Questions tagged [docker-machine]
The docker-machine tag has no usage guidance.
48
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Move applications and DB to docker or vm
I have one server with one public IP.
Apache2 is installed.
Mariadb is installed.
There are about 50 identical Java applications running on Tomcat on
the server.
The applications are running on some ...
- 1
1
vote
1
answer
1k
views
How could I limit memory and cpu usage in Docker globally
I'm using Docker with Ubuntu in a development environment, but I noticed that docker can use all the resources of the host machine, is there any way I can limit this without having to configure each ...
0
votes
1
answer
2k
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Python throws KeyError when exporting environment variables
I have a weird case where i have a secret.env file where i set all my environment variables as such:
secret.env
export TWITTER_CONSUMER_KEY="something"
export TWITTER_CONSUMER_SECRET="...
- 125
0
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1
answer
571
views
Docker, How to make published ports unreachable from outside the host?
Used Docker version: 19.03.12
When I map a port in the container to a port on the Docker host, this port is automatically accessible to the outside, although the iptables default policy is set to drop....
- 11
0
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1
answer
229
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Docker on OS disk VS docker on dedicated disk
We have 57 rhel servers machines – with version 7.5
The machines have strong HW as 128G memory and 32 CPU ,
We planed to install docker service on all machines , in order to run couple containers on ...
- 559
-1
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2
answers
341
views
Docker installation on RHEL 7.2 and file system requirement
We have old RHEL machine version 7.2
And we prepare to install docker service on this server
The problem is that server's filesystem was created with ftype=0 parametre and docker requires ftype=1
One ...
- 559
1
vote
1
answer
1k
views
How to set PID limit for containers in kubernetes
I have used docker-bench-security on one of the kube-node to check best practices, I found one warning that PID limit is not set on containers.
So Please provide a solution that how do I set PID limit ...
1
vote
0
answers
272
views
Docker external network affecting local host network on container restart : ERR_NETWORK_CHANGED
I am facing a weird issue with the docker networks. I am using an external network of bridge type named extenal_network in my docker containers with auto-restart enabled. I am not able to access my ...
- 111
1
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0
answers
2k
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Axios in a Node.js container on Kubernetes is returning “ECONNREFUSED 127.0.0.1:30561”?
Full error message: connect ECONNREFUSED 127.0.0.1:30561 at TCPConnectWrap.afterConnect
The axios request is running in a Node.js environment (Next.js), which is where the error occurs, strangely the ...
- 111
0
votes
1
answer
128
views
dpkg throws an error when regenerating certs of my instance on AWS
I'm trying to regenerate certs for my instance on AWS through Docker-Machine as I do need to do it quite often for some reason. All of the sudden I'm getting this error after running docker-machine ...
- 1
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3
answers
1k
views
Can't create EC2 instance with Keypairs for ssh access
I am trying to launch a new EC2 instance with docker installed on it on AWS. Later on I need to ssh into this instance. I can create it without a problem doing:
docker-machine create --driver ...
- 231
0
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1
answer
2k
views
Access docker machine on LAN Computers
I had a virtual machine with Ubuntu which is installed inside windows 10 host and accessible to all pcs in LAN using its IP address. Inside Ubuntu I'm running the docker containers within docker-...
- 101
0
votes
1
answer
634
views
Connecting to docker-engine on remote mac using docker-machine
I have a MacMini that is sitting in the server room which has a docker for mac running on it. I'm able to use docker directly on the machine when I ssh in just fine.
$ docker --version ...
- 249
1
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1
answer
615
views
How can I configure unix:///var/run/docker.sock to point to a remote host?
I know I can build and run a container on a remote host with Docker Machine, but some tools I'm using have built-in reliance on unix:///var/run/docker.sock, so even if I run eval $(docker-machine env ...
- 171
1
vote
1
answer
613
views
Make docker client in VM to attach to docker daemon on the host
How can I get Docker Client on a Windows Server 2019 VM to attach to the Docker Engine on the host machine that is using Linux containers in a Moby VM?
My setup is like below:
(A) Windows 10
(B) ...
- 113
1
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0
answers
33
views
Kitematic (docker) - pointing to a host on a docker-machine?
I am using kitematic but when i launch it on MacOS it shows my local docker installation.
Via the command line - i can use docker by first doing
docker-machine env remote-mac
How can I have ...
- 111
0
votes
1
answer
7k
views
Trying to redirect a docker container to another through nginx
As the title say trying to reverse proxy.
Using an app with port 500 inside container with port exposed for 5000.
The nginx is on another container with port 80 exposed and publish to 8080.
Both ...
- 1
2
votes
1
answer
1k
views
Is it possible to start a docker-machine at macOS (Server) boot?
Now that Apple is dropping certain services in Server.app (postfix, dovecot, DNS, to name a few) it is important to find solutions to keep these running. Apple suggests moving to open source versions, ...
- 181
0
votes
1
answer
705
views
How to remotely deploy Docker services on an existing Digital Ocean droplet?
I've got a docker-compose.yml file which defines 3 services: MySQL db, ASP.NET Core api application and Angular application. The last two images are built locally, not pulled from a remote repository. ...
- 101
7
votes
2
answers
35k
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Docker + Nginx + PHP-FPM error: [emerg] 1#1: host not found in upstream [closed]
I have a docker setup for LEMP stack that I cloned from this repo.
Everything works nicely on my development machine running window 10, but when I push the image to docker hub and pull it on my VPS ...
- 287
0
votes
1
answer
605
views
Windows and WSL docker-machine conflict
I have a windows 10 and I installed the WSL ubuntu 18.04 inside. Since the WSL can't use the docker due to virtualization, i ends up use my DigitalOcean droplet as my docker machine target. I follow ...
- 111
3
votes
1
answer
233
views
Docker-machine and Google Compute Engine: GPUs?
Looking at the docs for the GCE driver for Docker Machine, it seems that it's not possible to spawn a machine that has a GPU attached. In contrast to AWS, where there are specific machine types that ...
google-compute-engine
3
votes
1
answer
342
views
docker-machine with "generic" driver: security concerns
I want to use docker-machine to deploy containers on a Debian 9 server from my local computer.
I followed instructions from this page, which clearly indicates:
If you are using « sudo » on the ...
- 165
0
votes
0
answers
117
views
Docker Swarm Mesh not working on mixed Win7 / Linux cluster
I've got a mixed Docker Swarm Cluster with Linux machines and Win7 machines running VirtualBox via NAT (bridged option is not allowed).
Win7 Win7
| |
(port forwarding on ...
- 449
0
votes
1
answer
592
views
how docker handles high availability
Coming from a VMware environment, my through process was that,
Multiple Docker machines (swarm), mount the same NFS data stores
A container (e.g. Maria dB) is deployed on the Docker swarm
If a node ...
- 147
0
votes
1
answer
87
views
IP address of the service inside docker
When the application that you run inside docker need the server private and public IP address to communicate, what will be the values of the IP address?
For instance:
If the private and public ip of ...
- 103
1
vote
1
answer
2k
views
Elasticsearch docker container unable to curl outside container
Launching a container using docker run -it -p 9200:9200 -p 9300:9300 elasticsearch
/local/elasticsearch/bin/elasticsearch: line 184: hostname: command not found
[2018-01-31T07:13:47,062][INFO ][o.e.n....
0
votes
2
answers
4k
views
Docker Issue - exit status 34
I am facing "exit status 34" while creating docker service. please suggest what is the issue.
Docker version : Docker version 17.09.1-ce, build 19e2cf6
Error Log :nsenter: failed to unshare ...
1
vote
1
answer
3k
views
Unable to curl Nginx rhel docker container
Dockerfile:
FROM registry.access.redhat.com/rhel
WORKDIR /usr/src
RUN yum-config-manager --save --setopt=rhel-7-server-rt-beta-rpms.skip_if_unavailable=true
# Install Nginx Repository
RUN yum ...
0
votes
1
answer
1k
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Docker: Virtual machine as worker with its host as manager in swarm
I'm having troubles to find which advertise address the manager should use to work with the following setup:
The problem is that if I use the default options of docker swarm init on the host, I can't ...
2
votes
0
answers
453
views
Find out CPU and memory usage percent of Docker container within its running environemt
Does anyone know how to get resource consumption of a specific Docker container within its running environment?
Outside of a container, we can get it easily by typing a command "docker stats". ...
- 21
3
votes
1
answer
5k
views
Docker networking IPv6 exposed
I'm running a small arm board providing some services within our local network. As I try to understand the ipv6 support of docker, I am quite confused about the results of my first tests.
My network ...
- 325
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votes
1
answer
355
views
Docker-machine mess up docker on host
After creating a Ubuntu 16.04 Droplet in Digital Ocean I've tried to connect it with docker-machine from my local machine but the server's docker won't start. I actually attempted in two ways: first ...
- 101
7
votes
1
answer
3k
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Understanding the Difference Between DNS Resolvers
Intro
In the attempt to debug a networking issue local to our intranet, it became apparent that curl host nslookup and dig behave differently. Where dig and host returns the IP address of the URL in ...
- 225
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1
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741
views
How much server RAM docker-machine instance needs? [duplicate]
I have a docker installed at OS X and using docker-machine with my host provider server. The server OS is CoreOS, I have 3 lightweight sites with NGINX, Mongo and MySQL instances. Sometimes sites down ...
- 115
0
votes
1
answer
530
views
docker stack wont connect to any container
I am following this tutorial that uses this repository.
and have just run docker stack deploy --compose-file docker-stack.yml vote.
I get output that says the containers are running:
cchilders:~/...
- 103
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votes
0
answers
2k
views
Docker sharing /var/run/docker.sock when deploying through Docker Machine
I've been trying to deploy my containers using Docker Machine and Docker Compose. I am running a Windows 10 with docker for windows v1.12.5.
When i start my configuration i run the following:
docker-...
- 105
0
votes
2
answers
267
views
Browser services' container in Docker Swarm mode
I've created 3 vm using docker-machine:
docker-machine create -d virtualbox manager1
docker-machine create -d virtualbox worker1
docker-machine create -d virtualbox worker2
these are theirs ip:
...
- 21
0
votes
1
answer
549
views
how to keep my docker container up running?
I'm running all my application code inside a docker container and I'm using Jenkins to build. So it takes 2 to 3 hours to run the build and it creates the zip files inside the docker container and I'm ...
0
votes
1
answer
266
views
Regex path to pass through proxy
I have the following location directive in a dockerized machine
server {
listen 80;
location ~* ^/openchain/ {
rewrite ^/openchain/(.*) /$1 break;
proxy_pass ...
- 247
2
votes
1
answer
20k
views
502 Bad Gateway/ failed (111: Connection refused) while connecting to upstream [duplicate]
I have the following docker-compose xml
web:
build: nginx/.
container_name: nginx
ports:
- "80:80"
links:
- "openchain"
restart: always
wallet:
build: wallet/.
container_name: ...
- 247
1
vote
0
answers
686
views
connecting to apache server in docker container (osx and docker-machine) FROM INTERNET
In short, everything works until I try to access my apache server in a docker container from the internet. The incoming packets reach the docker container, but the outgoing packets get dropped by the ...
- 111
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0
answers
3k
views
gitlab-runner with docker+machine (to AWS) not working
I have a question regarding gitlab-runner, docker+machine and AWS. I have setup gitlab-ce (works great, as usual), and a second server with gitlab-runner.
The gitlab-runner server is configured to ...
- 123
1
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0
answers
68
views
Security maintenance on cloud instances created with docker-machine?
After reading about some people's issue with Docker hosts' time going out of sync, I realized that my Docker host on Digital Ocean (created via docker-machine) may want ntp running on it, and that got ...
- 329
0
votes
1
answer
174
views
Locating docker containers
I've been playing around with various docker and docker-machine tutorials. Here is the docker-machine setup
$ docker-machine ls
NAME ACTIVE DRIVER STATE URL ...
- 173
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1
answer
309
views
Zero downtime deployment with two machines and docker-networking
Is it possible to wire up a small zero downtime deployment (*1) with two Amazon EC2 instances? I'd like to roll my services regularly to a new EC2 instance to avoid manual OS updates on the instances ...
- 127
1
vote
2
answers
4k
views
Tag latest not found in repository docker.io/library/nginx
I am trying to install Docker on my MAC . I am getting the below issue
predix-docker xxxxxx $ docker pull nginx
Using default tag: latest
latest: Pulling from library/nginx
968c69f18673: Pulling ...
- 223
0
votes
1
answer
131
views
HA Swarm cluster with docker-machine
I have a Swarm cluster which currently only has a single master. So far the whole thing has been deployed using docker-machine. I have another node that I would like to use as another master.
When I ...
- 523