Postgres：无法连接到域套接字

Question

Running psql gets me this:

psql: could not connect to server: No such file or directory
    Is the server running locally and accepting
    connections on Unix domain socket "/tmp/.s.PGSQL.5432"?

I installed Postgres 9.3.3 using Homebrew.

which psql gives /usr/local/bin/psql

This seems to be a common issue. I'm terribly sorry to ask again, but I've gone through at least a dozen Q&As here and can't resolve the issue. A few posts I've gone through include:

• Why am I getting a could not connect to server error for postgres in Mac OS Lion?
• Postgres cannot connect to server on Unix domain socket 5432
• Can not connect to local PostgreSQL

Many thanks, Justin

Answer 1

Have you modified postgresql.conf to accept incoming TCP/IP connections? You should uncomment the listen_addresses parameter and set it to an appropriate subnet mask. Then in pg_hba.conf you have to add a line to enable connections to databases over TCP/IP. Both configuration files are in your data directory (don't know where that is on OSX).