Linux - Dns

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What is DNS ? The Domain Name System

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Management

Configuration

resolv.conf

Linux - The DNS resolver (/etc/resolv.conf)

nsswitch.conf

Name Service Switch configuration file

/etc/nsswitch.conf

Example:

• host resolution

 grep "^hosts" /etc/nsswitch.conf

hosts:      files dns myhostname

/etc/host.conf

• /etc/host.conf: Resolver configuration file

Lookup

See DNS clients - A list of client that can query the DNS database