Most answered questions in Docker

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Docker daemon config file on boot2docker / docker-machine / Docker Toolbox

Inside boot2docker (boot2docker ssh) / docker-machine (docker-machine ...READ MORE

Jul 31, 2018 in Docker by Kalgi
 • 52,360 points • 1,105 views
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1 answer

Location of docker images downloaded by Docker (1.9.1) on Mac OS X

If you’re using docker for MAC, yhen ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,360 points • 3,591 views
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1 answer

how can I find docker image with specific tag in docker registry in docker command line?

As far as I know, the CLI ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,360 points • 1,835 views
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1 answer

How to remove docker installed using wget

The uninstallation step mentions: sudo apt-get purge -y docker-engine sudo apt-get ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,360 points • 647 views
+1 vote
1 answer

Docker Container Networking with Docker-in-Docker

Given your example docker-in-docker setup above, you ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,360 points • 2,806 views
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1 answer

Brew install docker does not include docker engine?

Please try running brew install docker This will install ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,360 points • 616 views
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1 answer

Docker in Docker permissions error

Personally, i've just had to do this ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,360 points • 632 views
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1 answer

Docker: Add a restart policy to a container that was already created

In recent versions of docker (as of ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 52,360 points • 1,231 views
0 votes
1 answer

How do I know which datastore indexes are in error?

There was no public API for managing ...READ MORE

Jul 27, 2018 in Docker by ajs3033
 • 7,300 points • 546 views
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1 answer

ps command doesn't work in docker container

ps is not installed in the base ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 10,694 views
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1 answer

How to get docker-compose to always re-create containers from fresh images?

The containers are getting recreated to preserve ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 4,410 views
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1 answer

docker login unknown shorthand flag: 'e'

add this to your call --no-include-email here is the ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 2,618 views
0 votes
1 answer

Docker, mount volumes as readonly

You can specify that a volume should ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 4,784 views
0 votes
1 answer

Network timed out while trying to connect to https://index.docker.io

This happened because docker virtual machine gets ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 1,671 views
0 votes
1 answer

Cannot download Docker images behind a proxy

Follow these steps Step 1- create a systemd ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 2,215 views
0 votes
1 answer

Is it possible to start a shell session in a running container (without ssh)

use this docker exec -it "id of running ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 502 views
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1 answer

How can I expose more than 1 port with Docker?

To expose just one port, this is ...READ MORE

Jul 27, 2018 in Docker by Kalgi
 • 52,360 points • 1,729 views
+1 vote
1 answer

How to push a docker image to a private repository

You need to tag your image correctly ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 1,901 views
0 votes
1 answer

I lose my data when I get out of the container

No its not installation issue. You need to commit the ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 1,455 views
0 votes
1 answer

Interactive shell using Docker Compose

You need to include the following lines ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 6,183 views
0 votes
1 answer

How to increase docker-machine memory Mac

when you create docker machine, you can ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 2,292 views
0 votes
1 answer

List only stopped Docker containers

docker ps --filter "status=exited" or docker ps -f "status=exited" or you ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 612 views
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1 answer

Docker - Cannot remove dead container

Try to unmount these blocked filesystems to ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 6,395 views
+1 vote
1 answer

Error while running docker run command

This error occurs when your port is ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 1,477 views
0 votes
1 answer

Error saying "context cancelled"

This error occurs when your port is ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 4,190 views
0 votes
1 answer

Error while executing docker run command

This error occurs when your port is ...READ MORE

Jul 26, 2018 in Docker by Kalgi
 • 52,360 points • 3,469 views
0 votes
1 answer

Is it possible to start a shell session in a running container (without ssh)

use this docker exec -it "id of running ...READ MORE

Jul 25, 2018 in Docker by Kalgi
 • 52,360 points • 642 views
0 votes
1 answer

How can I expose more than 1 port with Docker?

To expose just one port, this is ...READ MORE

Jul 25, 2018 in Docker by Kalgi
 • 52,360 points • 558 views
+1 vote
1 answer

How do I pass environment variables to Docker containers?

You can pass environment variables to your ...READ MORE

Jul 20, 2018 in Docker by Kalgi
 • 52,360 points • 1,438 views
0 votes
1 answer

How to list containers in Docker

To show only running containers use the given command: docker ...READ MORE

Jul 20, 2018 in Docker by Kalgi
 • 52,360 points • 491 views
0 votes
1 answer

How to continue running a docker container which is already exited?

Restart an existing container after you exited ...READ MORE

Jul 19, 2018 in Docker by Sophie may
 • 10,610 points • 2,284 views
0 votes
1 answer

Slave image does not support running docker

You need to install docker client and ...READ MORE

Jul 19, 2018 in Docker by Kalgi
 • 2,680 points • 2,276 views
0 votes
1 answer

Unable to switch filesystem to overlay in Docker in Ubuntu.

From the official docs: https://docs.docker.com/engine/userguide/storagedriver/overlayfs-driver/#configure-docker-with-the-overlayoverlay2-storage-driver To configure Docker ...READ MORE

Jul 18, 2018 in Docker by ajs3033
 • 7,300 points • 2,513 views
0 votes
1 answer

What is the difference between “expose” and “publish” in Docker?

Basically, you have three options: Neither specify EXPOSE nor -p -> ...READ MORE

Jul 18, 2018 in Docker by Nilesh
 • 7,050 points • 3,075 views
0 votes
1 answer

Error saying "build" requires 1 argument. See 'docker build --help'

Try adding a period at the end ...READ MORE

Jul 18, 2018 in Docker by Nilesh
 • 7,050 points • 4,639 views
0 votes
1 answer

Using SSH keys inside docker container

Turns out when using Ubuntu, the ssh_config ...READ MORE

Jul 18, 2018 in Docker by Nilesh
 • 7,050 points • 12,450 views
0 votes
1 answer

Where is the Docker daemon log?

It depends on your OS. Here are ...READ MORE

Jul 18, 2018 in Docker by Kalgi
 • 2,680 points • 3,826 views
0 votes
1 answer

Docker can't connect to docker daemon

The Post-installation steps for Linux documentation reveals the following ...READ MORE

Jul 18, 2018 in Docker by Kalgi
 • 2,680 points • 1,079 views
0 votes
1 answer

How to deal with persistent storage (e.g. databases) in docker

For Docker 1.9.0 and above, Use volume API docker ...READ MORE

Jul 18, 2018 in Docker by Kalgi
 • 2,680 points • 585 views
+1 vote
1 answer

How to remove old Docker containers

There is a new feature in Docker 1.13.x called Docker ...READ MORE

Jul 18, 2018 in Docker by Kalgi
 • 2,680 points • 522 views
0 votes
1 answer

Should I use Vagrant or Docker for creating an isolated environment?

If your purpose is the isolation, I ...READ MORE

Jul 18, 2018 in Docker by Kalgi
 • 2,680 points • 762 views
0 votes
1 answer

How can you detach from Docker's process?

This is simple, in order to detach ...READ MORE

Jul 17, 2018 in Docker by Sophie may
 • 10,610 points • 1,583 views
0 votes
1 answer

How to remove old Docker images?

Run the following command: docker $ (docker images ...READ MORE

Jul 17, 2018 in Docker by Sophie may
 • 10,610 points • 603 views
0 votes
1 answer

How do I fix this error? docker run --- name “xyz” is already in use by container

This is due to a confusion. There ...READ MORE

Jul 17, 2018 in Docker by Sophie may
 • 10,610 points • 11,432 views
0 votes
1 answer

How to obtain the Docker container's IP address from the host?

This can be done by executing the ...READ MORE

Jul 17, 2018 in Docker by Sophie may
 • 10,610 points • 8,619 views
0 votes
1 answer

Docker unable to connect AWS EC2 cloud

Your command is not pointing to your ...READ MORE

Jul 16, 2018 in Docker by Kalgi
 • 52,360 points • 1,327 views
0 votes
1 answer

How to store data in external drive with Docker Postgres:9.3 image?

Apparently, the problem would be in your ...READ MORE

Jul 12, 2018 in Docker by Kalgi
 • 2,680 points • 2,357 views
0 votes
1 answer

Is it possible to create a docker swarm cluster using nodes on different cloud providers?

if your nodes could access each other, ...READ MORE

Jul 12, 2018 in Docker by Kalgi
 • 2,680 points • 957 views
0 votes
1 answer

DevOps: automatically restarting a failed container

Check first if you can add restart policies ...READ MORE

Jul 11, 2018 in Docker by Kalgi
 • 2,680 points • 400 views
0 votes
1 answer

Docker : multiples linked containers for each customers

Using Docker (specifically Docker Compose) linking containers ...READ MORE

Jul 11, 2018 in Docker by Kalgi
 • 2,680 points • 390 views
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