Follow the last 100 log lines from a container
Build a paste-ready command, then review its compatibility and effects before running it.
docker logs -f --tail 100 <container>Complete required fields to copy the generated command.
read-onlyno known side effects Compatibility
Linux + macOSVerified for Linux, macOS using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-19
Requirementsdockerdocker must be installed and available on PATH.
Version supportdocker Current supported releasesVerified for linux, macos using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signals2026-07-23T08:18:41Z GET /health 200 1msRepresentative successful output; values vary with the selected target and system state.
Known errorsdocker: command not founddocker is missing or is not available on PATH.
Verifydocker logs -f --tail 100 {{container}}The output matches the expected target and exits without an error.Rollback noteNot required: this command is read-only and does not change system state.
Command breakdown
01docker logsContainer logsReads standard output and error captured for a container.
02-fFollowKeeps streaming new log entries.
03--tail 100Recent linesStarts with only the last 100 log lines.
04<container>Container targetReplace this with a container name or ID.
Example input
docker logs -f --tail 100 web
Example output
2026-07-23T08:18:41Z GET /health 200 1ms
2026-07-23T08:18:45Z GET /api/commands 200 12ms
Illustrative output — exact values vary by system and data.
Runbooks
Official sources