[1]Insert a disk for installation of Ubuntu and reboot your computer. Next, Choose your language and go next.
[2]Push Enter key to start installation.
[3]Select your language again.
[4]Select your country for time-zone.
[5]Select the locale.
[6]Select "No" and set it manually on the next.
[7]Select your keyboard type.
[8]Select your keyboard layout.[9]Set your server's hostname you'd like to set.
[10]Set a user account. The user set on here is administration user by default.
[11]Input a user name used on the system.
[12]Set password.
[13]If you'd like to encrypt home directory, answer "Yes".
[14]Make sure the time-zone is correct and go next.
[15]This is the section for configuring partitions. This example selects "Guided" like follows.
[16]Select a disk to create partitions.
[17]If it's OK all, answer "Yes".
[18]Enter the amount of disks that you'd like to set for LVM volume group.
[19]It's completed to configure partitions. If it's OK, answer "Yes".
[20]Installation of base system proceeds.
[21]Set Proxy if you use it. If not, Continue with empty.
[22]Select if you set automatical update. automatical update is convenience but sometimes it causes troubles, so if you use this server as a Mission Critical Server, Don't use automatical update, it's better to update by manually after verification.
[23]Select softwares to install. Go next without checking boxes all, it's better to install something only if needed.
[24]Answer "Yes" if you'd like to install Grub on MBR.
[25]Installation completed. Remove the disk and Continue. Then system will reboot.
[26]The system boots and show login prompt like below. Login with a user you set in installation.