getent
SafeQuery NSS databases
getent passwd <user>
Queries users/groups/hosts through NSS regardless of backend — perfect for 'does LDAP resolve?'.
Examples
getent hosts fileserverCombined hosts+DNS lookup
Syntax
getent <database> [key] (passwd/group/hosts等)
Before you run it
Read only.
The same reference, with no signal at all
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