-# Install PostgreSQL:
- <notextile><pre>~$ <span class="userinput">sudo yum install rh-postgresql95 rh-postgresql95-postgresql-contrib</span>
-~$ <span class="userinput">scl enable rh-postgresql95 bash</span></pre></notextile>
-# Initialize the database:
- <notextile><pre>~$ <span class="userinput">sudo postgresql-setup initdb</span></pre></notextile>
-# Configure the database to accept password connections:
- <notextile><pre><code>~$ <span class="userinput">sudo sed -ri -e 's/^(host +all +all +(127\.0\.0\.1\/32|::1\/128) +)ident$/\1md5/' /var/lib/pgsql/data/pg_hba.conf</span></code></pre></notextile>
-# Configure the database to launch at boot:
- <notextile><pre>~$ <span class="userinput">sudo systemctl enable rh-postgresql95-postgresql</span></pre></notextile>
-# Start the database:
- <notextile><pre>~$ <span class="userinput">sudo systemctl start rh-postgresql95-postgresql</span></pre></notextile>
-# "Set up Arvados credentials and databases":#rails_setup for the services that will use this PostgreSQL install.
-
-h3(#debian). Debian or Ubuntu
-
-Debian 8 (Jessie) and Ubuntu 16.04 (Xenial) and later versions include a sufficiently recent version of Postgres.
+# Install PostgreSQL
+ <notextile><pre># <span class="userinput">yum install rh-postgresql12 rh-postgresql12-postgresql-contrib</span>
+~$ <span class="userinput">scl enable rh-postgresql12 bash</span></pre></notextile>
+# Initialize the database
+ <notextile><pre># <span class="userinput">postgresql-setup initdb</span></pre></notextile>
+# Configure the database to accept password connections from localhost
+ <notextile><pre><code># <span class="userinput">sed -ri -e 's/^(host +all +all +(127\.0\.0\.1\/32|::1\/128) +)ident$/\1md5/' /var/lib/pgsql/data/pg_hba.conf</span></code></pre></notextile>
+# Configure the database to accept password connections from the local network (replace @10.9.8.0/24@ with your private network mask)
+ <notextile><pre><code># <span class="userinput">echo 'host all all 10.9.8.0/24 md5' | tee -a /var/lib/pgsql/data/pg_hba.conf</span></code></pre></notextile>
+# Configure the database to launch at boot and start now
+ <notextile><pre># <span class="userinput">systemctl enable --now rh-postgresql12-postgresql</span></pre></notextile>