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I am accessing my Pi through SSH and I noticed that I cannot mkdir anywhere. not even in my own home folder ~/!! Unless I sudo.

I checked the owner and permission of my folder. it is as follow:

drwxrwxrwx 9 pi pi 4096 Aug 13 10:22 pi

everything is owned by me, and I even chmod 777 it just for this once. But still I get mkdir: cannot create directory x': No space left on device error when I try to mkdir

Obviously there is space left on device because everything works fine if i put sudo in front of it. So what is the problem here ?

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  • 3
    Try to use df -h to see how much space is left on your device.
    – Kenneth
    Aug 13, 2013 at 13:34
  • I should add: raspbian comes with utility to expand partition to fill the entire SD card.
    – 40pro
    Nov 30, 2015 at 3:54

3 Answers 3

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6

It's not a problem for root. Because on ext filesystems 'root' user has extra %5 reserved space on filesystem while formatting. If that reserved space filled up you will not create file/dir on filesystem neither. Delete some files on your filesystem to get free space.

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For those with similar problem, make sure to run raspberry pi config tool. In there you will find a menu that allows you to expand your partition to fill 100℅ of the available space. Otherwise, you will be limited to very small space regardless of your SD card size.

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  • 1
    Good advice! The tool is run with: sudo raspi-config
    – adengle
    Jan 17, 2016 at 13:02
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good advice. from UI you need to do following things 1. Go to Menu 2.select preferences 3. raspberry pi configuration 4. system tab 5. Expand fileSystem. 6. Reboot your Pi

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