fail execute docker run ...

[sinergial]

With debian trixie:

docker run -d --name=firefox -p 5800:5800 -v /docker/appdata/firefox:/config:rw jlesage/firefox
...

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

Run 'docker run --help' for more information

[jlesage]

If your user doesn't have permission to run docker, you need to execute the command as root. Try adding sudo in front of your command.