Questions tagged [docker]
Docker is an application to create containers for applications.
1,827 questions
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Unable to find Libcrypto on Ubuntu Docker container with Django Python
For a Django Python project, I develop in a Docker container. The oscrypto Python package I need is unable to find the Libcrypto library on the Ubuntu container. The Docker image is ubuntu:24.04. I am ...
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1 vote
1 answer
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Is it safe for my OS to run containernet docker image in privileged mode with /var/run/docker.sock:/var/run/docker.sock volume?
I have installed Containernet on Docker it suggests to run a sample with that command: docker run --name containernet -it --rm --privileged --pid='host' -v /var/run/docker.sock:/var/run/docker.sock ...
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Are a ncat ip port -vz or netstat -tunlp enough to say that a port is opened? A mongo connection to :27017 looks refused at socket level nevertheless
I have a mongo database in a container exposed by its 27017 port. When I do a netstat -tulpn, I see: tcp 0 0 0.0.0.0:27017 0.0.0.0.* LISTEN - tcp6 0 0 :::27017 :::* LISTEN - ...
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When opening my wsl terminal it give an error stating "wsl: Failed to start the systemd user session for 'linux'. See journalctl for more details."
I am running Ubuntu 24.04.3 LTS in Windows Subsystem For Linux. When I start my laptop and then open my wsl Terminal it give an error which state: wsl: Failed to start the systemd user session for '...
0 votes
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Docker + Create AP setup
I know this will be a bit of a stretch but... So I'm running ArchLinux on a Desktop PC with an i5, RX 6800, and a Realtek Wifi card from TP Link. I installed the linux wifi hotspot AUR package and ...
0 votes
0 answers
51 views
Docker iptables behavior
I have two Redhat 8 virtual machines. I'm running Docker on both, in this case as a host for the application called Graphite. The VMs started out identical to each other, and I pulled the same Docker ...
1 vote
0 answers
39 views
Trying to get ClamAV clamonacc on Linux VM host monitoring the Docker overlay2 file system on the host
I've been trying to get ClamAV's clamonacc on-access scanner to monitor the overlay2 file system where Docker container file systems are mounted on my Linux (Ubuntu 24.04) VM, so that I can detect any ...
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2 answers
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How to prevent all docker and podman containers from autostarting?
I think for docker it's docker ps -a to see all containers docker inspect containername | grep -A 3 RestartPolicy docker stop containername docker update --restart=no containername Is there a ...
- 4,980
1 vote
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How can I find what’s using space in my root LVM (/dev/mapper/ol_wglsbi02-root) on RHEL / Oracle Linux?
I inherited two servers, a production server (wglsbi02) and a mirror/backup server (wglsbi01), that were originally set up by someone who has since left the company. I’m not an experienced system ...
1 vote
0 answers
48 views
How to add user to group in docker bind?
I have a docker container with a bind to a the local fs. ../htdocs:/var/www/html The docker container creates folders and files in /var/www/html with apparent userid 33 and groupid 33. Both do not ...
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1 vote
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How to gracefully shutdown a docker container?
I need to run c++ application inside a docker container and it is deployed using AWS ECS. The application should run as user abcd and it should be able to generate core files. Initially I had a run ...
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2 votes
1 answer
100 views
PostgreSQL 15 container with data directory mounted as host bind mount
I'm trying to create PostgreSQL container with bind mounted host directory in it as the PostgreSQL data directory. Doing it according to official PostgreSQL docker image documentation and Example from ...
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0 votes
1 answer
64 views
Is it perfectly safe for the host to build any network structure of bridge type under a Docker container?
I'm thinking about using a Docker container to present complex networks, some causing some trouble, being misconfigured or else: it's for testing purpose. networks: frontend: driver: bridge ...
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Why would an alpine docker container resolve an IP with getent and not ping or in python?
I've run into a really weird issue while switching a docker build from a debian base image to an alpine base (FROM python:3.12-slim-bookwork, to FROM python:3.13-alpine). I suddenly get very weird DNS ...
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1 vote
1 answer
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Preallocate large continuous memory block for legacy executable
I'm trying to develop J2ME game on Linux using this guide by microgram dev. The j2me emulator from Oracle Wireless Toolkit works totally fine after Linux reboot. I run some other apps like browser, ...
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