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I have bought a HP 819185-421 proliant microserver, and I want to install ubuntu server before buying hard disks. So, I burn Ubuntu 14.04 in a usb(4GB) using the software "ISO to USB", but after choosing the usb in the bios, it said "no OS found, please remove units without OS and reboot" (something like that, I do not remember the exacts words). I know that if I switch off the server, the usb does not save the configuration, but I only want to install the ubuntu server, make some test and after that, buy hard disk.

Thanks for all

southernKid33
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  • If your server is booting in UEFI you need to create a UEFI boot USB. Your server will need hard disks no matter what OS you decide on so I don't see why you haven't gone ahead and ordered them based upon how much data you will be storing on them. The OS itself will need 10 to 60 GB. – WinEunuuchs2Unix Dec 31 '16 at 00:31

1 Answers1

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Regarding your intention there are two issues:

  1. Ubuntu server is not a live cd/live usb. Thus you need a harddisk to install ubuntu server.
  2. To bring the ubuntu server iso on usb, use dd. (All other tools failed with the server edition when I did it):

dd if=ubuntu-14.04.5-server-amd64.iso of=/dev/sdc && sync

(adapt iso file name and usb device appropriately)

If you insist in doing a test ride, you can use the ubuntu desktop edition. This is a live cd/live usb. (can be created with dd as stated above, or other tools)

Hint: Why aren't you using ubuntu server 16.04LTS?

It has long term support too and is newer (=support for more hardware)

How much disk space is needed?

Ubuntu Server 16.04LTS takes about 2.2GB space in its default installation. (Ubuntu + SSH server)

user636290
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