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centos7 install postgresql

Using stock CentOS repositories

Installing PostgreSQL on CentOS7 can be done two ways:
  • From the PostgreSQL repositories
  • From the official CentOS repositories
The later will be described in this document
Installation
[root@localhost ~]#yum install -y postgresql postgresql-server postgresql-libs postgresql-contrib
Initialization
[root@localhost ~]# postgresql-setup initdb
Make sure it starts at boot
[root@localhost ~]# systemctl enable postgresql
Start the service
[root@localhost ~]# systemctl start postgresql
Switch to the service user
[root@localhost ~]# su - postgres
MAke sure you access locally
-bash-4.2$ psql
postgres=#
User and database creation
-bash-4.2$ createuser --interactive --pwprompt jira
-bash-4.2$ createdb --owner=jira jira
Switch to the Jira user
[root@localhost ~]# su - jira
[jira@localhost ~]$ psql --username=jira --password
psql (9.2.10)
Type "help" for help.
jira=#
If you want to access PostgreSQL without being "jira" user, you need to configure
[root@localhost ~]# nano -w /var/lib/pgsql/data/pg_hba.conf
And add
[...]
host   jira jira     127.0.0.1/32     md5
[...]


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