Questions tagged [container]
DO NOT USE - This tag is slated for deletion: https://meta.superuser.com/q/13680/107240
121
questions
56
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5
answers
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Firefox shortcut to open a particular account container
Firefox has multi-account containers that allow you to use the same website with several accounts, without having to use a different browser:
Problem: I always open tabs with CTRL-t because clicking ...
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16
votes
1
answer
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"volumes 'type' is a required property" when running docker-compose
I am working through understanding how docker-compose.yaml works. I am trying to define a volume inside the compose file and to mount it at a mount point locally. I try to run a basic .yaml to mount ...
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12
votes
1
answer
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Windows Container: Containeradministrator vs. Administrator?
I am a little confused when it comes to the users with Docker. When I run a Windows Container (e.g. microsoft/windowsservercore) and I type in whoami I get the following response
user manager\...
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10
votes
5
answers
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Docker exec doesn't load aliases
I have a bash alias loaded into a Docker container, in /etc/bash.bashrc.
It functions as a shortcut to a commandline PHP script.
This is convenient, since anyone can use that alias directly after one ...
8
votes
2
answers
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Syntax for setting LXD Container raw.idmap
I'm following the procedure for mounting a host drive inside an lxc container as described here. In that article the author sets the raw.idmap like this:
lxc config set zesty raw.idmap 'both 1000 ...
- 713
7
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3
answers
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lxc container : password and username
I am trying to run wine in a 64b OS ( LUNA ) so i did follow this guide ! to set up wine , and i did chose to follow the first option : lxc container
Problem arise when i have to run the container:
...
- 105
7
votes
1
answer
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How to generate thumbnails for less common video containers (mkv, ogm, mp4, flv, rmvb and mov) in windows 7 explorer? [duplicate]
So how to generate thumbnails for these containers?
I know that the install of "DivX Plus Tech Preview: MKV on Windows 7" does it for MKV. But I think that only some registry changes are ...
- 7,179
5
votes
1
answer
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How to mount Certificates from CertBot to use inside Docker Container
The official certbot ( https://certbot.eff.org ) tool to issue and renew certificates from Let's Encrypt saves the currently valid certificate to ${prefix}/archive/${domain}/certN.pem, where N is an ...
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votes
2
answers
2k
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Container with in-built compression, which automatically adjust its size
I try to find an efficient way of rsyncing contents of an ext4 file system as a part of a regular backup, yet I consider a decent compression and a minimal required space.
I can just use plain rsync ...
- 1,241
5
votes
1
answer
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How to install a Windows Feature on Docker container (Windows 2016 Server) that requires a "server restart"?
I try to install the Windows feature "NetworkController" on a docker container on Windows 2016 Server TP4, using Powershell.
After I run "Add-WindowsFeature NetworkController", I get the message:
"...
- 907
5
votes
1
answer
14k
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Can we execute a script as root during docker container startup?
I am trying to execute a script during container startup.
For a normal linux machine, if i have script in /etc/rc.local script will be executed when there is reboot
I am trying to do the same thing, ...
- 453
5
votes
3
answers
6k
views
Docker containers on multiple hosts with docker-compose
I use docker-compose to run a small harem of containers in support of an application. The use of Docker's internal DNS resolver (e.g. db resolves to the database backend container) is key to these. I ...
- 179
5
votes
2
answers
4k
views
Windows Container port binding on Windows Server 2016 not working
I am running a Windows Container on a Windows host (Windows Server 2016 TP4).
The container shall run an IIS webserver on port 80 internally and I also want to bind port 80 to the host, so I can ...
- 907
4
votes
4
answers
10k
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Copying truecrypt containers?
I created a 200GB container to store files on my external USB drive. Can I just copy this (empty) container file to create another container of 200GB? I want to do this since it takes about 2 hours to ...
- 353
4
votes
3
answers
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Copy files from LXC to host machine
I'm new to containers. I have a LXC container running on a remote linux machine. All I found online is how to copy files from host to LXC container. But how can I copy files from a running LXC ...
- 539
4
votes
1
answer
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macvtap interface created on top of macvlan interface of a Docker container cannot communicate
I have a use case where I created a Docker macvlan network (default bridge mode) & connect this network to a running Docker container (e.g C1). So the container will have a new macvlan interface(e....
- 527
4
votes
2
answers
10k
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How to run an X11 application (xclock) on podman?
podman says Error: Can't open display: localhost:10.0 when I try to run xclock in a container with the command
podman run -ti -e DISPLAY --rm -v
~/.Xauthority:/root/.Xauthority:Z localhost/...
- 336
4
votes
1
answer
2k
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How to create a linux container which inherits the hosts root file system, possibly with zfs?
What
Hopefully the question in the title makes sense. I am wanting to create a low overhead (therefore no virtual machine) copy of the host operating system, with it running in a linux container.
I ...
- 722
4
votes
1
answer
4k
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start systemd-nspawn/systemd container on boot
I've been working with systemd-nspawn and have a couple of containers that I'd like to automatically start at system start.
I'm using arch linux and according to the archwiki entry, the following ...
- 225
4
votes
1
answer
3k
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no CUDA-capable device is detected inside LXC container
I followed the following instructions and read the official guide in detail in order to set up Cuda inside an LXC container.
When I try to execute the sample ./deviceQuery script from the official ...
- 533
4
votes
1
answer
92
views
Automatic container management
I manage around a bunch services which run on different machines. I have been playing around with having this services running inside containers and everything is working great. Next I was wondering ...
- 91
3
votes
1
answer
3k
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Using minimal LXC containers as an advanced and secure chroot to isolate services
First of all I'm not a security expert, and I never used LXC before.
I'm trying to harden as much as possible a Gentoo hardened server. To do so, I'm thinking to use LXC, maybe combined with KVM, to ...
- 133
3
votes
1
answer
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Difference between vserver and Linux Container
Can anyone explain me difference between linux containers and vserver? I mean containers managed by docker. I tried to read in the internet, but I have a problems with understanding it. Can anyone ...
user624803
3
votes
1
answer
403
views
does the host system manage the sockets created by processes running in LXC containers?
I'm new to using LXC and I couldn't find an answer to this question. In a scenario where we have multiple containers running on the same host, and they're connected to a bridge which connects them to ...
- 33
3
votes
0
answers
1k
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What is the difference between flatpak and OCI container systems?
Doesn't Flatpak and and OCI container systems like Docker, Podman and similar systems
encapsulate and distribute programs and it's dependencies independent from a Linux systems package management and
...
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3
votes
1
answer
388
views
Can we use share volume to share docker container across different host?
What i want to achieve is to share docker container across different machine.
since docker will store container data into /var/lib/docker/container
i am thinking to have a network volume, and map "/...
- 453
3
votes
0
answers
1k
views
Bridging IP missing for LXC (Linux Containers)
I am using LXC (Linux Containers) to host an http server within a VirtualBox setup, but the simple LXC specific bridge I created does not have an IP address, so it cannot be reached even in the Ubuntu ...
- 51
3
votes
1
answer
740
views
Enabling Microsoft Windows Media player to play Matroska (MKV) container and H.264 codec videos
My understanding of the technical aspects associated with Video files is very basic.
Our company developed a Thick-client software product for the commercial market that would allow users to view ...
- 263
2
votes
2
answers
9k
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ssh root@"ip of lxc container" don't work
how can I enter in a lxc container using ssh? Because I follow many guide on that argument but I can't still enter in the container.
[root@T410 andrea]# ssh [email protected] -vvvv
OpenSSH_7.1p1, ...
2
votes
2
answers
5k
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Creating portable version of program by wrapping all essential files
The goal: I have an .exe file and punch of other files (img/dll/ini/exe) which it depends on in the same folder with it but I'd like to have everything wrapped in a single .exe file which I could pass ...
- 303
2
votes
1
answer
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How do delete data from a certain Docker container?
I would like to delete a Docker container and all associated images, volumes (not the external volumes) etc.
I looked around web but all the things I found were about getting rid of everything ...
- 1,010
2
votes
2
answers
2k
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Issue with local discovery of devices on dockerized Syncthing
I'm trying to set up a Syncthing instance for my local use and so I don't want to run a discovery server. For the local discovery of devices, Syncthing advertises itself over broadcast IP address of ...
- 177
2
votes
2
answers
146
views
Need to get my host Ubuntu machine in the same network as the containers
I am trying to play around with networking using Python and one of the best resources I could find was here - Brandon Rhodes
Now I have taken the approach of using the vagrant file provided in the ...
- 123
2
votes
1
answer
3k
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How can I change containers without losing quality?
Trying Premiere Pro but can't seem to let me import .mkv or .mp4... So, I wonder if it's possible to just change containers without losing any quality at all.
Let's say a .mov container? Video is H....
- 133
2
votes
3
answers
2k
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Docker Ubuntu container installed software gets removed
First time trying Docker and had lots of questions.
Installed Docker with Ubuntu container. Didn't know it that doesn't come with the basic essential tools like net-tools , vim , nano etc.
Installed ...
- 211
2
votes
1
answer
756
views
Running containers on top of QEMU
I have a testing setup I'm trying to migrate to using VMs rather than bare metal as much as possible. The existing setup is structured to run everything within containers (LXC, specifically), and it ...
- 193
2
votes
0
answers
66
views
K3S on Ubuntu 20.04 node running frigate NVR: cannot access Coral Mini PCIe Accelerator from container even though device is there
I run a K3S cluster with several containers. One of them is my Frigate NVR. Frigate can use a coral accelerator to do object detection. Before I moved to containers I used Home Assistant OS with ...
2
votes
0
answers
38
views
Dockerize a VPS / Digital Ocean droplet?
Is it possible to create a docker image of my Ubuntu VPS including all the environment/setup, for example Nginx, Mysql together with their configurations, so that I can have an image which I can even ...
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2
votes
1
answer
4k
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Healthy APFS volume trapped by broken container
How do I mount a healthy APFS volume belonging to a broken APFS container? The volume has FileVault enabled. All data sits on an external USB disk.
The external USB disk was prepared with filevault ...
- 31
2
votes
1
answer
3k
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Running a desktop on docker containers
Is it possible to run x11 server inside docker containers running on headless server. So that I could use gui applications inside them.
What I mean by that is I have a single container which is my ...
- 21
2
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3
answers
1k
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Running docker container as non-root user?
Is there a way for users without root access to run a docker container?
To be clear, I am not asking if I can create a user in the container that runs as non-root. Rather, I need to know if and how a ...
2
votes
2
answers
3k
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Changing the shared memory size of a container instance in Amazon ECS
As much as I've found container instances run with a default 64MB of shared memory (shm) and it is possible to change that amount using the --shm-size argument with the docker run command.
Now I want ...
- 490
2
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1
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lxd container folder sharing with host
I want to share a folder within a container with the host.
So far, the examples my research points to are of host folders mounted inside the container as a volume. I want the inverse.
I have a ...
- 21
2
votes
1
answer
2k
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Can SSH out, but not in to a docker container: network unreachable
Real docker noob here, trying to get an ubuntu container that can be accessed via SSH.
I'm using an image using this dockerfile and building & running it with "docker build -t sshable ~/PATH/" ...
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2
votes
1
answer
1k
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how to mount a container to a specific file path?
when we use "-v" argument in "docker run" command, we can specific {src path from host}:{path in container}, e.g
docker run -v /var/volumns/v1:/var/docker/v1ref ...
but how about mounting a data-...
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votes
1
answer
1k
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Cannot start LXC container: failed creating cgroups
I am using LXC (Linux Container) 1.0.6 on a Ubuntu 14.04 64bit Virtual Machine trying to build HTTP service in a container. I have trouble starting the container:
$ sudo lxc-start -n test1
lxc-start: ...
- 51
2
votes
1
answer
814
views
How do I take an FMS h264 stream and wrap it in a container?
I have an FMS (Flash Media Server 4) that writes out the video streams to .f4v files. As far as I can see and understand, it only writes the video/audio data with no container at all, though I could ...
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1
vote
1
answer
886
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IPC versus UTS namespace
I am learning Kubernetes and it seems that they play crucial role in container implementations.They allow us isolation of global system resources between independent processes.Still I do not ...
- 501
1
vote
1
answer
1k
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What's the easiest way to spawn a cluster of docker containers?
For example elasticsearch, apache spark, hadoop, kafka ... all benefit from running a cluster of machines with some common config between all of them.
What's the equivalent of a Dockerfile but for ...
- 109
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vote
1
answer
3k
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How to run software that requires legacy library version?
I have an old app that requires old OpenCV version (<=2.4.9) and crashes on newer versions (OpenCV partially dropped support for C API since 2.5). I used to just use really really old distro and ...
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