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Unable to access Plesk: /usr/local/psa/admin/logs/panel.log cannot be opened with mode "a"

Ivan Kamnev

Updated September 25, 2023 10:53

Plesk for Linux kb: technical ABT: Group A

Applicable to:

Plesk for Linux

Symptoms

In an attempt to access Plesk, the process fails with the error below:

PLESK_ERROR: ERROR: Zend_Log_Exception
"/usr/local/psa/admin/logs/panel.log" cannot be opened with mode "a"

Cause

Wrong ownerships for the /var/log/plesk/ directory or /var/log/plesk/panel.log file.

Resolution

Log into the the server via SSH.
Execute the commands below one by one to set proper ownerships for /var/log/plesk/ directory:

# chmod 0750/var/log/plesk/

# chown psaadm:root /var/log/plesk/
Run the following commands to set correct ownerships for the /var/log/plesk/panel.log file:

# chmod 0640 /var/log/plesk/panel.log

# chown psaadm:root /var/log/plesk/panel.log

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