Gentoo Archives: gentoo-user

From: Thomas Yao <t.yao426@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Boot Gentoo - by hand - line-by-line - command-by-command?
Date: Mon, 27 Sep 2010 00:43:50
Message-Id: AANLkTikG43rGAcOROrrsHUEApgNs7mkH0e6pWaiGy8F2@mail.gmail.com
In Reply to: [gentoo-user] Boot Gentoo - by hand - line-by-line - command-by-command? by Mark Knecht
1 You may try Linux From Scratch and try to write the init script
2 yourself, it's good for self-education
3
4 Once you master the LFS you can learn more things interesting and
5 amazing in gentoo
6
7 On 9/27/10, Mark Knecht <markknecht@×××××.com> wrote:
8 > Hi,
9 > I'm curious if there's a way to capture the exact set of command
10 > that my machine executes as it boots up. I.e. - if I boot the machine,
11 > letting the boot loader find the kernel but then stopping at a bash
12 > prompt, before anything much has been done, I'd then like to know what
13 > set of commands I could use from that bash prompt to make the machine
14 > do whatever it does normally as it boots up.
15 >
16 > Is that possible, and is it documented anywhere? Or instead of
17 > capturing commands maybe just a list of things that happen and the
18 > bash commands I'd use to execute them myself.
19 >
20 > I think the init scripts, at least the ones I've found under
21 > runlevels, are more generic than I would like to run. I'm looking for
22 > something more like the portion of the install guide where we chroot
23 > into the new build, except executing that from the command line of a
24 > new machine that's booted. I.e.:
25 >
26 > mount /dev/hda4 /mnt/gentoo
27 > mount -t proc none /mnt/gentoo/proc
28 > mount -o bind /dev /mnt/gentoo/dev
29 >
30 > except modified to start from nothing and bring the machine up from
31 > scratch. Mount /proc, mount /dev, start udev, check root filesystem,
32 > etc.
33 >
34 > This is totally for self-education and nothing else really. Just
35 > curious about how it happens, what order things happen, etc. If anyone
36 > can recommend a good _basic_ book that talks about this I'd appreciate
37 > it.
38 >
39 > Thanks,
40 > Mark
41 >
42 >
43
44
45 --
46 @ghosTM55
47 Mechanism, not policy

Replies

Subject Author
Re: [gentoo-user] Boot Gentoo - by hand - line-by-line - command-by-command? Mark Knecht <markknecht@×××××.com>