Special Ways Of Installing Linux

There are also several special ways of installing linux to your system, I wouldnt call any of them easy, but they are in special cases needed, and installing with one of these methods will teach you alot more about your system then the run-of-the-mill install ever will.

Install/Boot Linux from an Iso file

I have NOT been able to find any guides on doing this, closest I have found is a forum post (second one)here: article with forum posts

Install Ubuntu from Linux, without cds and network

https://help.ubuntu.com/community/Installation/FromLinux

Installing Ubuntu, downloading all the packages required during installation without the use of cds or usb

https://help.ubuntu.com/community/Installation/NetbootInstallFromInternet

Install Linux using Netboot

Difficulty: Hard
Advantages: Linux can be installed without the need for a cdrom on the client computer, netboot acn also be used to make thin clients without any harddrive in. Linux can be mass installed to several computers at a time and can also be used to let every client has his own personal desktop if you use grub instead of your bios to boot the netbootimages(make a list in grub to make users choose who they are)
Disadvantages: Hard to setup, even harder if you have several machines using different network cards
How to reverse it: Delete the partition you installed to, and reinstall grub or reconfigure grub
What do I need: A working Linux system
How do I proceed:
Follow this guide:
Install Linux using netboot

Install Ubuntu/Debian from within Ubuntu/Debian, without cd or usb using debootstrap

Difficulty: Medium
Advantages: Linux can be installed with a minimum of programs, making it faster and it can be installed remotely through ssh for instance. (also, you can just install a minimal system and use apt-build to build yourself up, thereby compiling every package and making the system very fast)
Disadvantages: Only works on debian systems
How to reverse it: Delete the partition you installed to, and reinstall grub or reconfigure grub
What do I need: A working Debian/Ubuntu system
How do I proceed:
Follow this guide: Install Ubuntu using debootstrap

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