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I am copying a set of files to a directory on which the SD card is mounted via

$ cp -a * /media/BOOT

but I get

cp: cannot create regular file '/media/BOOT/u-boot.img': Permission denied

With sudo

$ sudo cp -a * /media/BOOT

I get

cp: failed to preserve ownership for '/media/BOOT/u-boot.img': Operation not permitted

But in the /media/BOOT, I'm already seeing the files being copied but with different permissions.

// source permissions
-rwxrwx--- 1 root vboxsf  367496 Aug 10 22:46 u-boot.img

// destination permissions
-rwxr-xr-x 1 root root  367496 Aug 10 22:46 u-boot.img
  • Does anyone see why I'm getting the error and why are files being copied despite that?
  • Is the change in permissions also why I can't possibly boot the boot image off the SD card?

Does running chmod 777 in the destination folder sound like a good idea?

OS: 18.04.1-Ubuntu

SD card partition FS: vfat

Using it on a virtualbox but shouldn't matter

Edit:

Tried this solution but no luck!

Jazzy
  • 121

0 Answers0