# linux 7 Centos 7 redhat 7 / hostname 변경 # [root@localhost ~]# hostnamelocalhost.localdomain [root@localhost ~]# [root@localhost ~]# hostnamectl set-hostname woo [root@localhost ~]# [root@localhost ~]# hostnamewoo [root@localhost ~]# cat /proc/sys/kernel/hostname woo # IT #/Linux 2018.01.23