SSH Config Cheat Sheet/Canonicalize hostnames

Resolve short names into FQDNs automatically.

Section: Client Config Basics

Canonicalize hostnames

sshconfig
sshconfig
Host *
  CanonicalizeHostname yes
  CanonicalDomains example.com corp.internal
Explanation

Resolve short names into FQDNs automatically.

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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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