seb@seb:~/tmp$ sudo pg_createcluster -u seb -d /home/seb/tmp/p -s /home/seb/tmp/s -l /home/seb/tmp/l/pg_logfile.log --start-conf auto 8.3 notadm
Creating new cluster (configuration: /etc/postgresql/ 8 . 3 /notadm, data: /home/seb/tmp/p)...
Moving configuration file /home/seb/tmp/p/postgresql.conf to /etc/postgresql/ 8 . 3 /notadm...
Moving configuration file /home/seb/tmp/p/pg_hba.conf to /etc/postgresql/ 8 . 3 /notadm...
Moving configuration file /home/seb/tmp/p/pg_ident.conf to /etc/postgresql/ 8 . 3 /notadm...
Configuring postgresql.conf to use port  5435 ...

seb@seb:~/tmp$ sudo pg_ctlcluster  8 . 3  notadm start

seb@seb:~/tmp$ pg_lsclusters
Version Cluster   Port Status Owner    Data directory                     Log file
 8 . 1      main       5434  down   postgres /var/lib/postgresql/ 8 . 1 /main       /var/log/postgresql/postgresql- 8 . 1 -main.log
 8 . 2      main       5433  down   postgres /var/lib/postgresql/ 8 . 2 /main       /var/log/postgresql/postgresql- 8 . 2 -main.log
 8 . 3      main       5432  online postgres /var/lib/postgresql/ 8 . 3 /main       /var/log/postgresql/postgresql- 8 . 3 -main.log
 8 . 3      notadm     5435  online seb      /home/seb/tmp/p                    /home/seb/tmp/l/pg_logfile.log

seb@seb:~/tmp$ psql --cluster 8.3/notadm
psql: FATAL:  база данных "seb" не существует

seb@seb:~/tmp$ psql --cluster 8.3/notadm postgres
Welcome to psql  8 . 3 . 0 , the PostgreSQL interactive terminal.

Type:  \copyright for distribution terms
       \h for help with SQL commands
       \? for help with psql commands
       \g or terminate with semicolon to execute query
       \q to quit

postgres=# \l
        Список баз данных
    Имя    | Владелец | Кодировка
-----------+----------+-----------
 postgres  | seb      | UTF8
 template0 | seb      | UTF8
 template1 | seb      | UTF8
( 3  rows)

postgres=# \q

seb@seb:~/tmp$ sudo pg_dropcluster --stop 8.3 notadm

seb@seb:~/tmp$ pg_lsclusters
Version Cluster   Port Status Owner    Data directory                     Log file
 8 . 1      main       5434  down   postgres /var/lib/postgresql/ 8 . 1 /main       /var/log/postgresql/postgresql- 8 . 1 -main.log
 8 . 2      main       5433  down   postgres /var/lib/postgresql/ 8 . 2 /main       /var/log/postgresql/postgresql- 8 . 2 -main.log
 8 . 3      main       5432  online postgres /var/lib/postgresql/ 8 . 3 /main       /var/log/postgresql/postgresql- 8 . 3 -main.log

# Setting environment variables for the postmaster here does not work; please
# set them in /etc/postgresql/ 8 . 2 /<cluster>/environment instead.

[ -r /usr/share/postgresql-common/init.d-functions ] || exit  0 

. /usr/share/postgresql-common/init.d-functions

VERSION= 8 . 2 

case "$1" in
    start)
        start $VERSION
        ;;
    stop)
        stop "$VERSION"
        ;;