Permanent hostname change on RedHat based systems
RedHat based system use the file /etc/sysconfig/network to read the saved hostname at system boot. This is set using the init script /etc/rc.d/rc.sysinit /etc/sysconfig/network NETWORKING=yes HOSTNAME=»plain.domainname.com» GATEWAY=»192.168.0.1″ GATEWAYDEV=»eth0″ FORWARD_IPV4=»yes»
Conocer la version de RedHat o CentOS del servidor
usuario1@server usuario1]$ cat /etc/redhat-release CentOS release 5 (Final)