Working with intervals, it might take you anywhere from 3–5 days. This also depends on the RAM and processing power of your PC. You can use your LFS system like you would use Ubuntu, but to install packages you will have to compile them and their dependencies yourself with instructions from the BLFS book.

Is Linux From Scratch worth it?

If it is something existing distros or the like don’t cover, it is great. Otherwise it is not worth it. It is also good for learning how Linux works. … build Linux from scratch after that, you will learn more then.

How long does it take to compile kernel?

1. I am developing an I/O scheduler for Linux kernel. After any modifications in code every time it takes around 1 hour and 30 minutes for compiling and installing the whole kernel code to see the changes.