Post

Upgrade Proxmox 7 to 8

Posted Updated
By technicatgor 1 min read

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New Features

  • Integrated Ceph Enterprise Repository
  • Enhanced LDAP & Active Directory Synchronization
  • Software-Defined Networking (SDN) Control
  • Flexible Resource Mappings
  • Two-Factor Authentication (2FA)
  • Text-Based User Interface for Installer ISO
  • x86-64-v2-AES Default CPU Type

Checklist Script

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pve7to8 --full

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= SUMMARY =

TOTAL:    35
PASSED:   26
SKIPPED:  5
WARNINGS: 4
FAILURES: 0

Upgrade

  1. Check your Proxmox version to ensure you’re running the latest Proxmox VE 7.4 packages. The output should show that you’re on v7.4-15 or newer.
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    apt update
apt dist-upgrade
pveversion
  2. Update all Debian and Proxmox VE repository entries to Bookworm:
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    sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list
  3. Run the command below.
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    sed -i -e 's/bullseye/bookworm/g' /etc/apt/sources.list.d/pve-install-repo.list
  4. Verify these files were updated with bookworm
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    cat /etc/apt/sources.list
cat /etc/apt/sources.list.d/pve-install-repo.list

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    deb [arch=amd64] http://download.proxmox.com/debian/pve bookworm pve-no-subscription
  5. Finally, run a final update command and then upgrade the system
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    apt update
apt dist-upgrade
  6. When the installation finishes, run the command below to reboot Proxmox
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    reboot now

Disable no pve-no-subscription pop-up

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sed -Ezi.bak "s/(Ext.Msg.show\(\{\s+title: gettext\('No valid sub)/void\(\{ \/\/\1/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service
Hypervisors, Proxmox
proxmox homelab
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