What is the meaning yellow service “started” status on Homebrew?

Question

When I tried brew services list command, dnsmasq, nginx status started but yellow. php71 and mysql is started and green.

Previously when my Mysql statu

Answer 1

The following steps worked to solve this for me:

1. Remove the postmaster.pid file for your service (i.e. rm /usr/local/var/postgres/postmaster.pid).

2. Restart your service on homebrew (i.e. brew services restart postgresql).