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Not experiened with Ubuntu. Set up a dhcp server about a year ago but don't remember the command to see the active leases.

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2 Answers 2

Try checking the lease file /var/lib/dhcp/dhcpd.leases

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Here's a great command using CLI - You can go to the directory where dhcpd.log file is located and do:

tail -f dhcpd.log

That will show you leases as they are being issued by the server in real time.

You can also do:

cat /var/lib/dhcpd/dhcpd.leases to see leases that are in the lease file dhcpd.leases

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