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Old 09-11-2013, 11:16 AM   #1
jonnyog
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Question howto install linux on old imac


Hi,
I was given an old imac and have been trying to install linux on to it - I partitioned the hard disk and tried rebooting with both a live cd and a live usb - in both cases pressing the option button, however in all cases i still only get the option to boot into the mac os - anyone have any ideas or has done this before - I will have to follow up with exac hardware and OS versions as I do not have these to hand right now
 
Old 09-11-2013, 11:28 AM   #2
rokytnji
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Kinda old and stab in the dark since you do not mention anything but old imac.

http://forums.debian.net/viewtopic.php?f=16&t=43326
 
Old 09-11-2013, 01:14 PM   #3
YellowApple
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Old iMac, eh?

Well, first thing we need to know: Intel or PowerPC? Better yet, do you have the model number?

Second, which distro are you trying to use?

With a LiveUSB, my first guess would be that the USB stick was formatted with a DOS partition table rather than using an Apple Partition Map.

EDIT: if it even supports USB booting at all; a large number of PowerPC Macs' OpenFirmware versions either don't support USB booting at all or don't support it consistently.

Last edited by YellowApple; 09-11-2013 at 01:15 PM.
 
Old 09-11-2013, 01:54 PM   #4
jamison20000e
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http://www.linuxquestions.org/questi...pc-4175469521/

And\or:

Showing results 1 to 50 of 600 (for imac)
Search took 3.69 seconds.
 
Old 09-12-2013, 02:05 AM   #5
Jamesfredette
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still i mac is very hard enough to understand the problem, what could be the reason of it here, any ideas and help would be appreciated
 
Old 09-12-2013, 08:21 AM   #6
jamison20000e
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Yes, way more info and if you got it working could help the next s out
 
Old 09-21-2013, 11:43 AM   #7
jonnyog
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Hi,

Thanks for all the interested replys.

It is definitely a PowerPC - I tried booting off both a LIVE CD (with no luck) and also off a LIVE USB but yes you are correct it was formatted to FAT (in both cases the extra medium was not detected by the Apple Boot Manager - I also tred installing refit but got a message saying it was not compatible that version of the iMAC OS

I tried several distros including CentOS, MINT and Ubuntu - any recommendations for preference

I will try formatting to Apple Partition Table, loading the Live Linux and booting from there

Question: Will UNETBOOTIN work on an Apple formatted USB Drive?

Kind Regards,
Jonny
 
Old 09-21-2013, 11:53 AM   #8
jonnyog
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seems like very similar problem to the one just mentioned (iMAC G5 on PPC) but what hasn't got a final answer
i.e. http://www.linuxquestions.org/questi...pc-4175469521/

its said there is a ubuntu for ppc (image and iso)

http://cdimage.ubuntu.com/releases/12.04/release/

also mentioned why not simply use installation cd rather than live CD

never did a installation with a installation CD before - always with live

how does that work?

note: the hard drive is already partitioned in two

Last edited by jonnyog; 09-21-2013 at 11:54 AM.
 
Old 09-21-2013, 02:23 PM   #9
YellowApple
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Just for clarification, what's the model of this iMac? Is it one of the old colorful ones? Many old PowerPC Macs don't support USB booting at all.
 
Old 09-21-2013, 06:06 PM   #10
jamison20000e
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Quote:
Originally Posted by jonnyog View Post
... never did a installation with a installation CD before - always with live

how does that work? ...
It should be graphical like a live CD but for only going through the install process... (if it is text based only like back in the day or some "trickier" distros (can still be) I use to need another device to Google Q and A e.g. now I can make due with:
Code:
man
4175469521

Last edited by jamison20000e; 09-21-2013 at 06:43 PM.
 
Old 10-06-2013, 07:07 AM   #11
jonnyog
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Cool Solving ----

Hi,

I had a look at Yellow Dog Linux and found good support for the Apple iMAC G5 PowerPC (thats what I've got!). Note that I had gone through a long process of partitioning the drive before-hand but given the total lack of support for this architecture in many applications e.g. Firefox, Flash, etc, etc, I really just want to get rid of this OSX and just put Linux on there). So I went here to find the download - http://yellowdoglinux.com/support/downloads/ - then created the dvd with brasero - put the dvd in the slot and rebooted - at this point I held down the "C" key, not the command key the actual key with C (for Cat) on it - sure enough after a few screen reflashes I ended up with a black screen, white text and boot: prompt - at this stage I was feeling confident - the instructions from here on can be found here - http://yellowdoglinux.com/support/in...pple_guide.pdf - I selected to wipe all partitions and just put Linux on there - this is obviously the simplest option, many would not want to do this, but that requires partitioning the drive in a particular way which I was not capable of doing - the installation is now on-going...


installation went fine, using it now but not really ipresssed with ydl desktop - also the computer is slower and the graphics are jumpy - gonna try putting ubuntu for ppc on there and see if there is an improvement in performance - just finding ydl hard to navigate...

Last edited by jonnyog; 10-06-2013 at 09:00 AM.
 
Old 10-06-2013, 02:59 PM   #12
YellowApple
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Quote:
Originally Posted by jonnyog View Post
installation went fine, using it now but not really ipresssed with ydl desktop - also the computer is slower and the graphics are jumpy - gonna try putting ubuntu for ppc on there and see if there is an improvement in performance - just finding ydl hard to navigate...
I've had trouble with Ubuntu on my eMac, given the weirdness of the ATI graphics on it; it involved fiddling with xorg.conf, which is never a pleasant ordeal. You might have better experiences with a G5 iMac.

Debian's PPC port, on the other hand, worked right away without issue, and would be another excellent option.

In the case of YDL, however, I'd be surprised if you can't scrap the default Enlightenment-based UI and switch to something like GNOME2/MATE or Xfce.
 
Old 10-07-2013, 04:03 PM   #13
jonnyog
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trying debian on ppc

tried ubuntu's ppc but got a kernal panic on installation which i later figured might be because i had unplugged ethernet cable - any way went for debian ppc with gnome desktop but that was rubbish - could not see anything at all there

ydl was very loud - the machine was spinning constantly

now trying debian with expert installation and xfce desktop

it seems to be clear that i will have to do some tweaking no matter what i put on there - so might learn some of the inticacies of linux along the way...

has to be better than the osx though which was basically just worked as an elaborate dvd player
 
Old 10-21-2013, 05:51 PM   #14
jonnyog
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debiAN WORKING ON PPC but no sound and some text missing on browser

hi,

installed debian ppc onto imac g5 - however sound is not working
found this answer
****************************8
in terminal type

nano /etc/modules

then remove everything that is their (if anything) and type the bellow commands and just reboot

loop
# fix issue with fans running at full blast
i2c_powermac
# load AOA drivers
snd-aoa-codec-onyx
snd-aoa
snd-aoa-fabric-layout
snd-aoa-soundbus
snd-aoa-i2sbus
*********************
still getting error "Gstreamer output pipeline could not be initialised"

any ideas?

also text on the browser is missing half way down the page...???

any ideas?
 
Old 10-21-2013, 07:05 PM   #15
jonnyog
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gstreamer problem is no longer there now, the mp3 file is playing but no sound
checking alsamixer setup /proc/asound/cards indicates "no soundcards"

really need some help with this - yellowdog was able to find the soundcard correctly - however i cannot boot form cdrom anymore for some reason yaboot gives to option but pressing c for cdrom does nothing

looks like i am stuck with debian on this imac but cannot get sound working!!!

aaargh!

there is a warning during the boot about pulseaudio - no sound, any ideas?
 
  


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