125 lines
3.5 KiB
Markdown
125 lines
3.5 KiB
Markdown
## Hosts
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### `build01`
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- Provider: Hetzner
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- CPU: AMD Ryzen 9 3900 12-Core Processor
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- RAM: 128GB DDR4 ECC
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- Drives: 2 x 1.92 TB NVME
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### `build02`
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- Provider: Hetzner
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- CPU: AMD Ryzen 9 3900 12-Core Processor
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- RAM: 128GB DDR4 ECC
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- Drives: 2 x 1.92 TB NVME
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### `build03`
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- Provider: Hetzner
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- Instance type: [AX162-R](https://www.hetzner.com/dedicated-rootserver/ax162-r)
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- CPU: AMD EPYC 9454P 48-Core Processor
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- RAM: 256GB DDR5 ECC
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- Drives: 2 x 1.92 TB NVME
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### `build04`
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- Provider: Hetzner
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- Instance type: [RX170](https://www.hetzner.com/dedicated-rootserver/rx170)
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- CPU: Ampere Altra Q80-30 80-Core Processor
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- RAM: 128GB DDR4 ECC
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- Drives: 2 x 960 GB NVME
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### `darwin01`
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- Provider: OakHost
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- Instance type: [Apple Mac mini M2](https://www.oakhost.net/product/mac-mini-hosting-m2-24gb)
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- CPU: Apple M2
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- RAM: 24GB
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- Drives: 1 TB SSD
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### `darwin02`
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- Provider: OakHost
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- Instance type: [Apple Mac mini M2](https://www.oakhost.net/product/mac-mini-hosting-m2-24gb)
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- CPU: Apple M2
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- RAM: 24GB
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- Drives: 1 TB SSD
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### `web02`
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- Provider: Gandi
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- Instance type: [V-R4](https://www.gandi.net/en-GB/cloud/vps)
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- CPU: 2 CPU
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- RAM: 4GB
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- Drives: 25GB
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## SSH config:
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You will need to set your admin username if it doesn't match your local username.
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```
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Host *.nix-community.org
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User <youradminusername>
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```
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## Deployment commands:
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```console
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$ ./inv deploy
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```
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If you want to reboot a machine, use the following command:
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```console
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$ inv deploy --hosts build02 reboot --hosts build02
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```
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## Install/Fix system from Hetzner recovery mode
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1. Copy your ssh key to the recovery system so that the kexec image can re-use it.
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```console
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yourmachine> ssh-copy-id root@build0X.nix-community.org
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```
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2. Download and boot into kexec-image:
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```console
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$ curl -L https://github.com/nix-community/nixos-images/releases/download/nixos-unstable/nixos-kexec-installer-x86_64-linux.tar.gz | tar -xzf- -C /root
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$ /root/kexec/run
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```
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## Fix up broken installations with disko-install
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Disko install allows to update nixos configuration with out re-formatting, if the `--mode` parameter is set to `mount`. This assumes that the file system is still intact. `--disk` may need to be adjusted according to the concrete disko configuration. i.e. disks during installation may have different names than later in the recovery system. Use lsblk or `/dev/disk/by-partlabel` to reason about which disk is which.
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```console
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$ ls -la /dev/disk/by-partlabel/
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total 0
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drwxr-xr-x 2 root root 120 Jul 11 21:45 .
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drwxr-xr-x 11 root root 220 Jul 11 21:45 ..
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lrwxrwxrwx 1 root root 15 Jul 11 21:45 disk-nvme0n1-boot -> ../../nvme1n1p1
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lrwxrwxrwx 1 root root 15 Jul 11 21:45 disk-nvme0n1-ESP -> ../../nvme1n1p2
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lrwxrwxrwx 1 root root 15 Jul 11 21:45 disk-nvme0n1-zfs -> ../../nvme1n1p3
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lrwxrwxrwx 1 root root 15 Jul 11 21:45 disk-nvme1n1-zfs -> ../../nvme0n1p1
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$ lsblk
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NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
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loop0 7:0 0 310.8M 0 loop /nix/.ro-store
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loop1 7:1 0 36K 0 loop
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nvme1n1 259:0 0 1.7T 0 disk
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├─nvme1n1p1 259:3 0 1M 0 part
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├─nvme1n1p2 259:4 0 1G 0 part
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└─nvme1n1p3 259:5 0 1.7T 0 part
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nvme0n1 259:1 0 1.7T 0 disk
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└─nvme0n1p1 259:2 0 1.7T 0 part
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$ nix run github:nix-community/disko#disko-install -- --mode mount --flake github:nix-community/infra#build02 --disk nvme0n1 /dev/nvme1n1 --disk nvme1n1 /dev/nvme0n1
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```
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### Debug VM
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You can start a vm from the rescue system in order to debug the boot:
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```console
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$ nix-shell -p qemu_kvm --run 'qemu-kvm -m 10G -hda /dev/sda -hdb /dev/sdb -curses -cpu host -enable-kvm'
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```
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