Rebuild NixOS with Flake:

nixos-rebuild switch --flake /etc/nixos/#default

Update home:

home-manager switch --flake /etc/nixos/#richard

List generations:

nixos-rebuild list-generations

Delete older generations:

nix-collect-garbage --delete-older-than 5d

See Home Manager manual:

man home-configuration.nix

1. Disk encryption:

   cryptsetup luksFormat /dev/nvme0n1p2
   cryptsetup luksOpen /dev/nvme0n1p2 crypted
   pvcreate /dev/mapper/crypted
   vgcreate vg /dev/mapper/crypted
   lvcreate -l '100%FREE' -n nixos vg

2. Formatting:

   mkfs.ext4 -L nixos /dev/vg/nixos

1. Add channel:

   nix-channel --add https://github.com/nix-community/home-manager/archive/master.tar.gz home-manager
   nix-channel --update

   or

   nix-channel --add https://github.com/nix-community/home-manager/archive/release-24.11.tar.gz home-manager
   nix-channel --update

2. Install:

   nix-shell '<home-manager>' -A install

Connect to a WPA-PSK network using NetworkManager:

sudo nmcli connection add type wifi \
    ifname <deviceName> \
    con-name <SSID> \
    ssid <SSID> \
    wifi-sec.key-mgmt wpa-psk \
    wifi-sec.psk "<password>"

Connect to a WPA-PEAP network using NetworkManager:

sudo nmcli connection add type wifi \
    ifname <deviceName> \
    con-name <SSID> \
    ssid <SSID> \
    wifi-sec.key-mgmt wpa-eap \
    802-1x.eap peap \
    802-1x.identity "<identity>"
    802-1x.password "<password>" \
    802-1x.phase2-auth mschapv2