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Docker LXC - Portainer unable to access local environment #2017

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opened 2026-02-05 03:21:56 +03:00 by OVERLORD · 2 comments
OVERLORD commented 2026-02-05 03:21:56 +03:00
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Originally created by @Stavr0 on GitHub (Nov 17, 2025).

✅ Have you read and understood the above guidelines?

yes

📜 What is the name of the script you are using?

Docker LXC

📂 What was the exact command used to execute the script?

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/docker.sh)"

⚙️ What settings are you using?

  • Default Settings
  • Advanced Settings

🖥️ Which Linux distribution are you using?

Debian 12 Bookworm

📈 Which Proxmox version are you on?

pve-manager/8.4.14/b502d23c55afcba1 (running kernel: 6.8.12-16-pve)

📝 Provide a clear and concise description of the issue.

First run, after running script and applying the apparmor fix (#8890)

Initial setup of Portainer functioned normally, but I was unable to connect to 'local' enviromnent.

🔄 Steps to reproduce the issue.

Connect to portainer on LXC guest
Click on local environment

❌ Paste the full error output (if available).

Expect
Connection to local dashboard is successful
Actual
Unable to connect to environment named local

🖼️ Additional context (optional).

Workaround is to add following override
systemctl edit docker.service

Add following block

[Service]
Environment=DOCKER_MIN_API_VERSION=1.24

Restart docker daemon
systemctl restart docker.service

Originally created by @Stavr0 on GitHub (Nov 17, 2025). ### ✅ Have you read and understood the above guidelines? yes ### 📜 What is the name of the script you are using? Docker LXC ### 📂 What was the exact command used to execute the script? `bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/docker.sh)"` ### ⚙️ What settings are you using? - [ ] Default Settings - [x] Advanced Settings ### 🖥️ Which Linux distribution are you using? Debian 12 Bookworm ### 📈 Which Proxmox version are you on? pve-manager/8.4.14/b502d23c55afcba1 (running kernel: 6.8.12-16-pve) ### 📝 Provide a clear and concise description of the issue. First run, after running script *and* applying the apparmor fix (#8890) Initial setup of Portainer functioned normally, but I was unable to connect to 'local' enviromnent. ### 🔄 Steps to reproduce the issue. Connect to portainer on LXC guest Click on `local` environment ### ❌ Paste the full error output (if available). Expect Connection to `local` dashboard is successful Actual `Unable to connect to environment named local` ### 🖼️ Additional context (optional). Workaround is to add following override `systemctl edit docker.service` Add following block ``` [Service] Environment=DOCKER_MIN_API_VERSION=1.24 ``` Restart docker daemon `systemctl restart docker.service`
OVERLORD added the bug label 2026-02-05 03:21:56 +03:00
OVERLORD commented 2026-02-05 03:22:03 +03:00
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@oOStroudyOo commented on GitHub (Nov 17, 2025):

May not be related, but I've only recently started having the same problem.
I've been running it for years though without issue though.

Tried to build an LXC today to troubleshoot the above issue and Portainer also fails on install:

      Would you like to add Portainer (UI)? <y/N> y
  ⏳   Installing Portainer 2.33.3Unable to find image 'portainer/portainer-ce:latest' locally
latest: Pulling from portainer/portainer-ce
4f4fb700ef54: Pull complete 
9f7772ceb88a: Pull complete 
d35c85f36345: Pull complete 
f3e139b9cd66: Pull complete 
089b96337e3d: Pull complete 
2d896f38a01e: Pull complete 
22d4f45bf667: Pull complete 
c551c6af3241: Pull complete 
Digest: sha256:d38a6876b61df32e4da13c0ca61cf2aa0f27afc103abb4ca7ad4e1cf000e17c3
Status: Downloaded newer image for portainer/portainer-ce:latest
7ef1dc049cbe7c82b17d91fd5d68cf1c7353755074a2283aee68dabe0abfe075
docker: Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: open sysctl net.ipv4.ip_unprivileged_port_start file: reopen fd 8: permission denied
@oOStroudyOo commented on GitHub (Nov 17, 2025): May not be related, but I've only recently started having the same problem. I've been running it for years though without issue though. Tried to build an LXC today to troubleshoot the above issue and Portainer also fails on install: ``` Would you like to add Portainer (UI)? <y/N> y ⏳ Installing Portainer 2.33.3Unable to find image 'portainer/portainer-ce:latest' locally latest: Pulling from portainer/portainer-ce 4f4fb700ef54: Pull complete 9f7772ceb88a: Pull complete d35c85f36345: Pull complete f3e139b9cd66: Pull complete 089b96337e3d: Pull complete 2d896f38a01e: Pull complete 22d4f45bf667: Pull complete c551c6af3241: Pull complete Digest: sha256:d38a6876b61df32e4da13c0ca61cf2aa0f27afc103abb4ca7ad4e1cf000e17c3 Status: Downloaded newer image for portainer/portainer-ce:latest 7ef1dc049cbe7c82b17d91fd5d68cf1c7353755074a2283aee68dabe0abfe075 docker: Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: open sysctl net.ipv4.ip_unprivileged_port_start file: reopen fd 8: permission denied ```
OVERLORD commented 2026-02-05 03:22:13 +03:00
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@Stavr0 commented on GitHub (Nov 17, 2025):

Tried to build an LXC today to troubleshoot the above issue and Portainer also fails on install ...

The solution was to tweak the AppArmor configuration as described in ticket #8890 thread. This allowed the installation script to finish successfully -- the last step was failing on Portainer deployment.

Then the API version tweak fixed the problem where Portainer could not access the docker engine.

@Stavr0 commented on GitHub (Nov 17, 2025): > _Tried to build an LXC today to troubleshoot the above issue and Portainer also fails on install ..._ The solution was to tweak the *AppArmor* configuration as described in ticket #8890 thread. This allowed the installation script to finish successfully -- the last step was failing on Portainer deployment. - https://github.com/community-scripts/ProxmoxVE/issues/8890#issuecomment-3492891975 - https://github.com/opencontainers/runc/issues/4968 Then the API version tweak fixed the problem where Portainer could not access the docker engine.
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Reference: starred/ProxmoxVE#2017
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