Netboot: Difference between revisions

(3 intermediate revisions by one other user not shown)

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let

~~# NixOS 22.11 as of 2023-01-12~~

nixpkgs = builtins.getFlake "github:nixos/nixpkgs/nixos-25.11";

nixpkgs = builtins.getFlake "github:nixos/nixpkgs/~~54644f409ab471e87014bb305eac8c50190bcf48~~";

sys = nixpkgs.lib.nixosSystem {

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</syntaxHighlight>Building:<syntaxhighlight lang="bash">

# Build pixiecore runner

nix build -f system.nix -o /tmp/run-pixiecore

nix-build system.nix -o /tmp/run-pixiecore

</syntaxhighlight>Running:<syntaxhighlight lang="bash">

# Open required firewall ports

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modules = [

# Reduce build time by ~7x (~1 minute instead of many minutes) by not using the highest compression (image is 5% larger).

({ ... }: { netboot.squashfsCompression = "zstd -Xcompression-level 6"; })

version-module

example-configuration

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in

if legacy then run-dnsmasq else run-pixiecore}}

if legacy then run-dnsmasq else run-pixiecore|name=netboot.nix|lang=nix}}

Building:

<syntaxhighlight lang="bash"># Build pixiecore runner

nix build -f netboot.nix -o /tmp/run-pixiecore

nix-build netboot.nix -o /tmp/run-pixiecore

# Build dnsmasq + pxelinux runner

nix build -f netboot.nix --arg legacy true -o /tmp/run-dnsmasq

nix-build netboot.nix --arg legacy true -o /tmp/run-dnsmasq

# Build for some ancient system with a serial console

nix build -f netboot.nix --arg name '"ancient-netboot"' -o /tmp/run-netboot \

nix-build netboot.nix --arg name '"ancient-netboot"' -o /tmp/run-netboot \

--arg configuration 'import ./ancient-config.nix' \

--arg legacy true --arg proxynets '["10.2.1.0"]' \

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* Run the example exactly like the other example further up on the page.

=== Troubleshooting ===

* Error "'''autoexec.ipxe... Operation not supported'''": See [https://github.com/NixOS/nixpkgs/pull/378513#pullrequestreview-3081586117 this issue].

=== See also ===

@@ Line 10: / Line 10: @@
 <syntaxHighlight lang=nix>
 let
-  # NixOS 22.11 as of 2023-01-12
+   nixpkgs = builtins.getFlake "github:nixos/nixpkgs/nixos-25.11";
-   nixpkgs = builtins.getFlake "github:nixos/nixpkgs/54644f409ab471e87014bb305eac8c50190bcf48";
    sys = nixpkgs.lib.nixosSystem {
@@ Line 49: / Line 48: @@
 </syntaxHighlight>Building:<syntaxhighlight lang="bash">
 # Build pixiecore runner
-nix build -f system.nix -o /tmp/run-pixiecore
+nix-build system.nix -o /tmp/run-pixiecore
 </syntaxhighlight>Running:<syntaxhighlight lang="bash">
 # Open required firewall ports
@@ Line 127: / Line 126: @@
      modules = [
        <nixpkgs/nixos/modules/installer/netboot/netboot-minimal.nix>
+      # Reduce build time by ~7x (~1 minute instead of many minutes) by not using the highest compression (image is 5% larger).
+      ({ ... }: { netboot.squashfsCompression = "zstd -Xcompression-level 6"; })
        version-module
        example-configuration
@@ Line 205: / Line 206: @@
 in
-if legacy then run-dnsmasq else run-pixiecore}}
+if legacy then run-dnsmasq else run-pixiecore|name=netboot.nix|lang=nix}}
 Building:
 <syntaxhighlight lang="bash"># Build pixiecore runner
-nix build -f netboot.nix -o /tmp/run-pixiecore
+nix-build netboot.nix -o /tmp/run-pixiecore
 # Build dnsmasq + pxelinux runner
-nix build -f netboot.nix --arg legacy true -o /tmp/run-dnsmasq
+nix-build netboot.nix --arg legacy true -o /tmp/run-dnsmasq
 # Build for some ancient system with a serial console
-nix build -f netboot.nix --arg name '"ancient-netboot"' -o /tmp/run-netboot \
+nix-build netboot.nix --arg name '"ancient-netboot"' -o /tmp/run-netboot \
    --arg configuration 'import ./ancient-config.nix' \
    --arg legacy true --arg proxynets '["10.2.1.0"]' \
@@ Line 221: / Line 222: @@
 * Run the example exactly like the other example further up on the page.
+=== Troubleshooting ===
+* Error "'''autoexec.ipxe... Operation not supported'''": See [https://github.com/NixOS/nixpkgs/pull/378513#pullrequestreview-3081586117 this issue].
 === See also ===