Questions tagged [docker]
Docker - An open platform for distributed applications for developers and sysadmins.
45
questions
27
votes
4
answers
44k
views
How to install Windows 10 Home 19018 update?
I'm using windows home edition, I have the latest update installed 1909.
I want to install docker for windows 10 home edition. It keeps saying
Docker Desktop requires Windows 10 Pro/Enterprise (...
- 5,450
250
votes
15
answers
481k
views
How can I reduce the consumption of the `vmmem` process?
I installed docker on windows home which uses WSL2 as a backend. However, since doing this a process called vmmem seems to be consistently consuming a lot of computational resources. I ran docker stop ...
- 3,266
36
votes
9
answers
146k
views
How to remove all the vEthernet (Default Switch) once and for all?
As in the screenshot above, I don't know why the vEthernet (Default Switch) on my Windows 10 laptop keeps reproducing itself and auto connecting to it everytime I shut down and switch on the laptop.
...
- 757
9
votes
1
answer
9k
views
Emulating microphone input to Chrome inside Docker container
Background
I am trying to control the input to a WebRTC web application running on Chrome, controlled by Selenium, inside a Docker container.
This is part of an automated test of the WebRTC ...
- 319
217
votes
6
answers
422k
views
How to install a specific package version in Alpine?
I have a Dockerfile to build a Docker image that is based on Alpine Linux. Now I need to install a package as part of this Dockerfile.
Currently I have:
RUN apk update && \
apk upgrade &...
- 2,479
40
votes
6
answers
159k
views
No internet connection inside Docker containers
I cannot execute any command requiring internet connection inside any Docker container.
Works:
docker run ubuntu /bin/echo 'Hello world'
Does not work:
docker run ubuntu apt-get update
Err:1 http:...
- 535
23
votes
2
answers
9k
views
Are Windows WSL2 "distributions" just docker containers under the hood?
I found this document on github:
WSL2 Distributions Run As Containers
It hasn't been updated in a while though, so I'm wondering if anyone knows whether or not Microsoft has published a technical ...
- 413
17
votes
3
answers
16k
views
Installing docker-ce in Ubuntu 18.04 breaks internet connectivity of host
I've installed docker on a fresh ubuntu desktop 18.04 machine and I lost internet connection in the host immediately after the installation finished. More specifically, I can ping 8.8.8.8 but I can't ...
- 281
63
votes
2
answers
45k
views
Why is the Alpine Docker image over 50% slower than the Ubuntu image?
I noticed that my Python application is much slower when running it on python:2-alpine3.6 than running it without Docker on Ubuntu. I came up with two small benchmark commands and there's a huge ...
- 951
31
votes
1
answer
72k
views
How to install docker on windows 7 machine?
My OS is supporting windows 7 and i need to install docker for my hyperledger project. Apparently, docker is available for windows 10. What should i do in this case, because upgrading my OS version is ...
- 311
19
votes
3
answers
60k
views
Docker / Windows Container: how to mount a host folder as data volume on Windows 2016
How to mount a volume from Windows host to Windows guest system?
I am on Windows Server 2016 TP4 using Docker.
Following the documentation on
https://docs.docker.com/engine/userguide/containers/...
- 907
19
votes
1
answer
16k
views
Nginx serves site even if server_name does not match
This is my nginx configuration (running as docker container, in case it matters):
events {
worker_connections 4096; ## Default: 1024
}
http {
server {
server_name registry.mydomain;
...
- 2,736
18
votes
7
answers
27k
views
Issue with Wifi Adapter with Docker Windows (Native, HYPER-V)
I just received a brand new work laptop and immediately installed the native version of Docker for Windows.
However I am seeing an issue that everytime the new network adapter for Docker via Hyper-V ...
- 183
16
votes
2
answers
22k
views
Is there any reason to use Puppet alongside with Docker? [closed]
I have tried Ops part of DevOps some time ago and it was quite fun, but I haven't time and reason to try it in any project. But last week I started new job, where boss asked me if I can configure ...
- 352
13
votes
2
answers
10k
views
How should systemd-resolved and docker interact?
This section specifies that a Docker container gets a copy of the host's /etc/resolv.conf. However, when i run a simple container on Fedora 34, i get a different result:
$ cat /etc/resolv.conf
# This ...
- 195
10
votes
3
answers
19k
views
Docker Toolbox: Doesn't have VT-X/AMD-v even if it is enabled [duplicate]
Tried running Docker Toolbox on my Windows 10 Home 64-bit machine.
also, Hyper-V is already enabled!
But when running the Docker Quickstart Terminal, it always shows "This computer doesn't have ...
7
votes
2
answers
15k
views
Running jdk 8 in docker suddenly broken on arch linux with "unable to allocate file descriptor table - out of memory"
I am trying to restart my docker containers after upgrading my system yesterday. I am running an sbt (scala build tool) container. Unfortunately, it stopped working with the following error
library ...
- 393
6
votes
1
answer
15k
views
docker containers cannot reach internet in bridge network mode
TL;DR
How can I fix the bridge docker0 to be able to reach internet from my containers when in network mode bridge?
There was a power outage a couple of weeks ago that apparently destroyed a server ...
- 177
6
votes
1
answer
6k
views
How to properly handle a Docker container as a systemd service?
I handle many services (databases, web servers...) implemented by docker containers via systemd units.
It works, but the system takes a very long time to shut down, apparently waiting for docker ...
- 93
5
votes
2
answers
4k
views
SSH reverse tunnel into Docker container
I need to xdebug something that fails on the server in a docker container and from my laptop I have ran ssh -R 9000:localhost:9000 server and verified the tunnel by telnet localhost 9000. So far so ...
- 3,923
5
votes
4
answers
10k
views
Enable Virtualization for Windows 10 Pro running inside VirtualBox
My ultimate goal is to run docker for windows inside a Windows 10 Pro (evaluation).
To do that,
Downloaded Windows 10 Pro evaluation image from Microsft website,
Mounted it with virtual box
...
- 154
5
votes
1
answer
771
views
In a WSL2 distro - what determines the files that appear under: /wsl/{some-other-distro}
The Context
I understand that docker-desktop's WSL2 backend works by creating 2 distros: docker-desktop & docker-desktop-data.
I can see the filesystems of these distros mounted in my Ubuntu WSL2 ...
- 53
4
votes
1
answer
8k
views
Is there a way to avoid "Guru Meditation" when doing docker pull?
I have Win 7 32-bit, Vagrant + Virtualbox. I spin up a Ubuntu 14.04 VM (4cpu and 1.5G RAM) and install docker. Then, I execute a
docker pull jenkins
RAM use on the VM zooms to nearly 100%, and ...
- 485
4
votes
1
answer
6k
views
Docker unable to pull images
On running the docker command, I get following error:
docker run hello-world
Pulling repository docker.io/library/hello-world
docker: Network timed out while trying to connect to https://index....
- 157
3
votes
1
answer
1k
views
Network adapter in Hyper-V keeps being reset to DockerNAT
I've installed Docker for Windows on my Windows 10 machine, which uses Hyper-V. Its default network adapter (virtual switch) is DockerNAT, an internal network.
If I shut down the VM (the default ...
- 703
3
votes
1
answer
7k
views
Why would `dig` succeed, but `host`, `nslookup`, `curl`, `ping` all fail?
Since today, whenever I use any docker container with the bridge network interface, DNS resolutions seem to fail for certain utilities.
For instance, if I run:
sudo docker run --rm \
--cap-add=...
- 495
3
votes
1
answer
2k
views
Run both Docker and Virtualbox on Linux? Or Docker within VM?
Short version: I think I messed up wanting to run both Docker and Virtualbox on Linux at the same time and I'm thinking I should I migrate my docker setup into its own virtual machine?
System Summary (...
- 71
2
votes
1
answer
903
views
Cannot get docker-machine to start using launchctl on OSX
I am trying to start docker-machine using a launchctl. I have install docker-machine using the docker toolbox. Here is my plist file:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist ...
- 285
2
votes
0
answers
371
views
Docker Remote Containers - Remote Access Issue (Mac M1 -> Windows WSL 2)
I have successfully setup remote access to my Windows 10 machine running openSSH Server (using public key authentication). I am also running Docker Desktop on my Windows machine.
I would like to ...
- 153
2
votes
1
answer
5k
views
Cannot Enable Hyper-V on my machine
I'm trying to enable Hyper-V on my machine in order to use Docker. I've tried letting Docker enable it, using Windows Features to enable it, and using Powershell (as administrator). My system is ...
- 151