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straw hat matt

Issues installing linux on Catalina 10.15.7

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Posted · Original PosterOP

My error: when booting off the drive in the boot menu, it says I need a software update to use the 'disk'

My steps: 

  • I used disk utility to create a partition on my SSD, (MS-DOS, FAT32), 110gb
  • I used disk utility to erase my flash drive and reformat it as above (ms-dos, fat32).
  • I downloaded ubuntu as .iso, and used etcher to flash it onto my USB.
  • I reboot, enter boot menu. Even though I only have one flash plugged in, two identical usb drives pop in the boot menu. They are titled the same and both produce the same error. 

Other steps I have attempted:

  • I gave clearance for my computer to boot off an external boot drive.
  • I removed all security features from my computer's drive and any boot drive. 
  • My laptop is fully updated.

After clicking the boot drive in the boot menu, it reads : "A software update is required to use this startup disk"

If I click update, it goes through a 'downloading update' phase for a few minutes, then automatically boots back into Catalina on the other partition.

 

Please let me know what other details I can offer

Thanks!

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you have to format it in ext3 or ext4


if it was useful give it a like :) btw if your into linux pay a visit here  and i will be thankful if you send me an opinion here  

 

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Just now, straw hat matt said:

my ssd or usb drive?

ssd


if it was useful give it a like :) btw if your into linux pay a visit here  and i will be thankful if you send me an opinion here  

 

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btw how did you flash ubuntu on usb?


if it was useful give it a like :) btw if your into linux pay a visit here  and i will be thankful if you send me an opinion here  

 

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try downloading iso file again 


if it was useful give it a like :) btw if your into linux pay a visit here  and i will be thankful if you send me an opinion here  

 

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The error you're getting is the boot manager's standard "I don't understand this file system" error. If you've installed ubuntu onto the partition, then it's already formatted as ext4 but that still won't help the standard macOS boot manager because it can only boot macOS and Windows. The reason why this message says "A software update is required to use this startup disk" is because it's meant for a situation where you're on HFS+ or some older version of APFS and trying to boot from a newer APFS volume.

 

What you're trying to do here is actually pretty tricky. Especially if you're trying to do this on a single hard drive. If it's possible, I'd recommend either getting an external drive to run Ubuntu off of, or running it in a VM in macOS. Personally, I use Parallels, but Virtual Box should also work fine.

 

If you're really committed to running on bare metal; here's a good tutorial: https://www.lifewire.com/dual-boot-linux-and-mac-os-4125733.

 

As you can see from the tutorial you'll need to both turn off System Integrity Protection, install your own boot manager and update GRUB on the USB stick before installing Ubuntu.

 

I run a Ubuntu VM most of the day on my mac and it works very well. I would suggest that you try running as a VM for a day or two and if you're really hurting for performance then follow the lifewire tutorial and it should work.

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