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docs: update TDX setup #1981

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5 changes: 3 additions & 2 deletions docs/docs/howto/cluster-setup/bare-metal.md
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Expand Up @@ -34,7 +34,7 @@ Consult AMD's [Using SEV with AMD EPYC Processors user guide](https://www.amd.co
</TabItem>
<TabItem value="intel" label="Intel TDX">

Follow Canonical's instructions in [4.2 Enable Intel TDX in Host OS](https://github.com/canonical/tdx?tab=readme-ov-file#42-enable-intel-tdx-in-host-os) (set `TDX_SETUP_ATTESTATION=1` in `setup-tdx-config`), [4.3 Enable Intel TDX in the Host's BIOS](https://github.com/canonical/tdx?tab=readme-ov-file#43-enable-intel-tdx-in-the-hosts-bios) and [9.2 Setup Intel&reg; SGX Data Center Attestation Primitives (Intel&reg; SGX DCAP) on the Host OS](https://github.com/canonical/tdx?tab=readme-ov-file#92-setup-intel-sgx-data-center-attestation-primitives-intel-sgx-dcap-on-the-host-os) (skipping step 9.2.1).
Follow Canonical's instructions in [4.3 Enable Intel TDX in the Host's BIOS](https://github.com/canonical/tdx?tab=readme-ov-file#43-enable-intel-tdx-in-the-hosts-bios) and [9.2 Setup Intel&reg; SGX Data Center Attestation Primitives (Intel&reg; SGX DCAP) on the Host OS](https://github.com/canonical/tdx?tab=readme-ov-file#92-setup-intel-sgx-data-center-attestation-primitives-intel-sgx-dcap-on-the-host-os) (skipping step 9.2.1).
You can ignore the other sections of the document.

Follow Intel's guide to [Update Intel TDX Module via Binary Deployment](https://cc-enabling.trustedservices.intel.com/intel-tdx-enabling-guide/04/hardware_setup/#update-intel-tdx-module-via-binary-deployment).
Expand All @@ -50,7 +50,8 @@ Intel recommends to install the latest TDX module version available.
Install Linux kernel 6.11 or greater.
</TabItem>
<TabItem value="intel" label="Intel TDX">
Follow Canonical's instructions on [setting up Intel TDX on Ubuntu 24.04](https://github.com/canonical/tdx?tab=readme-ov-file#41-install-ubuntu-server-image). Note that Contrast currently only supports Intel TDX with Ubuntu 24.04.
Install Ubuntu 25.10 and leave the kernel at the default version. Other distributions with a 6.16+ kernel might work as well, but we currently only provide support for Ubuntu 25.10.
Add the `nohibernate` and `kvm_intel.tdx=1` kernel command line parameters, for example by updating `GRUB_CMDLINE_LINUX` in `/etc/default/grub`.
</TabItem>
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