If you’re trying to setup bandwidthd with PostgreSQL, you may run into the following error: bandwidthd: Connection to database ‘user = USER dbname = bandwidthd host = localhost password = PASSWORD’ failed: FATAL:  Ident authentication failed for user “USER”. This is most likely a problem with PostgreSQL and not bandwidthd itself.

Here’s how to fix it (on CentOS/RHEL):

vim /var/lib/pgsql/data/pg_hba.conf

Find the line:

host    all         all          ident sameuser

Change the last part to md5. Your line should look like this:

host    all         all          md5

Restart PostgreSQL

/etc/init.d/postgresql restart

Et voila! You should now be logging to PostgreSQL 🙂

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