- Plesk Onyx for Linux
Unable to upgrade Plesk from Onyx to Obsidian version with the error below::
CONFIG_TEXT: Exception: Failed to solve dependencies:
plesk-mail-pc-driver-18.0-2.centos.7+p18.104.22.168+t190909.1738.x86_64 requires postfix >= 2:3.4.5
ERROR: The Yum utility failed to install the required packages.
Attention! Your software might be inoperable.
Visit https://support.plesk.com/ to search for a solution.
exit status 1
Yum plugins are installed and enabled in
# ls -l /etc/yum/pluginconf.d/
-rw-r--r-- 1 root root 19 May 12 23:27 priorities.conf
# cat /etc/yum/pluginconf.d/priorities.conf
enabled = 1
This is a Plesk bug with the #ID PPPM-11026, which will be fixed in future updates.
Until the bug will be fixed, apply the workaround below: