ホスト名設定
「hostnamectl set-hostname (ホスト名).(ドメイン名)」を入力
[root@pidora ~]# hostnamectl set-hostname pidora.domain.local
[root@pidora ~]# hostnamectl
Static hostname: pidora.domain.local
Icon name: computer
Chassis: n/a
Machine ID: ~
Boot ID: ~
Operating System: Pidora 2014 (Raspberry Pi Fedora Remix)
Kernel: Linux 3.12.26-1.20140808git4ab8abb.rpfr20.armv6hl.bcm2708
Architecture: armv6l