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new docs/how_to_reassign_a_static_ip_address_with_dnsmasq.md

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# How To Reassign a Static ip address with dnsmasq
On your router you can assign static ip addresses for various machines
in your network, by writing the reservations in the file `/etc/dnsmasq.conf`.
These will be in the form as below.
`dhcp-host=<mac address>,<ip address>`
So here's how you transfer an existing static ip address assignment to
a new client machine. Begin by editting the file `/etc/dnsmasq.conf` on
your router, and update the mac address associated with the intended
ip address.
Next, temporarily stop dnsmasq.
```bash
systemctl stop dnsmasq
```
Next shutdown networking on the new client machine. Shutting the machine down might work,
or the command `dhclient -v -r` might get the job done (you will lose the connection).
Now on the router, edit the file `/var/lib/misc/dnsmasq.leases`, and delete the pre-existing
lease for the old client machine that will no longer exist.
Restart dnsmasq on the router,
and then restart networking on the new client machine.

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* [LXD Container Home Server Networking For Dummies](lxd_container_home_server_networking_for_dummies.md)
* [How To Reassign A Static Ip Address with dnsmasq](how_to_reassign_a_static_ip_address_with_dnsmasq.md)
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