Linux ホスト名の変更方法

/etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.1.1 hostname <- 変更

/etc/sysconfig/network

NETWORKING=yes
HOSTNAME=hostname.com <- 変更
GATEWAY=192.168.1.1