Questions tagged [ubuntu]

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Linking nodes in a cluster to run a single instance of a docker container

In this cluster, there are 11 identical nodes, each with 16gb of memory. So far, I've been able to connect each node of the cluster to a docker swarm hosted on the control node. My end goal is to run ...
3
votes
1answer
37 views

Porting a docker container to a different Linux host OS

I'm new to Docker. I have looked at many tutorials, however, this is still not clear to me : For example, If I create a docker image on a system which is using Ubuntu as the host OS. Can I then later ...
2
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0answers
11 views

how to protect proxy credentials of a local docker daemon run by systemd from viewing by ordinary users?

i have my local docker CLI binary connected with a docker daemon on the LAN (or better say on the same machine). for certain duties this daemon needs to connect to the internet via a company firewall/...
0
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0answers
64 views

NFS server in Ubuntu official docker images

I noticed that Kernel NFS server does not seem to work in the official Docker Hub Ubuntu images. My Docker file contains the following lines: FROM ubuntu:bionic RUN apt-get update ... RUN apt-get ...
1
vote
3answers
70 views

Can I run a Ubuntu 16 Docker image on a Ubuntu 18 host? Will I need to install hardware drivers already available to the host?

We have some Docker images built from Ubuntu 16.04 base image, and we've been running them on hosts running Ubuntu 16.04; these hosts are laptop computers from different makes. However, we have had ...
-1
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1answer
37 views

Can't ping client on ansible ,

$ ansible 192.168.254.150 -m ping [WARNING]: Unable to parse /etc/ansible/hosts enable callback plugins as an inventory source [WARNING]: Unable to parse /etc/ansible/they can output to stdout but ...
1
vote
0answers
27 views

Creating a Rails API on EC2 with Passenger Apache

Have been running into trouble setting up a Rails Api on an Apache server hosted on EC2, not sure if I am missing something but I have run through Phusions deployment docs for a passenger apache ...