Applicable to:
- Plesk for Linux
Symptoms
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CentOS 7 to AlmaLinux conversion fails in Plesk.
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/var/log/leapp/leapp-report.txtsays that the Plesk GPG key is missingRisk Factor: high (inhibitor)
Title: Detected unknown GPG keys for target system repositories
Summary: Some of the target repositories require GPG keys that are not installed in the current RPM DB or are not stored in the /etc/leapp/files/vendors.d/rpm-gpg/,/etc/leapp/repos.d/system_upgrade/common/files/rpm-gpg/8 directory. Leapp is not able to guarantee validity of such gpg keys and manual review is required, so any spurious keys are not imported in the system during the in-place upgrade. The following additional gpg keys are required to be imported during the upgrade:
- http://autoinstall.plesk.com/plesk.gpg
Remediation: [hint] Check the path to the listed GPG keys is correct, the keys are valid and import them into the host RPM DB or store them inside on of the , directories prior the upgrade. If you want to proceed the in-place upgrade without checking any RPM signatures, execute leapp with the--nogpgcheckoption.
Key: e7e3f34a530e861b14f1cdd759cb62f92677066f -
Additional Plesk repositories were added by Plesk extensions
# grep -iR "plesk.gpg" /etc/yum.repos.d/
/etc/yum.repos.d/plesk-ext-watchdog.repo:gpgkey=http://autoinstall.plesk.com/plesk.gpg
/etc/yum.repos.d/plesk-ext-nodejs.repo:gpgkey=http://autoinstall.plesk.com/plesk.gpg
/etc/yum.repos.d/plesk-ext-panel-migrator.repo:gpgkey=http://autoinstall.plesk.com/plesk.gpg
Cause
This was caused by a product issue, PPPM-14883, and fixed in Plesk Obsidian 18.0.69, released April 15th, 2025 (Linux).
Resolution
To resolve the issue, update Plesk to the version with the fix: How to install Plesk updates
If updating is not possible, manually download the key or remove the additional extensions and their repositories.
Download Plesk GPG Key
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Log in to the server over SSH
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Create this directory if it doesn't exist:
/etc/leapp/files/vendors.d/rpm-gpg/# mkdir /etc/leapp/files/vendors.d/rpm-gpg/
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Download the key into this directory
# wget http://autoinstall.plesk.com/plesk.gpg -O /etc/leapp/files/vendors.d/rpm-gpg/plesk.gpg
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Run the conversion script
Remove Extensions
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Log in to the server over SSH
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List the repositories that use the Plesk GPG key
# grep -r plesk.gpg /etc/yum.repos.d/
/etc/yum.repos.d/plesk-ext-panel-migrator.repo:gpgkey=http://autoinstall.plesk.com/plesk.gpg
/etc/yum.repos.d/plesk-ext-watchdog.repo:gpgkey=http://autoinstall.plesk.com/plesk.gpg -
Remove the listed extensions from Plesk:
# plesk bin extension --uninstall watchdog
# plesk bin extension --uninstall panel-migrator -
Run the conversion script
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