brew services start promtail

brew services start promtail 

==> Successfully started `promtail` (label: homebrew.mxcl.pr

brew services start promtail

Bootstrap failed: 5: Input/output error
Try re-running the command as root for richer errors.
Error: Failure while executing; `/bin/launchctl bootstrap gui/501 /Users/user/Library/LaunchAgents/homebrew.mxcl.promtail.plist` exited with 5.

Related

brew install promtail
promtail --help
brew services restart promtail
brew services info promtail

See also

• Promtail, /etc/promtail/config.yml, promtail [ -check-syntax, | -version | -help ]