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80 lines
2.2 KiB
Markdown
80 lines
2.2 KiB
Markdown
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# `/etc/hosts`
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This file is DNS before DNS and legacy remain which is still used.
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- [`blocklist`](#blocklist)
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- [`dns`](#dns)
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- [`hostname`](#hostname)
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- [`hosts.arch`](#hostsarch)
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- [`hosts.fedora`](#hostsfedora)
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- [`hosts.debian`](#hostsdebian)
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- [`hosts.steamos`](#hostssteamos)
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## `blocklist`
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Hosts that I dislike enough to mention in my `hosts` file.
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## `dns`
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This began from question why should I have DNS to have DNS, but having it on
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DNS resolver level broke DNSSEC due to my weird mixing of systemd-resolved and
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Unbound, so now it's something I can attempt to `/etc/hosts`.
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**_EXCERCISE CAUTION!_**
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## `hostname`
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As can be seen in `hosts.debian`, Debian specifies hostname in format such as:
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```
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::1 localhost
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::1 FQDN UQDN
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127.0.0.1 localhost
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127.0.1.1 FQDN UQDN
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```
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where FQDN means _Fully Qualified Domain Name_ and UQDN _Unqualified Domain
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Name_ (although I don't know if anyone else calls it like that) and I find
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that a good practice. Additionally I have observed my systems querying their
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own hostname from global DNS which seems unnecessary and not a great behaviour
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to me, while this file appended to `/etc/hosts` can tell it immediately all
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applications and make `resolvectl query hostname.localdomain` find it
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instantly.
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The `0200:0000:0000:0000:0000:0000:0000:0000`? Replace it with your Yggdrasil
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address from `yggdrasilctl getself`.
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## `hosts.arch`
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For now this is a symlink to `hosts.steamos` as I am pretty sure they haven't
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modified it.
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## `hosts.fedora`
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I am pretty sure this is the `/etc/hosts` that was given me by Fedora < 40
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with changes removed.
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## `hosts.debian`
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I think this is the Debian format which used to be just `../hosts` in this
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repository.
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## `hosts.steamos`
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The `/etc/hosts` file from `SteamOS Holo` variant steamdeck version `3.5.19`
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or `20240422.1`.
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