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NixOS: The Power of Declarative Linux

Dive into the world of NixOS, a unique and powerful Linux distribution

Where Configurations Meet Innovation!

NixOS is a revolutionary Linux distribution that leverages the power of declarative configuration to ensure a reproducible, reliable, and versatile operating system environment. With NixOS, system configurations are described in a single file, making it easy to manage and reproduce setups across different machines. Whether you're a developer, sysadmin, or a Linux enthusiast, NixOS offers a robust and flexible platform for your needs.

  • 1

    Enable SSH

                
sudo nano /etc/nixos/configuration.nix 
        
# Enable the OpenSSH daemon.
 services.openssh.enable = true

#add also wget in:
   packages = with pkgs; [

    wget
    ];

        
sudo nixos-rebuild switch
  • 2

    Find the IP and ssh into the machine

  • 3

    Download the configuration files

    Code Example with Copy Functionality 
    wget https://raw.githubusercontent.com/4rji/archivos-b/main/configurationnew.nix
  • 4

    Add configuration files to existing nixos file

    You cannot copy the file like this because it has specific settings for each machine. Then rebuild the system with nixos-rebuild
  • 5

    Installing Virt-Manager with QEMU

    If you want to install Qemu with Virt-Manager, download the configuration file and add it to the nixos configuration file.
  • 6

    Download the configuration files and copy it on /etc/nixos/

    Code Example with Copy Functionality 
    wget https://raw.githubusercontent.com/4rji/archivos-b/main/vm.nix
  • 7

    Add the file to the configuration and rebuild NixOS

                
  #/etc/nixos/configuration.nix add:

  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ./vm.nix
    ];
  • 8

    Connect virt manager to the Hypervisor

  • 9

    Fix the shell for 4rji

                
#change the shell path
#from /opt/4rji/bin
sudo find /opt/4rji/bin/* -type f -exec sed -i 's|^#!/bin/bash|#!/run/current-system/sw/bin/bash|' {} +
sudo find /opt/4rji/bin/* -type f -exec sed -i 's|^#!/bin/zsh|#!/run/current-system/sw/bin/bash|' {} +

#or use the script 
nixosshell


#Just add this line ******************** under the user
  shell = pkgs.zsh;


#Like this:
users.users.yourusername = {
  isNormalUser = true;
  shell = pkgs.zsh;