OneLinersCommand workbench
Verified diagnostic signature

Got permission denied while trying to connect

The Docker client selected a local daemon socket that the current process cannot open. Match this output from docker, then continue with sourced, read-only checks.

Confidence
high
Platforms
linux
Verified
2026-07-24
Recognized output

Signature matched locally

Got permission denied while trying to connect

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Likely causes

What usually produces this signal

  1. Stale login group membership
  2. Wrong Docker context
  3. Socket owner or mode drift
  4. Rootless and rootful endpoint mismatch
  5. Mandatory access-control denial
Safe next checks

Collect evidence before changing the system

01

Show the current user and group identities

id

The output matches the expected target and exits without an error.

02

Show running Docker containers

docker ps

The output matches the expected target and exits without an error.

Related signals

Other output patterns from this error family

permission denied while trying to connect to the Docker daemon socketThe Docker client selected a local daemon socket that the current process cannot open.dial unix /var/run/docker.sock: connect: permission deniedThe Docker client selected a local daemon socket that the current process cannot open.connect: permission denied … docker.sockThe Docker client selected a local daemon socket that the current process cannot open.permission denied … docker.sockThe Docker client selected a local daemon socket that the current process cannot open.