.didx    
processed 6.56 GiB in 1m, uploaded 6.377 GiB
processed 10.407 GiB in 2m, uploaded 9.426 GiB
processed 13.862 GiB in 3m, uploaded 12.402 GiB
processed 17.093 GiB in 4m, uploaded 15.576 GiB
processed 20.192 GiB in 5m, uploaded 18.57 GiB
processed 23.532 GiB in 6m, uploaded 21.824 GiB
pve-iso.pxar: had to backup 25.093 GiB of 26.669 GiB (compressed 20.244 GiB) in 414.63 s (average 61.97 MiB/s)
pve-iso.pxar: backup was done incrementally, reused 1.576 GiB (5.9%)
Upload directory '/etc' to 'backup@[email protected]:8007:hdd' as pve-etc.pxar.didx    
skipping mount point: "pve"
pve-etc.pxar: had to backup 2.702 MiB of 2.702 MiB (compressed 599.624 KiB) in 1.50 s (average 1.802 MiB/s)
Upload directory '/etc/pve' to 'backup@[email protected]:8007:hdd' as pve-pveconf.pxar.didx    
pve-pveconf.pxar: had to backup 40.87 KiB of 40.87 KiB (compressed 16.772 KiB) in 0.16 s (average 256.499 KiB/s)
Uploaded backup catalog (32.438 KiB)
Duration: 427.01s    
End Time: Sat Jan 10 20:03:43 2026