- Create a new disk image (I use VDI for compatibility with VirtualBox)
- Allocate some RAM (>6 GiB to start)
- Add some video memory and enable 3D acceleration, if needed
- Optional: Enable EFI (instead of BIOS)
- Attach
nixos-minimalISO for installation - Boot into the ISO
John Rinehart johnrichardrinehart
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <meta charset="UTF-8"> | |
| <title>Page Title</title> | |
| <meta name="viewport" content="width=device-width,initial-scale=1"> | |
| <link rel="stylesheet" href=""> | |
| <style> | |
| </style> | |
| <script src=""></script> | |
| <body> |
johnrichardrinehart
/ configuration.nix
Created
October 11, 2021 09:51
configuration.nix to use for fresh installs of NixOS 21.05 (enables flakes and sets some standard options for grub/UEFI)
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| { config, pkgs, ... }: | |
| let | |
| grubOptions = { | |
| boot.loader.grub.enable = true; | |
| boot.loader.grub.version = 2; | |
| boot.loader.grub.device = "/dev/vda"; | |
| }; | |
| uefiOptions = { | |
| boot.loader.systemd-boot.enable = true; | |
| boot.loader.efi.canTouchEfiVariables = true; |
johnrichardrinehart
/ install.sh
Last active
October 11, 2021 08:36
NixOS swap and MBR install script
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| #!/usr/bin/env bash | |
| # You can fetch to disk with | |
| # curl -o install.sh <raw_gist_url> | |
| # | |
| # Run with `sudo` | |
| # Environment variables: | |
| # NIXOS_INSTALL_SWAP_SIZE (default: "8GiB") | |
| # NIXOS_INSTALL_ROOT_DRIVE (default: "/dev/sda") | |
| # NIXOS_INSTALL_EDIT_CONFIGURATION_FILE (default: "yes", accepted value: "no") |
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| #!/usr/bin/env bash | |
| # Run with `sudo` | |
| # Environment variables: | |
| # NIXOS_INSTALL_SWAP_SIZE (default: "8GiB") | |
| # NIXOS_INSTALL_ROOT_DRIVE (default: "/dev/sda") | |
| # NIXOS_INSTALL_EDIT_CONFIGURATION_FILE (default: "yes", accepted value: "no") | |
| # https://stackoverflow.com/a/2013589 | |
| NIXOS_INSTALL_SWAP_SIZE="${NIXOS_INSTALL_SWAP_SIZE:=8GiB}" |
johnrichardrinehart
/ pointer_deref_vs_value.sh
Last active
September 15, 2021 16:53
A shell script that compares: A) assigning a pointer to a variable and B) assigning the pointer to a dereferenced pointer to a variable
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| #!/usr/bin/env bash | |
| fifo="tmp.fifo" | |
| mkfifo "${fifo}" | |
| # write the below go code to the fifo | |
| function write_pointer_deref { | |
| cat <<EOF > ${fifo} | |
| package foo |
johnrichardrinehart
/ nixos_in_virtualbox.md
Last active
May 5, 2024 19:05
NixOS from "scratch" as Virtualbox Guest
johnrichardrinehart
/ stressballer.go
Created
February 11, 2021 10:39
Stress test demo code for charm.io
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| package main | |
| import ( | |
| "context" | |
| "flag" | |
| "fmt" | |
| "sync" | |
| "time" | |
| "github.com/chromedp/cdproto/network" |
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| # build an ISO image that will auto install NixOS and reboot | |
| # $ nix-build make-iso.nix | |
| let | |
| config = (import <nixpkgs/nixos/lib/eval-config.nix> { | |
| system = "x86_64-linux"; | |
| modules = [ | |
| <nixpkgs/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix> | |
| ({ pkgs, lib, ... }: | |
| let |
johnrichardrinehart
/ webpack-dev-server_output
Created
November 27, 2020 10:17
webpack-dev-server doesn't accept contentBase as a valid field
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| /home/john/Downloads/repos/project/app/.yarn/cache/schema-utils-npm-3.0.0-e97702da81-a084f593f2.zip/node_modules/schema-utils/dist/validate.js:104 | |
| throw new _ValidationError.default(errors, schema, configuration); | |
| ^ | |
| ValidationError: Invalid configuration object. Object has been initialized using a configuration object that does not match the API schema. | |
| - configuration has an unknown property 'contentBase'. These properties are valid: | |
| object { bonjour?, client?, compress?, dev?, firewall?, headers?, historyApiFallback?, host?, hot?, http2?, https?, injectClient?, injectHot?, liveReload?, onAfterSetupMiddleware?, onBeforeSetupMiddleware?, onListening?, open?, openPage?, overlay?, port?, proxy?, public?, setupExitSignals?, static?, stdin?, transportMode?, useLocalIp? } | |
| at validate (/home/john/Downloads/repos/project/app/.yarn/cache/schema-utils-npm-3.0.0-e97702da81-a084f593f2.zip/node_modules/schema-utils/dist/validate.js:104:11) | |
| at new Server (/home/john/Downloads/repos/project/app/. |
johnrichardrinehart
/ LFS-compiler-bootstrapping.gv
Created
September 16, 2020 23:15
A graphviz file outlining the LFS GCC compiler bootstrap sequence
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| digraph G { | |
| // edges | |
| subgraph cluster_degradedgcc { | |
| style=filled; | |
| color=lightgrey; | |
| cc1 -> lapih -> glibc -> libstdcpp1; | |
| label=< <b> cc1: Degraded bootstrap cross-compiler </b> >; | |
| } | |
| subgraph cluster_supgcc { |
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