Distributed build: Difference between revisions
m →Setting up SSH: Minor wikicode formatting |
m Changed `nix store ping` to `nix store info`, because of the warning: 'ping' is a deprecated alias for 'info'. |
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{{Tip|The best test to check that the SSH access works for Nix is to run on your local machine: | {{Tip|The best test to check that the SSH access works for Nix is to run on your local machine: | ||
<code>nix store | <code>nix store info --store ssh://<REMOTE-BUILDER></code> | ||
Where <code><REMOTE-BUILDER></code> is the remote builder's IP address, host address or whatever name you configure in ~/.ssh/config or /root/.ssh/config, including the user@ prefix.}} | Where <code><REMOTE-BUILDER></code> is the remote builder's IP address, host address or whatever name you configure in ~/.ssh/config or /root/.ssh/config, including the user@ prefix.}} | ||
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You may also want to make nix on '''the remote machine''' trust that new user by adding it to {{ic|nix.settings.trusted-users}} if it's using NixOS, or by manually adding <code><nowiki>trusted-users = nixremote</nowiki></code> to {{ic|/etc/nix/nix.conf}}. | You may also want to make nix on '''the remote machine''' trust that new user by adding it to {{ic|nix.settings.trusted-users}} if it's using NixOS, or by manually adding <code><nowiki>trusted-users = nixremote</nowiki></code> to {{ic|/etc/nix/nix.conf}}. | ||
== | == Modify the local machine's Nix config to know about the remote machine. == | ||
The Nix package manager '''on your local machine''' '''needs to know that the remote builder exists''' and what its ''supported features'' are. See [https://nixos.org/manual/nix/stable/command-ref/conf-file#conf-system-features official supportedFeatures documentation]. | The Nix package manager '''on your local machine''' '''needs to know that the remote builder exists''' and what its ''supported features'' are. See [https://nixos.org/manual/nix/stable/command-ref/conf-file#conf-system-features official supportedFeatures documentation]. | ||
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* I can ping the store as root, but I'm getting "broken pipe" errors when trying to distribute. | * I can ping the store as root, but I'm getting "broken pipe" errors when trying to distribute. | ||
** You may have hit bug {{Issue|46038}}. Add <code>nix.distributedBuilds = true;</code> to <code>configuration.nix</code> and <code>nixos-rebuild switch</code>. | ** You may have hit bug {{Issue|46038}}. Add <code>nix.distributedBuilds = true;</code> to <code>configuration.nix</code> and <code>nixos-rebuild switch</code>. | ||
== Tips and tricks == | |||
=== One-time remote build === | |||
For a quick, one-time remote build without needing to change any system settings, see [[Nixos-rebuild#Deploying_on_other_machines]]. | |||
== See also == | == See also == | ||