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Here's another #techromancy tip:
Create a 2GB "sacrificial" file for your volumes. When the disk fills up and your system locks up, kill it and run your cleanup scripts. It's helped me get out of a bind a few times now.
```bash
dd if=/dev/urandom of=sacrifice.txt bs=1M count=2048
```
```bash
rm sacrifice.txt
```
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@mauve wouldn't fallocate be a better command for that? with dd, you actually have to wait for the full amount to be written to the drive, which is not insignificant