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61 lines
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2.6 KiB
Markdown
61 lines
No EOL
2.6 KiB
Markdown
## Configuration
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Use the admin panel of your Pi-hole to configure this app. You may also need to follow the [post-install guide](https://docs.pi-hole.net/main/post-install/) to setup Pi-hole either as a *DNS server* or a *DHCP server*.
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## Limitations
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* Activate DHCP with Pi-hole needs manual configuration of your router.
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## Using Pi-hole as your DHCP server
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> **Be careful, you should considering that playing with your DHCP may break your network.
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In case your server is down, you will lose your dns resolution and ip address.
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So, you will lose any internet connection and even the connection to your router.**
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> **If you encounter this kind of problem, please see "How to restore my network" at the end of this document.**
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### How to configure Pi-hole
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There're two ways to configure Pi-hole to be used as your DHCP server.
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- Either you can choose to use it when you install the app.
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- Or you can activate the DHCP server afterwards in the "Settings" tab, "Pi-hole DHCP Server" part.
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In this second case, it can be better to set the ip of the server to a static address
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### How to configure my router
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Your personal router or ISP's router has a DHCP server enabled by default.
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If you keep this DHCP, along with Pi-hole's one, you will have transparent conflicts between them.
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The first DHCP to respond will distribute its own ip and settings.
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So you have to turn off the DHCP of your router to let Pi-hole managed your network.
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#### Why should I use only the DHCP of Pi-hole ?
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By using the DHCP of Pi-hole, you allow Pi-hole to give at each of your client its dns configuration. This way every requests will be filtered by Pi-hole.
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Another use case of using Pi-hole's DHCP is if you have hairpinning problems (You can't connect to your server because its IP is your public IP, and your router doesn't allow that).
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In this case, using Pi-hole's dns will allow you to connect to your server by its local address instead of its public one.
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### How to restore my network
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> Oh crap !
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Your Pi-hole server is down, and you don't have a DHCP anymore.
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Don't panic, We'll get through it. \o/
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Use your favorite terminal on your desktop computer.
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And first, get your main interface (usually `eth0`).
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``` bash
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sudo ifconfig
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```
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Then, set your ip as a static ip.
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``` bash
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sudo ifconfig eth0 192.168.1.100
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```
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Now, you can connect to your router and turn on its DHCP server to use it again.
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You can now reset your ip and get a dynamic address.
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``` bash
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sudo ifconfig eth0 0.0.0.0 && sudo dhclient eth0
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```
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> Don't forget to turn off the DHCP of your router if your server is working again. |