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Install NixOS on Hetzner Cloud: Difference between revisions

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Fix ssh user
Use SSH key instead of password
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#When asked, enter value of the token in the prompt.  '''Note''': the token with "Read/Write" permissions can be obtained on a project page inside Hetzner Cloud: <nowiki>https://console.hetzner.cloud/projects/0000000/security/tokens</nowiki>
#When asked, enter value of the token in the prompt.  '''Note''': the token with "Read/Write" permissions can be obtained on a project page inside Hetzner Cloud: <nowiki>https://console.hetzner.cloud/projects/0000000/security/tokens</nowiki>
#Upload your public key to Hetzner:<syntaxhighlight lang="shell">
hcloud ssh-key create --name 'My public key' --public-key-from-file /path/to/my/public/key
</syntaxhighlight>
#Create a VM on Hetzner. Run:<syntaxhighlight lang="shell">
#Create a VM on Hetzner. Run:<syntaxhighlight lang="shell">
hcloud server create --name my-hetzner-vm --type cpx21 --image ubuntu-24.04 --location fsn1
hcloud server create --name my-hetzner-vm --type cpx21 --image ubuntu-24.04 --location fsn1 --ssh-key 'My public key'
</syntaxhighlight>Write down IP and generated user password. '''Note 1''': this tutorial uses <code>cpx21</code> VM instance type which corresponds to an x86 architecture marchine with 3 CPU cores and 4GB of RAM, and <code>fsn1</code> location which corresponds to a data center in the city of Falkenstein in Germany. A list of all instance types can be obtained by running command <code>hcloud server-type list</code>, while a list of all locations can be obtained by running <code>hcloud location list</code> command. '''Note 2''': Hopefully, Hetzner Cloud team will support NixOS disk images soon, see [https://www.reddit.com/r/NixOS/comments/1desdbv/could_we_convince_hetzner_to_add_nixos_as_a/ Could we convince Hetzner to add Nixos as a standard image choice].
</syntaxhighlight>Write down the IP. '''Note 1''': this tutorial uses <code>cpx21</code> VM instance type which corresponds to an x86 architecture marchine with 3 CPU cores and 4GB of RAM, and <code>fsn1</code> location which corresponds to a data center in the city of Falkenstein in Germany. A list of all instance types can be obtained by running command <code>hcloud server-type list</code>, while a list of all locations can be obtained by running <code>hcloud location list</code> command. '''Note 2''': Hopefully, Hetzner Cloud team will support NixOS disk images soon, see [https://www.reddit.com/r/NixOS/comments/1desdbv/could_we_convince_hetzner_to_add_nixos_as_a/ Could we convince Hetzner to add Nixos as a standard image choice].
#SSH onto the server using IP and root password obtained after the previous step:<syntaxhighlight lang="shell">
ssh root@0.0.0.0
</syntaxhighlight>
#Change the password to something temporal, for example: <code>my-temp-password-123</code>.
# On your host computer, create a folder. Run:<syntaxhighlight lang="shell">
# On your host computer, create a folder. Run:<syntaxhighlight lang="shell">
mkdir -p /tmp/my-first-flake/my-vms/my-hetzner-vm/
mkdir -p /tmp/my-first-flake/my-vms/my-hetzner-vm/
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   system.stateVersion = "24.05";
   system.stateVersion = "24.05";
}         
}         
</syntaxhighlight>'''Note''': the value of <code>initialHashedPassword</code> was obtained using <code>mkpasswd</code> command in Linux, and corresponds to <code>Password.123</code> string used as password.<syntaxhighlight lang="nix">
</syntaxhighlight>'''Note''': the value of <code>initialHashedPassword</code> above was obtained using <code>mkpasswd</code> command in Linux, and corresponds to <code>Password.123</code> string used as password.<syntaxhighlight lang="nix">
# /tmp/my-first-flake/flake.nix
# /tmp/my-first-flake/flake.nix


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