Name resolution error during installation

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Introduction

During the installation of the Plesk interface or its update by hand on a Linux dedicated server, un Virtual Linux server or a Instance CloudstackIt is possible to meet this type of error in the logs following an abandonment of the script.

Warning!
Unable to detect the fully qualified domain name of the host.
Please make sure that FQDN of the host 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).

Setting it to localhost.localdomain
 Trying to resolve hostname ‘localhost.localdomain’ and validate its IP address…
Unable to resolve host name.
Please specify the host name in the /etc/hosts file or specify DNS configuration in the /etc/resolv.conf on your system.

Prerequisites

• Have a Server dedicated Linux
• Have a Virtual Server Linux
• Have an instance Cloudstack
• A facility not updated of the Plesk interface
• You want to install a Plesk interface

Solution

Check in the host file of the hostname in the log in /etc/hots:

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

You can then restart the installation.

Source

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