c5e418eabc
<message>Add a new step-by-step guide for deploying the CM4 eMMC provisioning service on a new Proxmox instance, enhancing clarity for users. Update existing documentation to reflect changes in network configuration options, including the introduction of LAN subnet settings for DHCP and TFTP. Modify cloud-init scripts to ensure proper management of DNS settings and improve the handling of network interfaces. Additionally, enhance the toggle script for network boot to dynamically read the LAN gateway from configuration files, streamlining the setup process and improving user experience.
19 lines
1.2 KiB
Markdown
19 lines
1.2 KiB
Markdown
# LXC config (network boot: eth1 = LAN, eth0 = WAN)
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Config files for the **provisioning LXC** when using **eth1** as a provisioning LAN (DHCP + TFTP for network boot, NAT for internet).
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**LAN subnet:** When you deploy with `DEPLOY_LXC_LAN_SUBNET` (e.g. `10.100.1.1/24`), the deploy script writes `/opt/cm4-provisioning/lan-subnet.conf` inside the LXC with `LAN_GW`, `LAN_CIDR`, and `DHCP_RANGE_START`/`DHCP_RANGE_END`. The setup script and toggle script read this file so dnsmasq, NAT, and PXE options all use the same subnet. If the file is missing, defaults are `10.20.50.1/24` and `10.20.50.100`–`10.20.50.200`.
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| File | Purpose |
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|------|--------|
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| **dnsmasq-network-boot.conf** | Template: dnsmasq DHCP + TFTP on eth1. Setup script writes `/etc/dnsmasq.d/network-boot.conf` using values from `lan-subnet.conf`. |
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| **nft-nat-lan.conf** | Template: nftables NAT for LAN→WAN. Setup script writes `/etc/nftables.d/nat-lan.conf` using `LAN_CIDR` from `lan-subnet.conf`. |
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Setup is done by running (from your machine):
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```bash
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./emmc-provisioning/scripts/setup-network-boot-on-lxc.sh root@<LXC-IP>
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```
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See [../docs/NETWORK-BOOT-LXC.md](../docs/NETWORK-BOOT-LXC.md) for full documentation.
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