pg_log directory for postgresql in ubuntu?

I followed instruction on

it says to set log_directory = pg_log

where's that directory in ubuntu? :(

2 Answers

Under postgres data directory something like /var/lib/postgresql/9.3/main/pg_log

The query gives you the actual log directory in any operating system.

select format('%s/%s', current_setting('data_directory'), current_setting('log_directory'));