Hello,
This article provides the best practices and usecases for troubleshooting issues with Parallels Plesk Panel (PP) for Linux. If the plesk admin show password utility displayed incorrect password, please follow these steps to fix this issue. After updating password it's showing the password correctly.
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[root@ ~]# /usr/local/psa/bin/admin --show-password
?%g??e
[root@ ~]#
[root@ ~]# /usr/local/psa/bin/init_conf -u -passwd rg0797
SUCCESS: Completed updating administrator's information.
[root@ ~]#
[root@ ~]# /usr/local/psa/bin/admin --show-password
rg0797
[root@ ~]#
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Thank you,