Configure host information

This topic describes how to configure host information.

Procedure

Perform the following steps to configure the host information on all servers:

1. Specify the IP address and hostname of the current server in /etc/hosts.

   [root@xxx /]# vi /etc/hosts
   xxx.xxx.xxx.xxx observer1
   

   Note

   Fill in the actual IP address. The IP address in the sample code is for reference only.

2. Specify HOSTNAME=observer1 in /etc/sysconfig/network.

   [root@xxx /]# vi /etc/sysconfig/network
   HOSTNAME=observer1
   

3. Specify the hostname in /etc/hostname.

   [root@xxx /]# vi /etc/hostname
   observer1
   

4. Run the following command to obtain the IP address of the current host:

   [root@xxx /]# hostname -i
   xxx.xxx.xxx.xxx