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What does 'rw' mean when bind mounting a directory


What does 'rw' mean when bind mounting a directory

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What does 'rw' mean when bind mounting a directory
Tag : docker , By : richardD
Date : November 28 2020, 04:01 AM

Does that help When starting a container and specifying a volume you can optionally append a third field that's a comma separated list of options like rw. , As DavidMaze says in the comments

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Mounting a directory?


Tag : linux , By : Imran
Date : March 29 2020, 07:55 AM
will be helpful for those in need I'm not familiar with Android, but if you want to mount a directory instead of a device you have to use mount with the --bind option.
If it's really a file then maybe your Android has no loop device support. Do you have any /dev/loop* devices?

docker bind-mounting a managed volume


Tag : docker , By : ugufugu
Date : March 29 2020, 07:55 AM
this will help The VOLUME statement in a Dockerfile just marks the directory as to be mounted from somewhere else to help users of the image. For example when you create a Database-Image, the user of that image usually wants to persist the date outside of the container.
If you (as the creator of the Image/writer of the Dockerfile) marked a directory as a VOLUME, the user of the image (the one who executes docker run or similar) has an idea, where in the container he should mount a directory from outside.

Mixing named volumes and bind mounting in Docker?


Tag : docker , By : user186012
Date : March 29 2020, 07:55 AM
To fix this issue Host volumes: For a host volume, defined with a path in your docker compose file like:
volumes:
  - "./wordpress/uploads:/var/www/html/wp-content/uploads"
version: "2"

services:
  your-service:
    volumes:
      - uploads:/var/www/html/wp-content/uploads

volumes:
  uploads:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /path/on/host/to/wordpress/uploads
testvol/
  data-image/
    sub-dir/
      from-image
  data-submount/
  Dockerfile
  docker-compose.yml
FROM busybox
COPY data-image/ /data
version: "2"

services:
  test:
    build: .
    image: test-vol
    command: find /data
    volumes:
      - data:/data
      - subdir:/data/sub-dir

volumes:
  data:
  subdir:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /path/on/host/test-vol/data-submount
$ docker run -it --rm -v testvol_data:/data busybox find /data
/data
/data/sub-dir
/data/sub-dir/from-named-vol
$ docker-compose -f docker-compose.bind.yml up
...
Attaching to testvol_test_1
test_1  | /data
test_1  | /data/sub-dir
test_1  | /data/sub-dir/from-image
testvol_test_1 exited with code 0
$ ls -l data-submount/
total 0
-rw-r--r-- 1 root root 0 Jan 15 08:08 from-image

Mounting docker container directory to a shared directory


Tag : linux , By : DotNetWise
Date : March 29 2020, 07:55 AM
This might help you After installing cifs package the mounting command worked!
It was because the base image I used was an Alpine image. Unlike Linux Alpine doesn't give proper error that the package is missing rather gives a common error

bind mounting a volume in docker fails with lxc-start: No such file or directory


Tag : docker , By : Dave
Date : March 29 2020, 07:55 AM
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