Most viewed questions in Docker

+2 votes
15 answers

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

you can run any command in a ...READ MORE

Dec 10, 2018 in Docker by Pramiti
 • 391,351 views
+1 vote
1 answer

Copying files from host to Docker container

For copying the files from the host ...READ MORE

Jul 18, 2018 in Docker by sunshine
 • 1,260 points • 97,195 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, 2019 in Docker by anonymous
edited Apr 17, 2019 by Kalgi • 79,498 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
 • 46,642 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, 2019 in Docker by Kavya
 • 43,080 views
0 votes
6 answers

docker: executable file not found in $PATH

file not found in $PATH READ MORE

May 9, 2019 in Docker by anonymous
 • 24,282 views
0 votes
2 answers

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

Instead of using docker run you could ...READ MORE

Aug 13, 2019 in Docker by Sirajul
 • 55,620 points • 17,370 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, 2019 in Docker by Umer
 • 15,993 views
0 votes
4 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
 • 9,940 points • 15,623 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, 2019 in Docker by Vismaya
 • 15,520 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
 • 8,200 points
edited Oct 16, 2018 by lina • 14,156 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
 • 51,890 points
edited Jan 16 by Kalgi • 13,920 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
 • 12,987 views
0 votes
2 answers

What is docker system prune is used for?

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

Aug 5, 2019 in Docker by Sirajul
 • 55,620 points • 11,332 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, 2019 in Docker by Ashish
 • 9,309 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, 2019 in Docker by Yesha
 • 9,187 views
0 votes
1 answer

How is docker machine different from docker engine?

Docker machine is different from Docker engine ...READ MORE

Jul 4, 2019 in Docker by Sirajul
 • 55,620 points • 8,515 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, 2019 in Docker by Vaidya
 • 8,444 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
 • 51,890 points • 8,193 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
 • 51,890 points • 7,866 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
 • 51,890 points • 7,795 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 • 7,651 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, 2019 in Docker by Haseeb
 • 7,412 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, 2019 in Docker by anonymous
 • 7,298 views
0 votes
3 answers

Error: docker command not found

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

Apr 29, 2019 in Docker by Naina
 • 7,091 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
 • 51,890 points • 7,013 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, 2019 in Docker by Vardhan
 • 13,180 points • 6,881 views
+1 vote
4 answers

COPY is not working in Docker

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

May 6, 2019 in Docker by Emilia
 • 6,559 views
0 votes
1 answer

How to start a docker daemon manually?

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

Jul 9, 2019 in Docker by Sirajul
 • 55,620 points • 6,454 views
0 votes
1 answer

How to Backup, Restore or Migrate data volumes in a docker container?

Steps to Backup a container 1)     ...READ MORE

Jul 3, 2019 in Docker by Sirajul
 • 55,620 points • 6,182 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, 2019 in Docker by Sirajul
 • 55,620 points • 6,054 views
0 votes
2 answers

How to open docker containers file system?

Adding on to @DareDev's answer there's one ...READ MORE

Aug 5, 2019 in Docker by Sirajul
 • 55,620 points • 6,021 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, 2019 in Docker by Hitesh
 • 5,964 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
 • 6,970 points • 5,915 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, 2019 in Docker by Kunal
 • 5,770 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 • 5,691 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, 2019 in Docker by Sirajul
 • 55,620 points • 5,616 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
 • 9,940 points • 5,450 views
0 votes
1 answer

How do I delete the build cache for a docker image?

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

Jul 3, 2019 in Docker by Sirajul
 • 55,620 points • 4,882 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
 • 9,940 points • 4,770 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, 2019 in Docker by Sirajul
 • 55,620 points • 4,656 views
0 votes
2 answers

Docker Network Nginx Resolver

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

May 7, 2019 in Docker by Pallavi
 • 4,300 views
0 votes
1 answer

Error: docker-machine command not found

Hey @Ruby, You can indeed spin-up multiple ...READ MORE

Jul 4, 2019 in Docker by Sirajul
 • 55,620 points • 4,282 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
 • 6,970 points • 4,187 views
0 votes
2 answers

How to transfer docker images from one machine to another without using a repository?

To save an image to any file ...READ MORE

Aug 13, 2019 in Docker by Sirajul
 • 55,620 points • 4,149 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 • 4,115 views
0 votes
1 answer

How to move Docker containers from one host to another?

Yes you could definitely do it the ...READ MORE

Jul 2, 2019 in Docker by Sirajul
 • 55,620 points • 4,063 views
0 votes
2 answers

How to copy docker images from one host to another without a repository?

To save an image to any file ...READ MORE

Aug 13, 2019 in Docker by Sirajul
 • 55,620 points • 4,027 views
0 votes
3 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
 • 5,540 points • 3,765 views
0 votes
1 answer

Dockerfile to install nginx on Ubuntu

Hey @Greg, this is a simple dockerfile ...READ MORE

Jul 23, 2019 in Docker by User101
 • 3,555 views
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