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[SOLVED] How to edit iso file in gentoo?
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kenmux
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PostPosted: Fri Dec 30, 2016 6:31 am    Post subject: [SOLVED] How to edit iso file in gentoo? Reply with quote

Hello all,

I download the latest minimal and stage3, and want to add stage3 to iso.
I know that, in ubuntu, use usb-creator-gtk is all ok.
Then how about gentoo? Is there any handy tool to accomplish that?

Thanks,
kenmux


Last edited by kenmux on Sat Dec 31, 2016 8:32 am; edited 1 time in total
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NeddySeagoon
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PostPosted: Fri Dec 30, 2016 10:18 am    Post subject: Reply with quote

kenmux,

Don't use the Gentoo minimal ISO. Start with System Rescue CD instead.
When you install that to a USB stick you can still use the rest of the USB filesystem in the normal way.
You don't end up with a ISO filesystem on a USB stick.

That's solving your problem without answering your question though.
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kenmux
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PostPosted: Fri Dec 30, 2016 12:16 pm    Post subject: Reply with quote

Hello NeddySeagoon,

I'd prefer minimal iso more than SystemRescueCd.
As I don't use UEFI, so it's good enough.
Plus, the gentoo handbook also uses the minimal iso as example.
The only problem is that, I want to download stage3 in advance.
So the install time can be shorten, that's all.
For I'm lazy, so I just want put stage3 into iso, that's better.

Thanks,
Kenmux
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Roman_Gruber
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PostPosted: Fri Dec 30, 2016 2:03 pm    Post subject: Reply with quote

Code:
*  app-cdr/isomaster
      Latest version available: 1.3.13
      Latest version installed: [ Not Installed ]
      Size of files: 240 KiB
      Homepage:      http://littlesvr.ca/isomaster
      Description:   Graphical CD image editor for reading, modifying and writing ISO images
      License:       GPL-2

[ Applications found : 1 ]



No idea if that works.

Use a usb pen drive, or put the file on the drive to be used
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John R. Graham
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PostPosted: Fri Dec 30, 2016 2:08 pm    Post subject: Reply with quote

Even lazier would be to copy the stage3 to another USB drive and use whatever ISO you choose unmodified.

- John
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Last edited by John R. Graham on Fri Dec 30, 2016 2:16 pm; edited 2 times in total
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fedeliallalinea
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PostPosted: Fri Dec 30, 2016 2:09 pm    Post subject: Reply with quote

kenmux wrote:
Plus, the gentoo handbook also uses the minimal iso as example.

But it's same if you use minimal iso or systemrescuecd (this is gentoo based).
Moreover systemrescuecd has more hardware support compared to minimal iso.
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Jaglover
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PostPosted: Fri Dec 30, 2016 2:29 pm    Post subject: Reply with quote

I never understood why the minimal ISO even exists. Isn't it a waste of human resources? Is it some sort of formality to have Gentoo on distrowatch? Everybody geeky enough to install Gentoo probably already has SystemRescueCD on USB for everyday use anyway. My first install was using Knoppix, I read the Handbook first before downloading the "Gentoo Installation Disk".
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dr_vic
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PostPosted: Fri Dec 30, 2016 6:45 pm    Post subject: Reply with quote

John R. Graham wrote:
Even lazier would be to copy the stage3 to another USB drive and use whatever ISO you choose unmodified...

+1
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Tony0945
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PostPosted: Fri Dec 30, 2016 9:53 pm    Post subject: Reply with quote

Jaglover wrote:
My first install was using Knoppix, I read the Handbook first before downloading the "Gentoo Installation Disk".
So was mine! I had forgotten and you jogged my memory. As to why we still have an install iso, I think that's a good question.
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dufeu
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PostPosted: Fri Dec 30, 2016 11:10 pm    Post subject: Reply with quote

Jaglover wrote:
I never understood why the minimal ISO even exists...
The only reason I can see for the minimal ISO to exist is to boot and build re-purposed i386 based, CLI system limited to 128 megs of RAM without the needed boot from USB BIOS support.

...


I know I used to have one of those around here somewhere ...
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khayyam
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PostPosted: Sat Dec 31, 2016 1:36 am    Post subject: Reply with quote

dufeu wrote:
The only reason I can see for the minimal ISO to exist is to boot and build re-purposed i386 based, CLI system limited to 128 megs of RAM without the needed boot from USB BIOS support.

dufeu ... 'minimal' also exists for amd64 and other arches, also, linux doesn't support i386 as of 3.14 (as I remember). The reason for the minimal iso is so there is a basic install image, users needn't use it, any boot disk could be used it it's place (as long as it boots, provides networking, EFI, and whatever else is need). While sysresccd is a better choice for a number of reasons (wireless drivers, efi, etc) there is still the minimal iso that the handbook can point to, and that for most cases will work. There are probably other factors, such as maintenance, bandwidth, and such, that are a consideration.

best ... khay
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kenmux
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PostPosted: Sat Dec 31, 2016 6:40 am    Post subject: Reply with quote

Roman_Gruber wrote:
Code:
*  app-cdr/isomaster
      Latest version available: 1.3.13
      Latest version installed: [ Not Installed ]
      Size of files: 240 KiB
      Homepage:      http://littlesvr.ca/isomaster
      Description:   Graphical CD image editor for reading, modifying and writing ISO images
      License:       GPL-2

[ Applications found : 1 ]



No idea if that works.

Use a usb pen drive, or put the file on the drive to be used


Thanks. I'll give a try.
I use a very old laptop shipped in 2009, all is out-of-date, in this scenario, minimal iso is not a bad choice.
As a gentoo user since 2011, the code base not on git yet, and also there's no SystemRescueCd.
As I had said, I'm lazy. I'm familiar with minimal iso. So I'll use it until it could not feed my meet.
So I'll turn to SystemRescueCd some day in the future, when I have a new pc?
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Roman_Gruber
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PostPosted: Sat Dec 31, 2016 7:51 am    Post subject: Reply with quote

sysrescue-cd has its limitations with lvm2 + external usb 3.0 case + SSD (downloaded a year ago and still in use, because i need that grub from that cd, that grub version not a higher one)

My old approach on myt9500 box was to install arch linux and chroot from there. Though i than ruined that arch linux during the update "atuomatic destroy" script.
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kenmux
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PostPosted: Sat Dec 31, 2016 8:31 am    Post subject: Reply with quote

Okay, isomaster may be a choice. Nice enough.
Thanks, Roman_Gruber; and thanks everybody!
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dufeu
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PostPosted: Sat Dec 31, 2016 12:05 pm    Post subject: Reply with quote

[quote="khayyam"]
dufeu wrote:
... also, linux doesn't support i386 as of 3.14 (as I remember)...
I had forgotten that.
khayyam wrote:
The reason for the minimal iso is so there is a basic install image, users needn't use it, any boot disk could be used it it's place (as long as it boots, provides networking, EFI, and whatever else is need). While sysresccd is a better choice for a number of reasons (wireless drivers, efi, etc) there is still the minimal iso that the handbook can point to, and that for most cases will work. There are probably other factors, such as maintenance, bandwidth, and such, that are a consideration.

best ... khay
The last time I used the minimal iso was for a Pentium Pro box re purposed as a router/firewall. I had 4 NICs in it set up with a DMZ etc. It was strictly a non-graphical installation.

These days, I use systemrescuecd. What's funny is that the first use I made of the new bluray writer I recently got was to burn a systemrescuecd CD for booting an older system who's BIOS had no bootable USB support {not one of mine!}. Normally, I use a USB stick.
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