Symptoms
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Upgrade to Plesk Obsidian fails with the following dependency error if
postfix-perl-scriptsis installed:PLESK_ERROR: Exception: Failed to solve dependencies:
2:postfix-perl-scripts-2.10.1-7.el7.x86_64 requires postfix = 2:2.10.1-7.el7
Error: Package: 2:postfix-perl-scripts-2.10.1-7.el7.x86_64 (base)
Requires: postfix = 2:2.10.1-7.el7
Installed: 2:postfix-3.4.5-2.centos.7+p18.0.19.0+t190904.1310.x86_64 (@PLESK_18_0_19-dist)
postfix = 2:3.4.5-2.centos.7+p18.0.19.0+t190904.1310
Available: 2:postfix-2.10.1-7.el7.x86_64 (base)
postfix = 2:2.10.1-7.el7 -
In Plesk Obsidian, it's not possible to install additional Postfix packages such as
postfix-perl-scripts.
Cause
This is considered as a Plesk bug with ID #PPPM-11129 which will be fixed in future Plesk updates.
Resolution
Note: Currently it is not possible to use additional Postfix libraries/packages in Plesk Obsidian.
As a temporary workaround, apply the following solution:
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Connect to the server via SSH
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Remove
postfix-perl-scriptspackage:# yum remove postfix-perl-scripts
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Proceed with upgrade:
# plesk installer
Comments
2 comments
While trying the same Obsidian upgrade (Plesk 17.8 -> Plesk 18), I experienced the same dependency issue with "postfix = 2:2.10.1-7.el7".
In my case, the troubling package is "2:postfix-sysvinit-2.10.1-7.e17.noarch": it will not upgrade, citing the same dependency. As a result, it will block the whole upgrade.
Successfully applied the resolution:
1. Connect via SSH
2. Run "yum remove postfix-sysvinit"
3. Run "plesk installer"
Thank you! :-)
Luca
@Thank you for sharing with us!
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