Ubuntu Server Guide
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Serving Files
You can skip the whole section of the following manual setup instruction by using this non-official tool. The tool will setup your TFTP server to serve necessary files for netbooting. Necessary Files There are several files needed for this process. The following files are needed: • Ubuntu live server image – For arm64 architecture, its image name has a -arm64 suffix. For example, ubuntu-20.04.1-live- server-arm64.iso. – For amd64 architecture, its image name has a -amd64 suffix. For example, ubuntu-20.04.1-live- server-amd64.iso. • grub efi binary (and the corresponding grub.cfg, which is a txt file) – For arm64 architecture, it is grubnetaa64.efi .signed. – For amd64 architecture, it is grubnetx64.efi .signed. • initrd extracted from your target Ubuntu live server image (use hwe−initrd instread if you want to boot with HWE kernel) • vmlinuz extracted from your target Ubuntu live server image (use hwe−vmlinuz instead if you want to boot with HWE kernel) Examples In the following sections, we will take arm64 image as an example. This means the following files are used: • Ubuntu 20.04.1 live server image ubuntu-20.04.1-live-server-arm64.iso from http://cdimage.ubuntu.com/ubuntu/releases/20.04.1/release/ubuntu- 20.04.1-live-server-arm64.iso • grub efi binary grubnetaa64.efi .signed from http://ports.ubuntu.com/ubuntu-ports/dists/focal/main/uefi/grub2- arm64/current/grubnetaa64.efi.signed • initrd extracted from ubuntu-20.04.1-live-server-arm64.iso • vmlinuz extracted from ubuntu-20.04.1-live-server-arm64.iso Please replace the corresponding files when you want to work on amd64 image. For example, your files may be: • Ubuntu 20.04.1 live server image ubuntu-20.04.1-live-server-amd64.iso from https://releases.ubuntu.com/20.04.1/ubuntu- 20.04.1-live-server-amd64.iso • grub efi binary grubnetx64.efi .signed from http://archive.ubuntu.com/ubuntu/dists/focal/main/uefi/grub2- amd64/current/grubnetx64.efi.signed • initrd extracted from ubuntu-20.04.1-live-server-amd64.iso • vmlinuz extracted from ubuntu-20.04.1-live-server-amd64.iso 321 |
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