ホスト名の設定と確認

• Ubuntu

(16)
hostnamectl
hostnamectl set-hostname ubu16

(18)
https://qiita.com/miyagaw61/items/dba800ee404d70792481

vim /etc/cloud/cloud.cfg

preserve_hostname: false
↓
preserve_hostname: true

hostnamectl
hostnamectl set-hostname ubu18

• Debian

(9)
hostnamectl
hostnamectl set-hostname deb9

• CentOS

(7)
hostnamectl
hostnamectl set-hostname centos7

• Windows Server

(2012R2)
https://www.projectgroup.info/tips/Windows/cmd_0009.html

hostname

wmic computersystem where name="%computername%" call rename name="winserver2012r2"
shutdown /r /t 3