Set FQDN on Linux for SAP Server

An example FQDN: myserver.mkysoft.com

Add computer name to /etc/hostname file.

myserver

Add you domain to /etc/resolv.conf.

domain mkysoft.com

Add host name and domain with IP to /etc/hosts.

10.10.1.5  myserver.mkysoft.com myserver

You can check yor configuration with niping tool. This tool can be found n SAPRouter package.

niping -v -H myserver.mkysoft.com

Hostname/Nodeaddr verification:
===============================

Hostname of local computer: myserver                         (NiMyHostName)
FQHN of local computer: myserver.mkysoft.com                 (NiGetOwnFQDN)

Lookup of hostname: myserver                                 (NiHostToAddr)
    --> IP-Addr.: 10.10.1.5
Lookup of IP-Addr.: 10.10.1.5                                (NiAddrToHost)
    --> Hostname: myserver.mkysoft.com

Lookup of hostname: myserver.mkysoft.com                     (NiHostToAddr)
    --> IP-Addr.: 10.10.1.5
Lookup of IP-Addr.: 10.10.1.5                                (NiAddrToHost)
    --> Hostname: myserver.mkysoft.com