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linuxdockermount
rushda najeeb
rushda najeeb

Reputation: 29

Mounting docker container directory to a shared directory

I tried to mount a Docker container directory by running the following:

mount -t cifs -o username=rusnlk,domain=corpnet,uid=root,gid=root,file_mode=0777,dir_mode=0777 //rusnlk/shared /opt/mnt`

This gave the error:

mount: bad address 'rusnlk'

When I changed rusnlk with the IP address, this error occurred

mount: permission denied (are you root?)

Then I added the permission flags --privileged and --cap-add CAP_SYS_ADMIN. With docker run while starting the container, this error occurred:

mount: mounting //rusnlk/shared on /opt/mnt failed: Invalid argument

Is there any solution for this situation? Is there any other missing detail in the command?

Upvotes: 1

Views: 997

Answers (1)

rushda najeeb
rushda najeeb

Reputation: 29

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

invalid argument

to install cifs packages use: apk add cifs-utils

Upvotes: 1

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