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---
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title: Show processes that block umount
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aliases: /posts/2021-10-26-processes-accessing-mountpoints
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summary: >
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A quick oneliner to list running processes that prevent a filesystem from
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being unmounted. Using `lsof` or `fuser` for this.
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date: 2021-10-26T10:06:47+02:00
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lastmod: 2024-09-28T23:48:06+0000
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categories: [computerstuff]
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tags: [linux]
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---
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Another quick one: I forget this command on a permanent basis, so I write this
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down here -- maybe this helps.
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```console
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$ lsof +f -- /media/mountpoint
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```
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#### Update on 2021-11-21
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You could also use `fuser`. I prefer this one because somehow I cannot use
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autocompletion with lsof and fuser lets me complete the paths.
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```console
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$ fuser -vm /media/mountpoint
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```
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