The document is a presentation by Spencer Christensen on PostgreSQL administration for Linux/Unix system administrators, focusing on management and monitoring aspects. It covers various topics, including creating database clusters, configuring postgresql.conf and pg_hba.conf, logging options, and tools for monitoring database performance. Key commands and examples for installation, starting/stopping the database, and managing connections are also provided.

1. Postgres Administration for Sysadmins Spencer Christensen Backcountry.com PostgreSQL Conference East, Philadelphia March 26, 2010

2. PostgreSQL How do you pronounce “PostgreSQL”?

3. The Q and L are silent

4. How do you pronounce Thule? “Yakima”

5. Audience Linux/Unix system administrator

6. Familiar with databases

7. Want to understand Postgres better

8. What we'll cover Management

9. Monitoring

10. What we'll cover Management Creating a cluster

11. Highlights of postgresql.conf

12. Logging options, review of log output

13. pg_hba.conf

14. Starting, stopping, restarts

15. Connecting with psql

16. What we'll cover Monitoring top

17. ps

18. du

19. pgtop

20. pg_top

21. check_postgres.pl

22. Pgfouine

23. Management Install by rpm/deb/source

24. Multiple installs

25. Multiple instances (different ports, different ip addresses, etc)

26. Creating a cluster Initdb -D /path/to/data/dir [options] -U postgres [schristensen@small_db ~]$ initdb -U postgres -D cluster1/data The files belonging to this database system will be owned by user "schristensen". This user must also own the server process. The database cluster will be initialized with locale en_US.UTF-8. The default database encoding has accordingly been set to UTF8. The default text search configuration will be set to "english".

27. Postgresql.conf Located at $PGDATA/postgresql.conf

28. Helpful comments