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config/README.md
2026-01-28 16:18:33 +00:00

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Config
------
Flakes:
$ deploy --interactive '#fwminex'
$ nix build .#deploy.nodes.fra1-c.profiles.system.path
Other:
$ nix build .#nixosConfigurations.vno3-rp3b.config.system.build.toplevel
$ nix eval .#nixosConfigurations.fwminex.config.services.nsd
$ nix why-depends .#nixosConfigurations.vno1-gdrx.config.system.build.toplevel .#legacyPackages.x86_64-linux.mbedtls_2
Encoding host-only secrets
--------------------------
Encode a secret on host:
rage -e -r "$(cat /etc/ssh/ssh_host_ed25519_key.pub)" -o secret.age /path/to/plaintext
Decode a secret on host (to test things out):
rage -d -i /etc/ssh/ssh_host_ed25519_key secret.age
Borg
----
BORG_PASSCOMMAND="cat /run/agenix/borgbackup-fwminex" borg --remote-path=borg1 list zh2769@zh2769.rsync.net:fwminex.jakst.vpn-home-motiejus-annex2
netboot
-------
1. `dmesg | grep enp0` <- find the usb interface
2. Disable power saving: `echo -1 | sudo tee /sys/bus/usb/devices/2-1/power/autosuspend`.
Testing netboot
---------------
```
sudo ip tuntap add dev tap0 mode tap user "$USER"
sudo ip link set dev tap0 up
sudo ip link set dev tap0 master br0
```
efi:
qemu-system-x86_64 \
-enable-kvm \
-cpu host \
-m 1024 \
-netdev tap,id=net0,ifname=tap0,script=no,downscript=no \
-device e1000,netdev=net0 \
-boot order=n \
-bios $(nix build .#nixosConfigurations.mtworx.pkgs.OVMF.fd --no-link --print-out-paths)/FV/OVMF.fd
bios:
qemu-system-x86_64 \
-enable-kvm \
-cpu host \
-m 8192 \
-netdev tap,id=net0,ifname=tap0,script=no,downscript=no \
-device e1000,netdev=net0 \
-boot order=n