Linux Amazon EC2 – Fix xvda1 100% Full Issue

amazon ec2linuxxen

I'm running a Linux instance on EC2 (I have MongoDB and node.js installed) and I'm getting this error:

Cannot write: No space left on device

I think I've tracked it down to this file, here is the df output

Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/xvda1             1032088   1032088         0 100% /

The problem is, I don't know what this file is and I also don't know if this file is even the problem.

So my question is: How do I fix the "No space left on device" error?

Best Answer

That file, / is your root directory. If it's the only filesystem you see in df, then it's everything. You have a 1GB filesystem and it's 100% full. You can start to figure out how it's used like this:

sudo du -x / | sort -n | tail -40

You can then replace / with the paths that are taking up the most space. (They'll be at the end, thanks to the sort. The command may take awhile.)

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