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Docker-DCO-1.1-Signed-off-by: Tom Fotherby <github@tomfotherby.com> (github: tomfotherby)
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Tom Fotherby 2014-07-07 12:01:04 +01:00
parent 87df57810d
commit ebbfdf0a0f
1 changed files with 10 additions and 6 deletions
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16
docs/sources/userguide/dockervolumes.md
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@ -73,17 +73,21 @@ option to specify that the mount should be read-only.
### Mount a Host File as a Data Volume
As well as directories, the `-v` flag can be used to mount a single file from the host into a container.
As well as directories, the `-v` flag can be used to mount a single file from
the host into a container.
$ sudo docker run --rm -it -v ~/.bash_history:/.bash_history ubuntu /bin/bash
This will drop you into a bash shell in a new container, you will have your bash history from your host and when
you exit the container, the host will have the history of the commands typed while in the container.
This will drop you into a bash shell in a new container, you will have your bash
history from your host and when you exit the container, the host will have the
history of the commands typed while in the container.
> **Note:**
> Many tools used to edit files including `vi` and `sed --in-place` may result in a inode change. Since docker v1.1.0
> this will produce a error such as "*sed: cannot rename ./sedKdJ9Dy: Device or resource busy*". In the case where you
> want to edit the mounted file, it is often easiest to instead mount the parent directory.
> Many tools used to edit files including `vi` and `sed --in-place` may result
> in a inode change. Since docker v1.1.0 this will produce a error such as
> "*sed: cannot rename ./sedKdJ9Dy: Device or resource busy*". In the case where
> you want to edit the mounted file, it is often easiest to instead mount the
> parent directory.
## Creating and mounting a Data Volume Container