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53 lines
2.6 KiB
Markdown
53 lines
2.6 KiB
Markdown
# Diagnose YunoHost functioning
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If you have successfully [installed](/install) YunoHost and passed through the [post-installation](/postinstall), you probably have a **working server**.
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### <small>1.</small> Test it
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In a web browser, access to your server via the domain name you just entered at the post-installation step.
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For example: `http://mydomain.com`
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<div class="alert alert-warning">
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If you have taken a <b>.nohost.me</b> or a <b>.noho.st</b> domain, you may have to wait 5 min before the address is reachable.
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</div>
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---
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#### If that does not work...
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---
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### <small>2.</small> Have you configured your DNS well ?
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<div class="alert alert-info">
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This step is not necessary if you have a <b>.nohost.me</b> or a <b>.noho.st</b> domain
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</div>
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Go to https://www.whatsmydns.net/ , enter your domain name in the field and click `Search`.
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If you do not see your IP address, or if there are red crosses everywhere, then you have probably misconfigured your [DNS](/dns).
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---
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### <small>3.</small> Are network ports opened on your router ?
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If your DNS is properly configured, and your server is accessible locally, you may have **network ports blocked** or it may not be forwarded by your router.
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In order to verify this, try accessing your server with a client outside your local network. For example via another WiFi access point or with your mobile phone in 3G/4G.
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If the server is unreachable from outside your local network too, then the problem probably comes from your router's configuration.
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<div class="alert alert-info">
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Try to activate uPnP in your router's configuration interface, and check that your server is plugged in Ethernet directly behind it.
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<p>
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You can also redirect ports manually to your server's local IP address on the router's configuration interface.
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</p>
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</div>
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---
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### <small>4.</small> Do your router has hairpinning ?
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If the server is accessible from outside your local network, but unreachable with its domain name on the local network, then your router probably lacks <a href="https://en.wikipedia.org/wiki/Hairpinning" target="_blank">hairpinning</a>.
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Here is a [tutorial](dns_local_network) to access your server on a local network and bypass the hairpinning problem. The tutorial proposes a first solution to create a redirection with DNS of the ISP box and a second solution to modify the `hosts` file of the **clients** to instruct it to access the **server** via its local IP address. The first solution is preferable because it's not necessary to modify the `hosts` files on every computer on your local network, if you are using many different clients.
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