$ munin-node-configure --shell
# pgbouncer_connections:
# Junk printed to stderr
munin-run pgbouncer_connections --debug
# Processing plugin configuration from /etc/munin/plugin-conf.d/munin-node
# Setting /rgid/ruid/ to /121/65534/
# Setting /egid/euid/ to /121 121/65534/
# Setting up environment
# About to run '/etc/munin/plugins/pgbouncer_connections'
DBI connect('dbname=pgbouncer','',...) failed: fe_sendauth: no password supplied at /usr/share/perl5/Munin/Plugin/Pgsql.pm line 430.
Failed to connect to database: fe_sendauth: no password supplied