While installing WHM and Cpanel facing errors

Posted August 7, 2018 9.2k views
CentOSInitial Server Setup

2018-08-07 12:26:55 540 ( INFO): Validating that the system hostname (‘centos-s-1vcpu-1gb- sgp1-01’) is a FQDN…
2018-08-07 12:26:55 546 (ERROR):
2018-08-07 12:26:55 547 (ERROR): ********************* ERROR *********************
2018-08-07 12:26:55 548 (ERROR):
2018-08-07 12:26:55 549 (ERROR): Your hostname (centos-s-1vcpu-1gb-sgp1-01) is invalid, an d must be
2018-08-07 12:26:55 550 (ERROR): set to a fully qualified domain name before installing cP anel.
2018-08-07 12:26:55 551 (ERROR):
2018-08-07 12:26:55 552 (ERROR): A fully qualified domain name must contain two dots, and consists of two parts: the hostname and the domain name.
2018-08-07 12:26:55 553 (ERROR): You can update your hostname by running hostname your-ho, then re-running the installer.
2018-08-07 12:26:55 555 (ERROR): ********************* ERROR *********************
2018-08-07 12:26:55 556 (FATAL): Exiting…
how to install whm and cpanel in in domain

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2 answers

Hello friend!

Though this documentation is a bit older, it should be quite fine for the task. Basically, you need a fully qualified domain name as your server hostname. Check out this guide:

Kind Regards,

Hello, rajendrancreative

You need a fully qualified domain name as your server hostname. Run this command in order to set the hostname


Also please make sure to check our existing tutorial on how to install cPanel:


by Etel Sverdlov
cPanel is a convenient application that allows users to administer servers through a GUI interface instead of the traditional command line. Although the installation for cPanel is relatively simple, the script does take several hours to run. Here's how to install cPanel on a virtual server running Centos 6