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Questions tagged [linux-containers]

Linux containers (LXC) is an operating system–level virtualization method for running multiple isolated Linux systems (containers) on a single control host.

Linux containers (LXC) is an operating system–level virtualization method for running multiple isolated Linux systems (containers) on a single control host.

https://linuxcontainers.org/

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Linux Container on Windows Server Running as Azure Virtual Machine

I'm new to containers. Currently, I have an instance of Windows Server 2016 running as Azure Virtual Machine. Is it or will it still be impossible to set up a Linux Container on it? I know that instances of Azure VM are already a kind of Hyper-V…
kemakino
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Oracle on lxc in ubuntu

I'm currently trying to install an oracle server (11g) in a linux container on ubuntu (following this tutorial (http://www2.hawaii.edu/~lipyeow/ics321/2014fall/installoracle11g.html). When I try to change the file handler with sysctl, the…
0xFF
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How do I run a docker container as a privileged user with user namespaces

I am running with user namespaces enabled and I need to run a particular container as a root user (the container needs to be able to execute the Linux mount command from inside). How do I run a specific container in privileged mode when namespaces…
steve landiss
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Is Alpine Linux an implementation of a Unikernel?

I've been reading a lot about Docker containers and Unikernels and how to run lightweight environment with my own applications. I understand that Linux containers and Unikernels are different things, as the first are implementations of kernel…
Rogério Peixoto
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What's not possible to do in a Docker container?

I'm interested in using Docker to run tests on Puppet modules. However, a Docker container is not a fully fledged OS and you can't perform every task (As I learnt when trying to test a swapfile module) Is there a comprehensive list of what is…
Peter Souter
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Vagga: Number of allowed subuids is too small

I'm implementing this simple vagga container example as part of their tutorial. When I try to run vagga py3 I get: ERROR:vagga::wrapper: Error executing _build: Number of allowed subuids is too small. Required [Range { start: 0, end: 65536 }],…
Explosion Pills
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packaging extra files with docker image

I have a spring boot application(java) that when run normally needs java 8, my python scripts in directory and the dir must exist where i keep the generated jar and python3.4 on the system I am able to create a docker container of my spring boot…
curiousengineer
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Bluemix Scalable Container Group auto recovery option

How does the auto-recovery option on a container in a scalable group work? I have enabled it (by using --auto and it says Autorecovery: On in the web UI) but it did not try to restart the container when it crashed this morning. The container in the…
Magnus_P
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Linked container IP not in hosts

I'm trying to configure a simple LAMP app. Here is my Dockerfile FROM ubuntu # ... RUN apt-get update RUN apt-get -yq install apache2 # ... WORKDIR /data And my docker-compose.yml db: image: mysql web: build: . ports: - 80:80 …
Pierre de LESPINAY
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How do Docker and other container services differ from KVMs?

Looking at this question and its answers, it's clear that a few points make container services fairly different from traditional VMs: They can save on performance and space by sharing the host's operating system They further save space using the…
Jules
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Linux / Fedora sandboxing processes and filesystem changes

Is there a Linux (close) equivalent, that runs on Fedora, to the Windows program sandboxie? It's not perfect, but it basically creates a C:\Sandbox\\XYZ directory and any processes running in the XYZ sandbox are transparently (to the processes)…
user1902689
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lxc-create --download gives different list as root

My system: Ubuntu 14.04.2 amd64 See this: $ lxc-create --template download --name mycontainer Setting up the GPG keyring Downloading the image index --- DIST RELEASE ARCH VARIANT BUILD --- centos 6 amd64 default 20150415_02:16 centos 6 …
Eduar
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Linux Containers lxc-create

I've been trying to work on Linux Containers (lxc). Post installation, I tried to create a container. I'm working on Ubuntu 14.04, with lxc-1.1.1. I'm prompted with this error when i try to create a new container : lxc-create: error while loading…
sukrit6
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Why don't docker use the host OS for all purposes

I have been reading up on docker, and I have understood that unlike VMs, docker uses the host OS's kernel. Why is there a requirement that the base image has to be an OS. Why can't docker use resources from the host OS (eg: filesystem) and use the…
tomol
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Linux VXLAN driver and network namespace

I am trying to understand the vxlan driver code in linux kernel. The kernel version is: 3.16.0-29-generic Looking at vxlan.c it appears that a vxlan dev is created per VNI and it is tied to the netns the netdevice belongs to and an udp socket is…
NetCubist
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