How To: Set Host, IP & Domain – Linux Redhat
In Linux redhat server configuration IP address, hostname and domain name play an important role to connect with other client / server. If we made any mistakes in IP address, Hostname and domainname , two systems will not communicate each other.
Hostname, Domainname should be same and IP address shouls be in same network.
Eg:
Hostname: Server1.example.com
Doamin name: example.com
IP Address: 192.168.1.110
How To view IP address, Hostname & Domain name
For ip address: #ifconfig
For hostname: #hostname
For doaminname: #domainname
How To Setup
Go to System -> Administration -> Network
(or)
In terminal mode
#neat
To edit in Terminal
#system-config-network-tui
To edit in GUI
#system-config-network-gui
How To Set Hostname
#hostname –> This command will display current hostname
#hostname <new hostname>
#hostname station4.example.com
How To Set Domainname
#domainname –> This command will display current domain name
#domainname new domain name
#domainname example.com
Also you have make an entry in this configuration file
#vim /etc/hosts
#vim /etc/sysconfig/network
#vim /etc/resolv.conf
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