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psychocandy
Apprentice
Joined: 09 Nov 2006
Posts: 192
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 Posted: Fri Nov 24, 2006 11:38 am Post subject: SILO and Live CDs - Please help! |
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OK. I understand how SILO is a boot loader that gives you an option to decide which kernel to boot from....
When you're booting from CD, where does the filesystem come from? Is it the one on the CD? Or is this loaded into a RAMdisk in Silo?
How do you create a CD then to boot into Silo? Surely, at some point Silo must be written to the CD as a boot section or something? |
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gust4voz
Retired Dev
Joined: 09 Sep 2003
Posts: 373
Location: Buenos Aires, Argentina
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| Posted: Fri Nov 24, 2006 11:59 am Post subject: |
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Please don't post dupes.
All latest (like from 2004) media is built using a tool called catalyst -> http://www.gentoo.org/proj/en/releng/catalyst/
It basically takes care of everything with some simple configuration files (called spec files) - doesn't mean you'll hit a snag building media unless you use the same explicit snapshot used to build the latest, and even then you could hit an issue.
The docs aren't the latest but it should suffice to get rolling, the specfiles used to build our media are in sepparate ebuilds that get emerged if you emerge catalyst with USE=examples. I suggest you pick the latest ~sparc ones.
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Gustavo Zacarias
Gentoo/SPARC monkey |
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psychocandy
Apprentice
Joined: 09 Nov 2006
Posts: 192
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| Posted: Fri Nov 24, 2006 12:14 pm Post subject: |
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| gust4voz wrote: | Please don't post dupes.
All latest (like from 2004) media is built using a tool called catalyst -> http://www.gentoo.org/proj/en/releng/catalyst/
It basically takes care of everything with some simple configuration files (called spec files) - doesn't mean you'll hit a snag building media unless you use the same explicit snapshot used to build the latest, and even then you could hit an issue.
The docs aren't the latest but it should suffice to get rolling, the specfiles used to build our media are in sepparate ebuilds that get emerged if you emerge catalyst with USE=examples. I suggest you pick the latest ~sparc ones. |
Gustavo,
Sorry about the dupe....
I dont really want all the distro stuff to be honest...
To explain:-
1. Got a working gentoo install on my sparc box.
2. Got an existing custom boot CD.
3. Copied contents of CD to directory.
4. Mounted BIN file using -loop
5. Want to edit files / scripts in this image.
6. Installed cdrtools to get mkisofs.
7. Want to create bootable ISO with mkisofs using modified BIN image. |
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gust4voz
Retired Dev
Joined: 09 Sep 2003
Posts: 373
Location: Buenos Aires, Argentina
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| Posted: Fri Nov 24, 2006 5:32 pm Post subject: |
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Well it is not that simple, it depends which silo version said CD uses. In the older versions you'll need a special mkisofs, in the newer ones a regular one will do.
But i'm not about to explain what is perfectly told in catalyst's source.
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Gustavo Zacarias
Gentoo/SPARC monkey |
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