The ubuntu-16.04-preseed from nekatak

ubuntu-16.04-preseed's Introduction

### Preseeding of ubuntu 16.04, 18.04 server iso

http://releases.ubuntu.com/16.04/ubuntu-16.04.6-server-amd64.iso
http://cdimage.ubuntu.com/ubuntu-server/bionic/daily/current/bionic-server-amd64.iso

Folders included here need to be copied in the unpacked iso. 

Unpack iso with this command:
```bash
xorriso -osirrox on -indev ubuntu-18.04.3-live-server-amd64.iso -extract / iso-dir
```

Remaster iso - isohybrid will create the MBR partition to make it bootable from BIOS firmware:
```bash
cd iso-dir/
sudo genisoimage -r -J -b isolinux/isolinux.bin -c isolinux/boot.cat  -no-emul-boot -boot-load-size 4 -boot-info-table -o ~/ubuntu-16.04-server-preseeded.iso ./

sudo isohybrid ~/ubuntu-16.04-server-preseeded.iso
```


In order to be able to boot with modern UEFI and legacy BIOS firmware remaster the iso with the following command:
```bash
sudo xorriso -as mkisofs -r -V "Custom Ubuntu Install CD" -cache-inodes -J -l -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin -c isolinux/boot.cat -b isolinux/isolinux.bin  -no-emul-boot -boot-load-size 4 -boot-info-table -eltorito-alt-boot -e boot/grub/efi.img -no-emul-boot -isohybrid-gpt-basdat -o ~/bionic-preseeded-iso-hybrid.iso ./
```
Detailed explanation here: https://help.ubuntu.com/community/InstallCDCustomization


#### Partitioning

Testing raid and raid/lvm partitioning. Successful attempts have resulting output of `lsblk` in the commit.

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