How to Find Out Machine Name/Hostname in Linux
Linux クラッシュ コース - Linux ワークステーションまたはサーバーのホスト名の設定
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How to Change Hostname on Ubuntu 22.04 LTS / Ubuntu 24.04 LTS
How to change the hostname in Ubuntu Linux
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Linux のローカル ドメインの /etc/hosts
Finding computer name using IP
Find out public IP address on Ubuntu