Questions tagged [ubuntu]

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3
votes
1answer
66 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 ...
3
votes
1answer
521 views

Kibana slow performance optimization

I have a Kibana page which takes about 7-10 seconds to load. Benchmarking same page shows ~1s to complete the request $ ab -n 10 "http://kibana/app/discover#/view/15a67850-6921-11ea-8308-...
2
votes
0answers
17 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/...
1
vote
3answers
672 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
vote
1answer
29 views

Ansible hosts group reference does not work

I'm trying for hours already to run a docker installation on a specific group of hosts. This is my hosts.yml all: hosts: 01-dev: ansible_host: <IP1> 02-dev: ansible_host: &...
1
vote
1answer
20 views

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 ...
1
vote
0answers
31 views

Docker failing while adding Ubuntu Image

I in the process of dockerizing an angular 9 application. My plan is to build the Docker from "scratch" then add the Ubuntu Bionic followed by Nginx followed by Angular and finally the theme ...
0
votes
1answer
165 views

Combining Two Containers

I'm working on a Windows laptop and running Docker for Windows on it. I want to run an Ubuntu container with a specific version and a MySQL server on it. So the question is, do I have to download ...
0
votes
2answers
81 views

Reaching a Docker environment running in VMware from LAN

Here is my setup: I have a Ubuntu 20.04.2 LTS machine running in VMware (vSphere client). On this machine, I have a local Drupal website running in Docker using Wodby Docker4Drupal https://github.com/...
0
votes
2answers
90 views

How to copy HTML files to include into nginx?

How do I copy an index.html file into nginx? root@mordor:/home/nicholas/docker/nginx# root@mordor:/home/nicholas/docker/nginx# ll total 12 drwxrwxr-x 2 nicholas nicholas 4096 Nov 13 16:18 ./ drwxrwxr-...
0
votes
2answers
545 views

Can I upgrade a docker image/container from buntu 18.04 to ubuntu 20.04?

I have a host ubuntu 20.04 running my software on docker with a container derivated from ubuntu 18.04. I would like to use ubuntu 20.04 for several reasons (like the better software on 20.04). If I ...
0
votes
1answer
3k views

ansible error: skipping: no hosts matched

I've tried a few variations on running ansible locally as a test case: nicholas $ nicholas $ ls ansible.cfg ansible.cfg.orig first_playbook.yml inventory.txt playbook.yml nicholas $ nicholas $ ...
0
votes
1answer
20 views

WIndows or Ubuntu server when developing on windows? [closed]

I am developing a MEAN app a windows laptop. Should I use Ubuntu or windows server on my cloud provider? Are there downsides of choosing one over the other?
0
votes
1answer
14 views

Getting a 502 Bad Server Request on Nginx [closed]

I'm trying run the frontend (react) and a backend (nodejs, express) from a same ubuntu 20.4` machine but for some reason my nginx is not mapping correctly. I don't know if I have a typo somewhere or ...
0
votes
1answer
91 views

docker build fails on one machine but succeeds on another

On my own machine (Windows 10, Docker Desktop 2.1.0.3) the build succeeds and runs. On another machine (Ubuntu 18.04, docker CE 19.03.13) the build fails with the error shown. Why does the build work ...
0
votes
3answers
80 views

Docker container host machine communication

Hi i’m trying to communicate with mongodb in the host from a flask container… So using “docker.host.internal” on the URI didn’t work (host machine is Ubuntu) Any suggestions ?? To solve this
-1
votes
1answer
67 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 ...