How to solve ssh: Could not resolve hostname : Name or service not known

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How to solve ssh: Could not resolve hostname : Name or service not known

這篇介紹How to solve ssh: Could not resolve hostname : Name or service not known。

解決方法:

將local IP和hostname加到/etc/hosts即可使用ssh hostname指令
$vim /etc/hosts
$source /etc/hosts
$ssh -p 12345 hostname