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One-shot tool: adds a user to the docker group via root SSH.

crilivetest exercises every docker.Backend operation against a live CRI-O / generic CRI host and prints PASS/FAIL/XFAIL per operation.

livetest exercises every docker.Backend operation against a live host and prints PASS/FAIL/XFAIL per operation.

Diagnostic tool: checks Docker access via SSH and lists containers.

setup installs the local public key on the remote host via password auth.