Unable to connect to Plesk server via SSH with
The following error can be found in
/var/log/messages(e.g. when connected not as
hostname crond: PAM unable to dlopen(/usr/lib64/security/pam_imunify.so): /usr/lib64/security/pam_imunify.so: cannot open shared object file: No such file or directory
Plesk notifications may not be sent after the execution of a Daily Maintenance task.
Cron tasks are not executed at the required time. In the
/var/log/cronlog file the following errors may persist:
crond: (root) PAM ERROR (Module is unknown)
crond: (root) FAILED to authorize user with PAM (Module is unknown)
The Imunify360 extension has been recently deleted from the server, however, its leftovers are still present in the
/etc/pam.d/password-auth configuration files.
Install SSH Terminal extension and login to the server.
Comment out corresponding lines in
/etc/pam.d/password-authas follows, e.g. using Vi:
#auth required pam_imunify.so check_only
#auth required pam_imunify.so