Most viewed questions in Docker

+1 vote
11 answers

How can I run a ‘docker exec’ command inside a docker container?

Use bash with -c docker exec -it CONTAINER_ID ...READ MORE

Dec 10, 2018 in Docker by Kiyara
 • 129,241 views
+1 vote
11 answers

How to run multiple commands in docker at once?

Try this: docker run image bash -c "cd ...READ MORE

Apr 17 in Docker by anonymous
edited Apr 17 by Kalgi • 24,143 views
+2 votes
6 answers

If conditional in docker file

You can use the test command RUN test ...READ MORE

Dec 10, 2018 in Docker by Shushant
 • 19,128 views
+1 vote
3 answers

How do I execute multiple commands using docker-compose

You can also use the depends_on option ...READ MORE

Apr 22 in Docker by Kavya
 • 14,906 views
0 votes
6 answers

docker: executable file not found in $PATH

file not found in $PATH READ MORE

May 9 in Docker by anonymous
 • 11,392 views
+2 votes
6 answers

copy directories in docker container excluding any one directory

One of the way could be copy ...READ MORE

Dec 10, 2018 in Docker by Prateek
 • 7,766 views
0 votes
2 answers

Docker: unable to prepare context: unable to evaluate symlinks in Dockerfile path: GetFileAttributesEx

Very cliche, but check if the Dockerfile ...READ MORE

Apr 22 in Docker by Umer
 • 6,817 views
0 votes
3 answers

I'm trying to run docker with Jenkins pipeline but I'm facing this Jenkins pipeline error and a socket.io error.

This happens when the Jenkins user is ...READ MORE

Jun 26, 2018 in Docker by Sophie may
 • 9,870 points • 6,412 views
+4 votes
4 answers

How To Access a Service on Host From a Docker Container?

Adding to kalgi's answer, You can also ...READ MORE

Oct 16, 2018 in Docker by lina
 • 8,110 points
edited Oct 16, 2018 by lina • 5,419 views
+3 votes
3 answers

Not able to connect worker nodes to the swarm. Connection refused error

This definitely has to be a firewall issue. ...READ MORE

Apr 26 in Docker by Vaidya
 • 4,774 views
+2 votes
4 answers

How to install packages inside a docker Ubuntu image?

Execute the update and the install command ...READ MORE

Apr 24 in Docker by Vismaya
 • 4,333 views
0 votes
1 answer

build context for docker image very large

The Docker client sends the entire "build ...READ MORE

Aug 1, 2018 in Docker by Kalgi
 • 42,540 points • 4,171 views
0 votes
1 answer

How do I copy a file from docker container to host?

Here is a way which you can ...READ MORE

Aug 27, 2018 in Docker by Damon Salvatore
 • 5,510 points • 3,925 views
0 votes
2 answers

How to edit file after I shell to a docker container?

You can even install it using a ...READ MORE

Apr 23 in Docker by Ashish
 • 3,453 views
+1 vote
5 answers

Set containers timezones by using docker compose.

version "2" services: serviceA: ...READ MORE

Jul 8, 2018 in Docker by Atul
 • 10,240 points • 3,250 views
0 votes
5 answers

denied: requested access to the resource is denied : docker

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

Jul 27, 2018 in Docker by Kalgi
 • 42,540 points • 3,226 views
+1 vote
4 answers

Communication between multiple docker-compose projects

You just need to make sure that ...READ MORE

Jul 30, 2018 in Docker by Kalgi
 • 42,540 points • 3,160 views
+1 vote
1 answer

How to expose docker container's ip and port to outside docker host without port mapping?

you can accomplish this with IP aliasing ...READ MORE

Aug 2, 2018 in Docker by Kalgi
 • 42,540 points • 3,035 views
+1 vote
7 answers

How to connect to a Docker container running mysql on Windows 10?

Avoid using bind_address in your my.cnf file. I don't ...READ MORE

Apr 25 in Docker by Haseeb
 • 3,007 views
+1 vote
2 answers

Add Insecure Registry to Docker

I added into /etc/default/docker file DOCKER_OPTS="--insecure-registry <myip>:5000" I edited that ...READ MORE

Apr 26 in Docker by Hitesh
 • 2,915 views
+1 vote
5 answers

Where are Docker images stored on the host machine?

The contents of the /var/lib/docker directory vary ...READ MORE

Jul 18, 2018 in Docker by Kalgi
 • 2,620 points • 2,798 views
0 votes
2 answers

Error saying " "hosts" E212: Can"t open file for writing" when trying to change host name on the VM

I am interested in the answer as ...READ MORE

Jan 26 in Docker by anonymous
 • 2,481 views
0 votes
3 answers

Error: docker command not found

If you're using Docker as an administrator, ...READ MORE

Apr 29 in Docker by Naina
 • 2,391 views
0 votes
2 answers

Error saying "unable to prepare context: unable to evaluate symlinks in Dockerfile path" when trying to pull an image using a Dockerfile

This could be because your docker image ...READ MORE

Feb 27 in Docker by Vardhan
 • 12,740 points • 2,376 views
+1 vote
5 answers

My docker container has no internet

Try resetting all the parameters pkill docker iptables -t ...READ MORE

Jul 31, 2018 in Docker by Kalgi
 • 42,540 points • 2,156 views
0 votes
1 answer

Build a container in Jenkins via "docker pipeline plugin"

In order to create a Docker image, ...READ MORE

Jul 9 in Docker by Sirajul
 • 39,540 points • 2,151 views
0 votes
2 answers

How do I fix the “no space left on device” error in docker?

Try cleaning up: $ docker volume rm $(docker ...READ MORE

Aug 14 in Docker by Sirajul
 • 39,540 points • 2,131 views
+1 vote
4 answers

COPY is not working in Docker

I had the exact same issue. I ...READ MORE

May 6 in Docker by Emilia
 • 2,092 views
+1 vote
4 answers

Docker Compose wait for container X before starting Y

You can use the depends_on feature was ...READ MORE

May 6 in Docker by Kunal
 • 2,061 views
0 votes
1 answer

Dockerfile to install apache server and start httpd service on it.

Hey @Kali, That's pretty simple. You could have ...READ MORE

Jan 22 in Docker by Yesha
 • 1,931 views
0 votes
1 answer

Error while trying to run an image - Docker

This error means that the container tries ...READ MORE

Aug 22, 2018 in Docker by Nilesh
 • 6,880 points • 1,852 views
0 votes
2 answers

Docker Network Nginx Resolver

I had the exact same error. Funny ...READ MORE

May 7 in Docker by Pallavi
 • 1,785 views
0 votes
1 answer

Dockerfile entrypoint script arguments in docker run

RUN instructions happen at build time. ENTRYPOINT and ...READ MORE

Jul 11, 2018 in Docker by Kalgi
 • 2,620 points
edited Jul 11, 2018 by Kalgi • 1,778 views
0 votes
2 answers

How do I force Docker for a clean build of an image ?

You could try this inorder to clean ...READ MORE

Aug 6 in Docker by Sirajul
 • 39,540 points • 1,755 views
0 votes
2 answers

What is docker system prune is used for?

The basic usage of the command docker ...READ MORE

Aug 5 in Docker by Sirajul
 • 39,540 points • 1,750 views
+1 vote
4 answers

Docker compose, running containers in net:host

Hey@Hannah, Check the compose file format specifications ...READ MORE

May 7 in Docker by Kishore
 • 1,680 views
0 votes
1 answer

How to start a docker daemon manually?

The daemon includes many configuration options, which ...READ MORE

Jul 9 in Docker by Sirajul
 • 39,540 points • 1,531 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 16, 2018 in Docker by Sophie may
 • 9,870 points • 1,460 views
0 votes
1 answer

Docker - Cannot remove dead container

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

Jul 26, 2018 in Docker by Kalgi
 • 42,540 points • 1,371 views
0 votes
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
 • 42,540 points • 1,331 views
+1 vote
4 answers

How to send application logs from docker to cloudwatch

There are 3 main steps involved it ...READ MORE

Mar 25 in Docker by RT
 • 1,243 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
 • 6,880 points • 1,226 views
+6 votes
4 answers

Error: Docker saying "bad file descriptor"

The solution was easy enough. Add these ...READ MORE

Mar 26, 2018 in Docker by DragonLord999
 • 8,380 points • 1,144 views
0 votes
1 answer

docker swarm throwing an error “swarm already part of swarm”

You run the docker swarm init to create ...READ MORE

Aug 22, 2018 in Docker by Nilesh
 • 6,880 points • 1,091 views
0 votes
1 answer

docker unauthorized: authentication required - upon push with successful login

I also had the same issue.This is ...READ MORE

Jul 31, 2018 in Docker by Kalgi
 • 42,540 points • 1,065 views
+5 votes
7 answers

Docker swarm vs kubernetes

Swarm is easy handling while kn8 is ...READ MORE

Aug 27, 2018 in Docker by Mahesh Ajmeria
 • 1,056 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
 • 42,540 points • 1,031 views
0 votes
2 answers

What is the difference between a Docker image and a container?

Here is very basic explanation for image ...READ MORE

Sep 4, 2018 in Docker by Damon Salvatore
 • 5,510 points • 998 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 16, 2018 in Docker by Sophie may
 • 9,870 points • 990 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
 • 42,540 points • 895 views
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