The following warning was shown during Plesk Onyx installation:
PLESK_ERROR: WARNING! Some problems are found during create reverse DNS zone – there is error during utility ‘/opt/psa/admin/sbin/mk_reverse_zone’ execution, please fix the problem and run it again.(see log file: /var/log/plesk/install/plesk_17.0.17_installation.log)
Plesk installation may be failed with the following error:
Trying to create reverse DNS zone: /opt/psa/admin/sbin/mk_reverse_zone:
Canonname is not correct fqdn.
It is impossible to detect the FQDN of the host.
Please make sure that the host name is correctly specified in /etc/hosts and goes right after the host's IP Address.
Depending on your OS, you might need to set the host name in /etc/HOSTNAME or /etc/hostname.
Terminate called after throwing an instance of 'std::runtime_error'
what(): Error on configure reverse DNS zone for localhost : fail to detect hostname
Server hostname is as follows:
Hostname of the server is not a valid FQDN name.
A fully qualified domain name (FQDN), sometimes also referred to as an absolute domain name, is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS).
Connect to the server via SSH.
Change the server’s hostname to FQDN one:
# hostname plesk.example.com
Re-run reverse DNS zone creation:
# plesk sbin mk_reverse_zone