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Questions tagged [containers]

436 questions
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Unable to ping container from outside

I've to connect to a service running inside a runc container, I've written the below script and is able to ping the container from the host and can connect to the internet from inside the container. But I'm unable to ping the container from another…
y_159
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Starting a container on a Kubernetes cluster from another container

I have two docker containers as follows: A web server coded in python A python script which performs a computational activity and then terminates I want to be able to have the web server start the computation script contained in container two. The…
hojkoff
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Unable to install package via yum while using a docker container

I have been working on this project forever, every anomaly has been rectified, the only thing remaining appears to be a docker limitation but I'm still going to try my luck here, in case there's another way. -> I've created a container for CentOS 7…
EEE
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How to list the capabilities associated with a process in *nix systems?

From - man capabilities UNIX implementations distinguish two categories of processes: privileged processes (whose effective user ID is 0, referred to as superuser or root), and unprivileged processes (whose effective UID is nonzero). and Starting…
samshers
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Why NDP doesn't work on virtual ethernet interface for packets arriving from outside?

I am moving some of my services (SMTP, IMAP, etc.) into systemd-nspawn containers for better isolation, so I need to make some connections coming from outside redirected to containers. I got only 16 IPv6 addresses on this virtual machine from the…
Malgond
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Targeting specific google cloud run instance through HTTP

I'm using cloud run to run a node.js app with lru-cache and auto scaling. I have created a route to allow external services to reset the application's cache. I am now looking for a way to target every running container of the app and to curl the…
J Dubuis
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How can I forward IPv6 port 80/443 to a podman container?

I recently containerized my personal webserver. However, I've now noticed that it's no longer accessible over IPv6. Port mapping (-p 80:80 -p 443:443) only works for IPv4: https://github.com/containers/podman/issues/4323. So far I've managed to…
Tavian Barnes
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Docker Compose with Volumes in GCP?

After reading the several options for running containers in Google Cloud, I still cannot find a proper solution among the myriad of options - Cloud Run, Kubernetes, Container-OS... We need to be able to: run a docker image (hosted in…
Napoleon Cornejo
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Azure Container Instance (Windows Container) web application accessible to specific network (Intranet application setup)

Is it possible to have an intranet application setup using ACI's Windows container? There is a network in the office and workstations connected to network must be restricted to access web application hosted using ACI's. I don't see VNet's enabled…
wenn32
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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 docker We are before the following dilemma We can…
King David
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Running Linux and Windows containers together on Windows Server 2019

I am using docker EE latest version on my windows server 2019 host and I have nested virtualization enabled(as my windows server 2019 is a VM) and also I installed Hyper-V. I want to run linux and windows containers together, I tried running ubuntu…
Ravindra
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pause a container of a multi container pod in kubernetes

I've a pod with two containers. I need to pause one of them because when it's getting error whole of pod will restart and the second container start all things from beginning. I need to suspend first container till second one do it's job. Can i…
Vahid Alimohamadi
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Configuring Kubernetes Ingress

I'm trying to configure Google Kubernetes Engine Ingress properly to a load balanced Docker application which runs on port 3000. I'm clearly making an obvious mistake somewhere, but I have no idea where. Ingress always says machines are not healthy,…
James
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Unknown errors when upgrading/planning Kubernetes cluster upgrade

When upgrading kubernetes cluster with kubeadm, I am seeing the below errors when running "kubeadm upgrade plan".I am not sure how to work around these errors: I0716 10:45:02.966479 27758 version.go:182] fetching Kubernetes version from URL:…
mmiara
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docker logging container not reading docker logs

new to docker.... so got a few containers running and i want to run a logging container to collect all the logs up and send them to Rapid7. the rapid7 container is working as its sending stats to the remote syslog. BUT... it is not sending container…
Lee Hill
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