Drop Down MenusCSS Drop Down MenuPure CSS Dropdown Menu

upgrade PostgreSQL from version 8.4 to 9.4 On Centos

Upgrade Postgresql 8.4 to 9.4 in Centos
1. Yum Install PG9.4
2. wget http://yum.postgresql.org/9.4/redhat/rhel-6-x86_64/pgdg-redhat94-9.4-1.noarch.rpm
3. yum install pgdg-redhat94-9.4-1.noarch.rpm
4. yum install postgresql94-server
5. service postgresql-9.4 initdb
6. chkconfig postgresql-9.4 on
Backup Data
7. su - postgres
8. pg_dumpall > dump.sql
Restore Data
9. service postgresql stop
10. service postgresql-9.4 start
11. su - postgres
12. psql < dump.sql
Config Network Access
vi /var/lib/pgsql/9.4/data/postgresql.conf

 1. listen_addresses = '*'
 2. port = 5432

# "local" is for Unix domain socket connections only
local   all         all                               ident
# IPv4 local connections:
host    all         all          ident
host    all         all        md5
host    all         all        md5
# IPv6 local connections:
host    all         all         ::1/128               ident
Remove PG8.4
1. yum remove postgresql
 2. ln -s /usr/pgsql-9.4/bin/psql /usr/local/bin/psql


Popular posts from this blog

rman interview and scenario based questions and answer and also rman(backup and recovery) discussions panel

How to Get Table Size, Database Size, Indexes Size, schema Size, Tablespace Size, column Size in PostgreSQL Database

How to find the server is whether standby (slave) or primary(master) in Postgresql replication ?

7 Steps to configure BDR replication in postgresql

PostgreSQL pgBadger