Installation Installation of PostgreSQL
Installation of PostgreSQL
Install through yum:
[root@localhost ~]# yum -y install postgresql-server postgresql postgresql-libsor
[root@localhost ~]# yum -y update postgresql-server postgresql postgresql-libs
Install through apt-get:
[root@localhost ~]# apt-get install postgresql
For manual installation:
Download the .rpm or .deb file(s) and save it to disk.
Binary Distributions: http://www.postgresql.org/download/linux
Install:
[root@localhost ~]# rpm -ivh postgresql-<version>.rpm postgresql-server-<version>.rpm postgresql-libs-<version>.i386.rpm
or
[root@localhost ~]# dpkg -i postgresql-<version>.debInitialization of PostgreSQL server:
[root@localhost ~]# service postgresql initdb [root@localhost ~]# chkconfig postgresql onor
[root@localhost ~]# postgresql-setup initdb [root@localhost ~]# systemctl enable postgresqlConfiguration:
edit the file /var/lib/pgsql/data/pg_hba.conf replase the line
host all all 127.0.0.1/32 identwith this one
host all all 127.0.0.1/32 md5Starting of PostgreSQL server:
[root@localhost ~]# service postgresql startor
[root@localhost ~]# systemctl start postgresqlLogon into the PostgreSQL server:
[root@localhost ~]# su postgres bash-4.2$ psql postgres could not change directory to "/root" psql (9.2.18) Type "help" for help. postgres=#Create PostgreSQL user:
postgres=# CREATE USER vpnttg SUPERUSER; CREATE ROLE postgres=# ALTER USER vpnttg PASSWORD 'vpnttgpass'; ALTER ROLECheck of PostgreSQL users:
postgres=# SELECT * FROM pg_shadow; usename | usesysid | usecreatedb | usesuper | userepl | usebypassrls | passwd | valuntil | useconfig ----------+----------+-------------+----------+---------+--------------+-------------------------------------+----------+----------- postgres | 10 | t | t | t | t | | | vpnttg | 16384 | f | t | f | f | md51e612cc18343323e2e462b39c92506aa | | (2 rows) postgres=#Logout from the PostgreSQL server:
postgres=# \q bash-4.2$ exit [root@localhost ~]#Create of VPNTTG DB:
[root@localhost ~]# export PGPASSWORD=vpnttgpass [root@localhost ~]# createdb vpnttgdb -h 127.0.0.1 -U vpnttgList of PostgreSQL databases:
[root@localhost ~]# psql -l -h 127.0.0.1 -U vpnttg List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges -----------+----------+----------+-------------+-------------+----------------------- postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres vpnttgdb | vpnttg | UTF8 | en_US.UTF-8 | en_US.UTF-8 | (4 rows) [root@localhost ~]#