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      /  Sam460ex lite Linux live CD/DVD where?
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fingus 
Sam460ex lite Linux live CD/DVD where?
Posted on 12-Sep-2016 9:51:54
#1 ]
Cult Member
Joined: 20-Oct-2006
Posts: 736
From: Unknown

I wanted to try out Linux on my Sam460ex with RadeonHD 6570 Ultimate and Julia-PCI-E-Soundcart.

Is there a Linux live CD/DVD that runs out of the box without the Need to tinkering around in the cli?

_________________
SAM460ex Lite, Radeon HD6570 Ultimate/1GB, Juli@Xte PCI-e soundcard (top notch!), eSATA-Connector, OS4.1 Final Edition, Author of Amiga-Flipclock

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 12-Sep-2016 10:38:43
#2 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@fingus

You can boot the normal Ubuntu-Mate-Live 16.04.1 DVD by booting the Sam460ex kernel,dtb and ramdisk from a usb thumb drive.

USB thumbdrive image. Download and write to usb drive. Rawdisk under AmigaOS4.1 works to write the image but you first have to set the usb drive up as an AmigaOS USB drive with Media Toolbox then write the image file with Rawdisk .
https://dl.dropboxusercontent.com/u/5429075/Linux/Sam_4.4.19-2-Ubuntu_16.04.1_Live.img

Ubuntu Mate 16.04.1 Live powerpc iso
http://cdimage.ubuntu.com/ubuntu-mate/releases/16.04/release/ubuntu-mate-16.04.1-desktop-powerpc.iso

There is a script in the documents directory of the first partition of the USB drive that you have to execute from AmigaOS 4.1 to set the Uboot-variables for booting from USB . See below . The script is named Sam460_Uboot_USB_Linux_Live_CD.txt
At the Sam460 uboot prompt use the command
run live

Important Note : Dont try to install Linux to Hard drive with the regular Ubuntu installer. it will delete your first hard dive partition if you get that far. There is a special script on the USB drive that works.
============================================================================
;Sam460ex Uboot settings for Linux booting via uboot shell

;Script by Julian Margetson (Spectre660)

; This file can be executed from AmigaOS 4.x to get the Uboot variables correct using the excute command.

;To enter the U-Boot shell press the Escape key while the Sam460ex boots

; To boot the Linux Kernel and Ramdisk Installer and ubuntu Live image from a Linux partition on a USB thumb drive from the U-Boot shell use
;run live

; remove the variables used for regular Linux booting as there is a limit to the number of variables that can be defined at a given time

nvsetvar usb=""
nvsetvar lan=""

;set the variables needed

;kernel name
nvsetvar ui="uImage-460"

;dtb file name
nvsetvar dt="sam460.dtb"

;ramdisk name
nvsetvar ur="uRamdisk"

;kernel load address
nvsetvar kl="1000000"

;dtb load address
nvsetvar dl="2000000"

;ramdisk load address
nvsetvar rl="3000000"

;USB partition with kernel,dtb and ramdisk . in this case the third partition of the first USB drive. Partition must be in ext2 format
nvsetvar pt="usb 0:3"

;Boot args option for Live DVD
nvsetvar bootargs="root=/dev/ramdisk file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet ro splash --"

;Boot args option for Live USB
;nvsetvar bootargs="root=/dev/ramdisk file=/dev/sdc/preseed/ubuntu-mate.seed boot=casper quiet ro splash -- rootdelay=10"

;Variable to load kernel and dtb file
nvsetvar ub1="ext2load ${pt} ${kl} ${ui};ext2load ${pt} ${dl} ${dt}"

;Variable to load URamdisk and boot everything
nvsetvar ub2="ext2load ${pt} ${rl} ${ur};bootm ${kl} ${rl} ${dl}"

;execute the two previous lines
nvsetvar live="run ub1;run ub2"

Last edited by Spectre660 on 26-Sep-2016 at 12:23 AM.
Last edited by Spectre660 on 12-Sep-2016 at 11:19 AM.
Last edited by Spectre660 on 12-Sep-2016 at 10:48 AM.
Last edited by Spectre660 on 12-Sep-2016 at 10:42 AM.
Last edited by Spectre660 on 12-Sep-2016 at 10:39 AM.

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fingus 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 19:48:56
#3 ]
Cult Member
Joined: 20-Oct-2006
Posts: 736
From: Unknown

@Spectre660

I stuck with Rawdisk, the "Start"-Button stay greyed out.

_________________
SAM460ex Lite, Radeon HD6570 Ultimate/1GB, Juli@Xte PCI-e soundcard (top notch!), eSATA-Connector, OS4.1 Final Edition, Author of Amiga-Flipclock

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elwood 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 20:57:04
#4 ]
Elite Member
Joined: 17-Sep-2003
Posts: 3409
From: Lyon, France

@fingus

You have to set the number of blocks to write. Yes it's strange. The tool should write the whole file without asking the user. :-/
I guess you can enter the value under "Most blocks" in the "Number of blocks" field and press start. It's overkill to give a value beyond your filesize but it should work. It will most probably stop when the end of file is reached.

Alternatively (not tested) you probably can enter: filesize/device-blocksize + 1
The device blocksize is displayed when you click the Icons/Information menu item of the Workbench when your device (USB key?) is selected.

Last edited by elwood on 13-Sep-2016 at 08:58 PM.

_________________
Philippe 'Elwood' Ferrucci
Sam460 1.10 Ghz
AmigaOS 4 betatester
Amiga Translator Organisation

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 21:09:43
#5 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@fingus

Do it from cli after the install of the usd drive in media toolbox .

rawdisk from Data:Downloads/Sam_4.4.19-2-Ubuntu_16.04.1_Live.img to USB0:

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SACC-dude 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 22:26:28
#6 ]
Regular Member
Joined: 16-May-2005
Posts: 234
From: Sacramento, CA

@Spectre660

How does this answer the OP request for a live cd/dvd and no cli?

BTW, I too, want to find a "live" linux cd

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OldAmigan 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 22:40:43
#7 ]
Cult Member
Joined: 25-Dec-2003
Posts: 561
From: Dumfries, Scotland

@Spectre660

Would this work on the A1XE, do you know?

_________________
Fred Booth
========================================
A500, A600, A1200 c/w Mediator and 030
AmigaOne and OS4.1
Mac LCII, G4 Powermac running OSX + Amigakit and MorphOS 3.0
Dell Mini 10 Netbook running IcAros and AmigaForever+Amikit+AmigaSys
2006 Macb

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 23:05:53
#8 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@SACC-dude

CLI on AmigaOS 4.1 ,not Linux, to write the image to the USB drive.
It can also be written using a windows program .USBImage tool.
http://www.alexpage.de/usb-image-tool/
Kernel,dtb and ramdisk could also be booted from a TFTP server in which case no USB drive is needed .

What machine do you need the live linux CD for ?

Quote:

SACC-dude wrote:
@Spectre660

How does this answer the OP request for a live cd/dvd and no cli?

BTW, I too, want to find a "live" linux cd

Last edited by Spectre660 on 13-Sep-2016 at 11:53 PM.
Last edited by Spectre660 on 13-Sep-2016 at 11:36 PM.
Last edited by Spectre660 on 13-Sep-2016 at 11:28 PM.

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 23:23:17
#9 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@OldAmigan

No.
Would need an properly configured A1XE linux kernel and ramdisk .
These would have to be booted via TFTP or a special DVD would probably need to be done incorporation the kernel and ramdisk.

Quote:

OldAmigan wrote:
@Spectre660

Would this work on the A1XE, do you know?

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 13-Sep-2016 23:53:00
#10 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

Files required for tftp booting of the Live DVD on Sam460ex . Including AmigaDos script fro setting uboot variables .


https://www.dropbox.com/s/jchkhi7d6y8klsp/Live-Dvd-Boot.tar.gz?dl=0


===========================================================================
;Sam460ex Uboot settings for Linux booting via uboot shell

;Script by Julian Margetson (Spectre660)

; This file can be executed from AmigaOS 4.x to get the Uboot variables correct using the excute command.

;To enter the U-Boot shell press the Escape key while the Sam460ex boots

; To boot the Linux Kernel and Ramdisk Installer from a TFTP server and Ubuntu Live DVD from the U-Boot shell use
;run live

; remove the variables used for regular Linux booting as there is a limit to the number of variables that can be defined at a given time

nvsetvar usb=""
nvsetvar lan=""

;set the variables needed
;============================================================================================================

; the following ip addresses need to be set for tftp with the correct addresses for your server and your Sam460

;TFTP Server ip address
nvsetvar serverip=192.168.1.14

;Sam460 ip address
nvsetvar ipaddr=192.168.1.15

;============================================================================================================

;kernel name
nvsetvar ui="uImage-460"

;dtb file name
nvsetvar dt="sam460.dtb"

;ramdisk name
nvsetvar ur="uRamdisk"

;kernel load address
nvsetvar kl="1000000"

;dtb load address
nvsetvar dl="2000000"

;ramdisk load address
nvsetvar rl="3000000"

;USB partition with kernel,dtb and ramdisk . in this case the third partition of the first USB drive. Partition must be in ext2 format
nvsetvar pt="usb 0:3"

;Boot args option for Live DVD
nvsetvar bootargs="root=/dev/ramdisk file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet ro splash --"

;Boot args option for Live USB
;nvsetvar bootargs="root=/dev/ramdisk file=/dev/sdc/preseed/ubuntu-mate.seed boot=casper quiet ro splash -- rootdelay=10"

;Variable to load kernel and dtb file
nvsetvar ub1="tftp ${kl} ${ui};tftp ${dl} ${dt}"

;Variable to load URamdisk and boot everything
nvsetvar ub2="tftp ${rl} ${ur};bootm ${kl} ${rl} ${dl}"

;execute the two previous lines
nvsetvar live="run ub1;run ub2"

==========================================================================

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SACC-dude 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 15-Sep-2016 7:45:43
#11 ]
Regular Member
Joined: 16-May-2005
Posts: 234
From: Sacramento, CA

@Spectre660

I just want a "live" cd that I can place in the drive and see linux working.
I'll even pay for it (not a lot)

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fingus 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 15-Sep-2016 8:50:52
#12 ]
Cult Member
Joined: 20-Oct-2006
Posts: 736
From: Unknown

@Spectre660

Stick preparation with the image-file worked.

What to do with the ISO-File (http://cdimage.ubuntu.com/ubuntu-mate/releases/16.04/release/ubuntu-mate-16.04.1-desktop-powerpc.iso)?

Copy whole file on one of the partitions or extract the iso to it?

_________________
SAM460ex Lite, Radeon HD6570 Ultimate/1GB, Juli@Xte PCI-e soundcard (top notch!), eSATA-Connector, OS4.1 Final Edition, Author of Amiga-Flipclock

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 15-Sep-2016 9:54:21
#13 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@fingus


Burn the the iso to a dvd .
Use the execute command in AmigaO 4.1 to run the Sam460_Uboot_Linux.txt script
in the Documents directory of the USB Drive .
Boot your Sam460 with the iso in the DVD drive.
Enter the Uboot Shell by pressing the escape key while booting .
type
run live
press enter
and wait until the desktop comes up. your should see a spash screen while linux is loading .
If you end up with a blank screen after the loading of the kernel and ramdisk then restart
the process from booting the Sam with the DVD in the drive.

Quote:

fingus wrote:
@Spectre660

Stick preparation with the image-file worked.

What to do with the ISO-File (http://cdimage.ubuntu.com/ubuntu-mate/releases/16.04/release/ubuntu-mate-16.04.1-desktop-powerpc.iso)?

Copy whole file on one of the partitions or extract the iso to it?

_________________

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 15-Sep-2016 10:38:14
#14 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@SACC-dude

For what specific model powerpc machine ?

Quote:

SACC-dude wrote:
@Spectre660

I just want a "live" cd that I can place in the drive and see linux working.
I'll even pay for it (not a lot)

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 15-Sep-2016 21:53:48
#15 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

Thread continued on Hyperion-entertainmnet support forums
http://forum.hyperion-entertainment.biz/viewtopic.php?f=52&t=3525

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Hypex 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 16-Sep-2016 16:36:10
#16 ]
Elite Member
Joined: 6-May-2007
Posts: 9207
From: Greensborough, Australia

@Spectre660

Quote:
For what specific model powerpc machine ?


Given the title of the thread I'd say a Sam460ex.

This should be easily possible. There were full bootable Debian images on ACube's site. Just need to modify a live image CD the same way.

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 16-Sep-2016 17:05:53
#17 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@Hypex

If it were then he could try to follow follow the instructions in the thread like Fingus.

Quote:

Hypex wrote:
@Spectre660

Quote:
For what specific model powerpc machine ?


Given the title of the thread I'd say a Sam460ex.

This should be easily possible. There were full bootable Debian images on ACube's site. Just need to modify a live image CD the same way.

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Hypex 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 17-Sep-2016 17:25:01
#18 ]
Elite Member
Joined: 6-May-2007
Posts: 9207
From: Greensborough, Australia

@Spectre660

Well that's manually booting it. So not sticking in a CD and letting it rip.

I know modifying a full live CD would be a pain to do. But it has been done to a Debian CD before.

It should be easy enough to make a full USB boot image. After you format it with a working filesystem and install a booter on the OS4 side. Which would be challenging. Set up a boot menu. And copy Linux files to it. Image USB drive. Bootable USB stick.

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Spectre660 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 17-Sep-2016 17:39:25
#19 ]
Elite Member
Joined: 5-Jun-2005
Posts: 3685
From: Unknown

@Hypex

The problem is that my Kernels and ramdisks are too big for the current version of the Sam ub2lb boot loader required for boot from DVD.
A lot of functions and most of the supported video cards would have to be stripped out to get the kernel back down to the supported size. If ub2lb were recompiled to allow larger kernels sizes and larger ramdisk sizes then no problem. (I think that this needs the DENX cross compiler setup which I have not been able to get set up. It won't compile native for me)
Later on if you install to harddrive ub2lb does not support ext4 partitions and can cause problems booting AmigaOS when an ext4 partition exists on the hard drive.

The fastest and best solution is to boot the Linux kernels and ramdisks from a TFTP server so no need for the USB stuff .

Quote:

Hypex wrote:
@Spectre660

Well that's manually booting it. So not sticking in a CD and letting it rip.

I know modifying a full live CD would be a pain to do. But it has been done to a Debian CD before.

It should be easy enough to make a full USB boot image. After you format it with a working filesystem and install a booter on the OS4 side. Which would be challenging. Set up a boot menu. And copy Linux files to it. Image USB drive. Bootable USB stick.

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sinisrus 
Re: Sam460ex lite Linux live CD/DVD where?
Posted on 17-Sep-2016 17:40:19
#20 ]
Member
Joined: 8-Dec-2006
Posts: 67
From: Unknown

@Spectre660

After booting ubuntu USB

I have login: and password:

I do not know what to wear?

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