Install Postgres 14
1. Fix repository in the mirror list
cd /etc/yum.repos.d/ sudo sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* sudo sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
2. Actualisation of packages
sudo yum update -y
3. Apply again step 1 to put back the fix.
4. Add the PostgreSQL 14 repository
sudo yum -y install https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
5. The default built-in PostgreSQL module might lead to unwanted conflicts, so make sure it is disabled.
sudo dnf -qy module disable postgresql
6. Install and init database
sudo dnf install -y postgresql14-server
7. Check packages version upon successful installation
RHEL$ rpm -qi postgresql14-server postgresql14 Name : postgresql14-server Version : 14.1
8. Initialize DB
sudo /usr/pgsql-14/bin/postgresql-14-setup initdb Initializing database ... OK
9. Start and enable database service
sudo systemctl enable --now postgresql-14 sudo systemctl start postgresql-14
10. Check status
systemctl status postgresql-14
Set password for Postgres user and login
1. Switch to postgres user account
sudo su - postgres
2. Access psql shell
-bash-4.2$ psql psql (14.1) Type "help" for help. postgres=#
3. Set a password for a Postgres user. By default is in Newired installer password newired.
postgres=# alter user postgres with password 'newired'; ALTER ROLE
4. Logout from the shell
postgres=# \q -bash-4.2$ logout
Allow connection from localhost to database over password
1. Edit file /var/lib/pgsql/14.1/data/pg_hba.conf and change:
host all all 127.0.0.1/32 ident
To:
host all all 127.0.0.1/32 md5
2. Edit file /var/lib/pgsql/14.1/data/postgresql.conf. Locate password_encryption variable and set it to md5.:
password_encryption = md5
3.Restart service
4.Test connection superuser (postgres) over password
psql -h 127.0.0.1 -U postgres -W
Troubleshooting:
In case of failed installation of Portal
Try first change encryption to md5 in pg_hba.conf and then change password
Or
Apply md5 encryption to all rows in pg_hba.conf
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