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This question already has an answer here:

I need to add boot parameter "pci=noaer" on my live persistent usb itself. Applying this command in terminal gave a error.

sudo update-grub

Error: /usr/sbin/grub-probe: error: failed to get canonical path of 'aufs'.

I am first time Linux user, my laptop is gone for repairs and I borrowed my dad's laptop. I just wanted to browse the internet. It took me 8 days and I am still not able to achieve this basic task. Actually I am having issue with wifi card "rtl8723be" ,its a known bug.

"sys.log" and "kernal.log" floads with pcie error and it basically fills my pendrive with those two large files which makes its unbootable. At this moment I hate Linux with passion. I willing to learn and understand more about Linux but I need this system to work urgently. Please guys help me.

marked as duplicate by Ravexina, Charles Green, Community May 28 '17 at 5:48

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • On live usb itself. – Jason May 27 '17 at 17:41
  • How did you created your USB? – Ravexina May 27 '17 at 17:43
  • through this software - "Universal USB Installer". – Jason May 27 '17 at 17:45
  • Did you consider any persistent storage for your USB? – Ravexina May 27 '17 at 17:46
  • Thanx, and yes 4gb persistent. – Jason May 27 '17 at 17:47
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For me, I just needed to install grub.

sudo apt-get update;
sudo apt-get install grub

This command works fine now -

sudo update-grub

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