# Docker Engine **URL:** https://forums.docker.com/c/docker-engine/22.md?page=2 [Latest](https://forums.docker.com/latest.md) · [Categories](https://forums.docker.com/categories.md) · [Tags](https://forums.docker.com/tags.md) **Page:** 3 --- ## [Docker flooding syslog with dns errors](https://forums.docker.com/t/docker-flooding-syslog-with-dns-errors/151259)
**Author:** [@donnerbraten](https://forums.docker.com/u/donnerbraten)\ **Replies:** 9\ **Last updated:** [March 11, 2026, 4:00pm UTC](https://forums.docker.com/t/docker-flooding-syslog-with-dns-errors/151259 "2026-03-11T16:00:32Z")
Hi, I just went though my logs and found out docker is flooding with dns errors like: level=error msg=“\[resolver\] failed to query external DNS server” client-addr=“udp:127.0.0.1:47051” dns-server=“udp:127.0.0.1:53” err… --- ## [Error creating vxlan interface: file exists](https://forums.docker.com/t/error-creating-vxlan-interface-file-exists/151288)
**Author:** [@romgo](https://forums.docker.com/u/romgo)\ **Replies:** 1\ **Last updated:** [March 10, 2026, 6:51pm UTC](https://forums.docker.com/t/error-creating-vxlan-interface-file-exists/151288 "2026-03-10T18:51:10Z")
Hello, I upgraded a standalone docker swarm node, from 28.3.0 to 28.5.2 and some swarm service wasn’t able to restart with the following error : The error “network sandbox join failed: subnet sandbox join failed f… --- ## [NFS share not mounting as volume, but fine manually](https://forums.docker.com/t/nfs-share-not-mounting-as-volume-but-fine-manually/151243)
**Author:** [@pludikovsky](https://forums.docker.com/u/pludikovsky)\ **Replies:** 4\ **Last updated:** [March 4, 2026, 6:29pm UTC](https://forums.docker.com/t/nfs-share-not-mounting-as-volume-but-fine-manually/151243 "2026-03-04T18:29:40Z")
Facts: Docker Engine 29.1.3 running on Alpine x86\_64 NFS share available via OpenMediaVault Docker Swarm with 3 nodes (1 Master, 2 workers) All nodes are dual-stack with static IPs All Hostnames are resolvable, all rev… --- ## [\[Feature\] add debug command to CLI](https://forums.docker.com/t/feature-add-debug-command-to-cli/151203)
**Author:** [@pascalguinetprima](https://forums.docker.com/u/pascalguinetprima)\ **Replies:** 4\ **Last updated:** [February 26, 2026, 7:53am UTC](https://forums.docker.com/t/feature-add-debug-command-to-cli/151203 "2026-02-26T07:53:39Z")
Hi there, I’d really like to have “docker debug” command from the command line, without the full Docker Desktop application. Is there any plan to have it implemented ? Regards, --- ## [Docker: 'debug' is not a docker command](https://forums.docker.com/t/docker-debug-is-not-a-docker-command/145111)
**Author:** [@guillermofuchter465](https://forums.docker.com/u/guillermofuchter465)\ **Replies:** 5\ **Last updated:** [February 25, 2026, 4:13pm UTC](https://forums.docker.com/t/docker-debug-is-not-a-docker-command/145111 "2026-02-25T16:13:46Z")
Hi! Lately I’ve read about the docker debug command, and I was hoping to give it a go on my machine. For context, I have a linux (Manjaro) machine with Docker 27.2.1. Note that I have the docker cli installed, but not do… --- ## [Curl: (56) Recv failure: Connection reset by peer](https://forums.docker.com/t/curl-56-recv-failure-connection-reset-by-peer/151126)
**Author:** [@juatbiraj](https://forums.docker.com/u/juatbiraj)\ **Replies:** 1\ **Last updated:** [February 16, 2026, 11:22pm UTC](https://forums.docker.com/t/curl-56-recv-failure-connection-reset-by-peer/151126 "2026-02-16T23:22:30Z")
I have frontend running inside a docker container and nginx is serving it i can access that thing inside a container by exec command but cant when i try to access it locally eg nworks@nworks-MS-7E32:~$ docker exec -it 1… --- ## [I need an ipv6 and a normal ipv4 bridge in the same container](https://forums.docker.com/t/i-need-an-ipv6-and-a-normal-ipv4-bridge-in-the-same-container/151110)
**Author:** [@pattagghiu](https://forums.docker.com/u/pattagghiu)\ **Replies:** 5\ **Last updated:** [February 16, 2026, 9:43pm UTC](https://forums.docker.com/t/i-need-an-ipv6-and-a-normal-ipv4-bridge-in-the-same-container/151110 "2026-02-16T21:43:09Z")
Hello, new user here. I’m trying to give ipv4 AND ipv6 connectivity to the same container and i’m not getting anywhere :slight\_smile: i tried with a macvlan connection for ipv6 and a bridge interface for ipv4 (where i … --- ## [Huge disk usage](https://forums.docker.com/t/huge-disk-usage/151053)
**Author:** [@svefro](https://forums.docker.com/u/svefro)\ **Replies:** 14\ **Last updated:** [February 10, 2026, 6:25pm UTC](https://forums.docker.com/t/huge-disk-usage/151053 "2026-02-10T18:25:19Z")
Can someone explain my docker disk usage? Is this normal? I have a docker host running in a LXC that use way to mouch space i think. I have had to increse drive multiple times. Due to backup size and host disk usage i … --- ## [Almost pulling my hair out trying to figure out docker watch](https://forums.docker.com/t/almost-pulling-my-hair-out-trying-to-figure-out-docker-watch/151061)
**Author:** [@ingenarelneojesus](https://forums.docker.com/u/ingenarelneojesus)\ **Replies:** 3\ **Last updated:** [February 9, 2026, 5:56pm UTC](https://forums.docker.com/t/almost-pulling-my-hair-out-trying-to-figure-out-docker-watch/151061 "2026-02-09T17:56:12Z")
TLDR: docker compose --watch isn’t mounting the files/dirs first this is one of my services: searxng: container\_name: searxng image: docker.io/searxng/searxng:latest restart: unless-stopped networks: … --- ## [Run custom local MCP server through Docker MCP gateway](https://forums.docker.com/t/run-custom-local-mcp-server-through-docker-mcp-gateway/150999)
**Author:** [@dial647](https://forums.docker.com/u/dial647)\ **Replies:** 1\ **Last updated:** [February 3, 2026, 8:45am UTC](https://forums.docker.com/t/run-custom-local-mcp-server-through-docker-mcp-gateway/150999 "2026-02-03T08:45:22Z")
I am trying to add a local MCP server which is running off a docker image into the docker mcp gateway and not getting much traction. I am using docker-compose.yml to run the MCP gateway and have added the local MCP serve… --- ## [Local access to Docker containers while running Wireguard with killswitch](https://forums.docker.com/t/local-access-to-docker-containers-while-running-wireguard-with-killswitch/150959)
**Author:** [@dfl808](https://forums.docker.com/u/dfl808)\ **Replies:** 1\ **Last updated:** [February 2, 2026, 12:14pm UTC](https://forums.docker.com/t/local-access-to-docker-containers-while-running-wireguard-with-killswitch/150959 "2026-02-02T12:14:06Z")
Hi! I am new here, so please let me know if I put this topic in the wrong place or anything of that sort. I also am not a networking expert by any means, so please forgive me if I am using any terminology incorrectly or … --- ## [Permission denied in /var/lib/docker](https://forums.docker.com/t/permission-denied-in-var-lib-docker/150979)
**Author:** [@blumed](https://forums.docker.com/u/blumed)\ **Replies:** 2\ **Last updated:** [February 2, 2026, 4:42am UTC](https://forums.docker.com/t/permission-denied-in-var-lib-docker/150979 "2026-02-02T04:42:20Z")
Hi, i’ve set up a raspberry pi 5 with raspberrypios and docker. Installed using the convenience script and the https://docs.docker.com/engine/install/linux-postinstall/ instructions. After log in via terminal and ssh … --- ## [Docker compose struggling with permission setting up Hashicorp Vault](https://forums.docker.com/t/docker-compose-struggling-with-permission-setting-up-hashicorp-vault/150857)
**Author:** [@motorbass](https://forums.docker.com/u/motorbass)\ **Replies:** 2\ **Last updated:** [January 30, 2026, 2:07pm UTC](https://forums.docker.com/t/docker-compose-struggling-with-permission-setting-up-hashicorp-vault/150857 "2026-01-30T14:07:12Z")
I’m struggling while setting up Hashicorp Vault on Docker using Docker Compose in a dedicated Debian 13.3 VM. Docker engine version is 29.1.4, docker compose is 2.26.1-4 , Vault image is 1.21. By default, Vault image i… --- ## [Debian 12 host crashes when starting "Dive into Ansible" compose project that runs Systemd in containers](https://forums.docker.com/t/debian-12-host-crashes-when-starting-dive-into-ansible-compose-project-that-runs-systemd-in-containers/147073)
**Author:** [@priestapostate](https://forums.docker.com/u/priestapostate)\ **Replies:** 8\ **Last updated:** [January 29, 2026, 6:41pm UTC](https://forums.docker.com/t/debian-12-host-crashes-when-starting-dive-into-ansible-compose-project-that-runs-systemd-in-containers/147073 "2026-01-29T18:41:31Z")
I’m currently studying Ansible with a Udemy course (“Dive Into Ansible - Beginner to Expert in Ansible - DevOps”) that works with Docker instances; I installed Docker CE and Docker Compose plugin towards that end. Upon … --- ## [Port already allocated despite container down](https://forums.docker.com/t/port-already-allocated-despite-container-down/150856)
**Author:** [@iagorluchesi](https://forums.docker.com/u/iagorluchesi)\ **Replies:** 7\ **Last updated:** [January 27, 2026, 3:48pm UTC](https://forums.docker.com/t/port-already-allocated-despite-container-down/150856 "2026-01-27T15:48:23Z")
hello everyone, im reopening this topic Failed: port is already allocated even with container down, we stopped at the docker packages, because, back then i installed docker via ubuntu packages instead of docker official … --- ## [Docker Swarm Ingress network is not forwarding packets to the containers](https://forums.docker.com/t/docker-swarm-ingress-network-is-not-forwarding-packets-to-the-containers/150908)
**Author:** [@jcake](https://forums.docker.com/u/jcake)\ **Replies:** 2\ **Last updated:** [January 22, 2026, 5:32pm UTC](https://forums.docker.com/t/docker-swarm-ingress-network-is-not-forwarding-packets-to-the-containers/150908 "2026-01-22T17:32:26Z")
Hello. There have been a number of posts relating to Docker Swarm mode “not working”. Unfortunately, none of these have worked for me. Scenario: Two Proxmox hosts: p1 and c2 run one privileged LXC each - architect on p… --- ## [Can't run ANYTHING—even hello-world fails w/ "link not found" error](https://forums.docker.com/t/cant-run-anything-even-hello-world-fails-w-link-not-found-error/33753)
**Author:** [@leears](https://forums.docker.com/u/leears)\ **Replies:** 4\ **Last updated:** [January 21, 2026, 7:51am UTC](https://forums.docker.com/t/cant-run-anything-even-hello-world-fails-w-link-not-found-error/33753 "2026-01-21T07:51:19Z")
Been struggling with this problem on and off for six months and I have run completely out of ideas. When executing any docker image, even hello-world, I get the following error: # docker run hello-world container\_li… --- ## [MCP toolkit in Docker Engine on Linux](https://forums.docker.com/t/mcp-toolkit-in-docker-engine-on-linux/150888)
**Author:** [@gtp95](https://forums.docker.com/u/gtp95)\ **Replies:** 10\ **Last updated:** [January 19, 2026, 9:17pm UTC](https://forums.docker.com/t/mcp-toolkit-in-docker-engine-on-linux/150888 "2026-01-19T21:17:57Z")
Greetings, I’m trying to use the MCP toolkit on an headless machine, therefore I would like to use it with the Docker engine (not Docker Desktop). According to this previous discussion on the topic, it seems to be possi… --- ## [Docker run error: /proc/self/fd/6: permission denied](https://forums.docker.com/t/docker-run-error-proc-self-fd-6-permission-denied/150873)
**Author:** [@astrosias](https://forums.docker.com/u/astrosias)\ **Replies:** 5\ **Last updated:** [January 19, 2026, 6:14pm UTC](https://forums.docker.com/t/docker-run-error-proc-self-fd-6-permission-denied/150873 "2026-01-19T18:14:38Z")
Hi, I’m pretty new to docker and was trying to install it and run the hello-world container on a new Ubuntu 25.10 machine. I followed the steps listed here: Ubuntu | Docker Docs and used the “apt” install method (I am … --- ## [Get a container's full id from inside of itself](https://forums.docker.com/t/get-a-containers-full-id-from-inside-of-itself/37237)
**Author:** [@jfgineste](https://forums.docker.com/u/jfgineste)\ **Replies:** 15\ **Last updated:** [January 19, 2026, 4:42pm UTC](https://forums.docker.com/t/get-a-containers-full-id-from-inside-of-itself/37237 "2026-01-19T16:42:55Z")
Hello, For a project, I absolutely need to know a container’s full id from inside of itself (without executing any command on the host). Is there any way to get this information? For information, this is the function w… --- ## [Failed to copy: httpReadSeeker Forbidden](https://forums.docker.com/t/failed-to-copy-httpreadseeker-forbidden/150850)
**Author:** [@markman8](https://forums.docker.com/u/markman8)\ **Replies:** 5\ **Last updated:** [January 19, 2026, 6:02am UTC](https://forums.docker.com/t/failed-to-copy-httpreadseeker-forbidden/150850 "2026-01-19T06:02:56Z")
Hello to all, I am trying to install Tutor (OpenEdX) and I get the following after few lines of successful code execution: \[+\] up 0/9 ⠋ Image docker.io-overhangio/openedx:20.0.5-indigo Pulling 2.0s… --- ## [Docker Compose incorrectly resolves variables](https://forums.docker.com/t/docker-compose-incorrectly-resolves-variables/150834)
**Author:** [@10takla](https://forums.docker.com/u/10takla)\ **Replies:** 2\ **Last updated:** [January 15, 2026, 6:26pm UTC](https://forums.docker.com/t/docker-compose-incorrectly-resolves-variables/150834 "2026-01-15T18:26:24Z")
compose.yml (redacted): services: ab: image: alpine tmp/.env: A=1 A1=$A tmp/.env.override: A=2 A1=$A Command: docker compose --env-file=tmp/.env --env-file=tmp/.env.override config --environment Actua… --- ## [Cannot run hello-world after upgrade](https://forums.docker.com/t/cannot-run-hello-world-after-upgrade/150811)
**Author:** [@cheapohubby](https://forums.docker.com/u/cheapohubby)\ **Replies:** 6\ **Last updated:** [January 12, 2026, 7:41pm UTC](https://forums.docker.com/t/cannot-run-hello-world-after-upgrade/150811 "2026-01-12T19:41:54Z")
Hi all; hope you can assist. Last night I finally did an update of Immich which is the only app I run under Docker on a Ubuntu machine. That upgrade seemed to go okay and confirmed I could talk to the Immich server aft… --- ## [On Failure Max Retry Policy In Docker Compose 2](https://forums.docker.com/t/on-failure-max-retry-policy-in-docker-compose-2/123376)
**Author:** [@guzelcihad](https://forums.docker.com/u/guzelcihad)\ **Replies:** 11\ **Last updated:** [January 12, 2026, 6:10pm UTC](https://forums.docker.com/t/on-failure-max-retry-policy-in-docker-compose-2/123376 "2026-01-12T18:10:45Z")
Hi, I’ve using docker compose 2. I want to set restart policy but don’t want to create loop. For this there is max retry condition. But it seems I can’t use it in version 2. I get error in Intellij when I want to set … --- ## [Linux - how to delete old \*overlay2\* data from disk after switching to \*containerd\* storage backend](https://forums.docker.com/t/linux-how-to-delete-old-overlay2-data-from-disk-after-switching-to-containerd-storage-backend/150787)
**Author:** [@userid0x0](https://forums.docker.com/u/userid0x0)\ **Replies:** 2\ **Last updated:** [January 8, 2026, 7:01pm UTC](https://forums.docker.com/t/linux-how-to-delete-old-overlay2-data-from-disk-after-switching-to-containerd-storage-backend/150787 "2026-01-08T19:01:58Z")
Hi, I recently switched to the new proposed containerd storage backend as proposed in \[1,2\] . What is the intended way remove the old data e.g. images (the ones stored in /var/lib/docker) from the disk? After following… --- ## [Docker container on Linux doesn't see the tunnel created by my OpenVPN client](https://forums.docker.com/t/docker-container-on-linux-doesnt-see-the-tunnel-created-by-my-openvpn-client/150785)
**Author:** [@gre4tusername](https://forums.docker.com/u/gre4tusername)\ **Replies:** 2\ **Last updated:** [January 7, 2026, 11:13pm UTC](https://forums.docker.com/t/docker-container-on-linux-doesnt-see-the-tunnel-created-by-my-openvpn-client/150785 "2026-01-07T23:13:29Z")
Hello, I’m unsure where to post, I’ll explain my issue. I installed qBitTorrent-NoX, a headless version of qBitTorrent as a Docker container, on a Linux arm32v7 QNAP NAS. I set up the container using the Container Stati… --- ## [Failed to get macvlan set up](https://forums.docker.com/t/failed-to-get-macvlan-set-up/150779)
**Author:** [@billmoseley](https://forums.docker.com/u/billmoseley)\ **Replies:** 5\ **Last updated:** [January 7, 2026, 9:31pm UTC](https://forums.docker.com/t/failed-to-get-macvlan-set-up/150779 "2026-01-07T21:31:21Z")
Docker version 28.2.2, build 28.2.2-0ubuntu1~24.04.1 I’ve been following the steps for macvlan in the documentation, but I fear I must be missing something obvious. I need help debugging this. My goal is to use Compose… --- ## [Help needed with Minecraft server mount error](https://forums.docker.com/t/help-needed-with-minecraft-server-mount-error/150782)
**Author:** [@vanni9](https://forums.docker.com/u/vanni9)\ **Replies:** 3\ **Last updated:** [January 7, 2026, 7:34pm UTC](https://forums.docker.com/t/help-needed-with-minecraft-server-mount-error/150782 "2026-01-07T19:34:50Z")
Hello iam not really good a coding or barely know anything , but i decided to try to use our Ugreen NAS as a Minecraft server and pulled itz\_minecraft from the web and after setting a lot of things up , i ended up havin… --- ## [Request: Local buildx tag aliases](https://forums.docker.com/t/request-local-buildx-tag-aliases/150749)
**Author:** [@mcandre](https://forums.docker.com/u/mcandre)\ **Replies:** 0\ **Last updated:** [January 4, 2026, 11:09pm UTC](https://forums.docker.com/t/request-local-buildx-tag-aliases/150749 "2026-01-04T23:09:30Z")
buildx multiplatform tag aliasing appears to be strangely restricted to remote registries. If so, this complicates development processes in several ways. Breaks immutable image development patterns Requires the origin… --- ## [Issues during container startup](https://forums.docker.com/t/issues-during-container-startup/150735)
**Author:** [@val2000](https://forums.docker.com/u/val2000)\ **Replies:** 10\ **Last updated:** [January 3, 2026, 10:20am UTC](https://forums.docker.com/t/issues-during-container-startup/150735 "2026-01-03T10:20:50Z")
Hi folks, there are some issues with my Docker installation. I’m running docker on the old NAS and trying to get as much as possible from it. uname -a No LSB modules are available. Distributor ID: Debian Description: … [Previous page](https://forums.docker.com/c/docker-engine/22.md?page=1) [Next page](https://forums.docker.com/c/docker-engine/22.md?page=3)