20797: Prefer dnf in PostgreSQL install instructions

I believe this is the current preferred tool, and provides consistency
with other RH8 documentation.

Arvados-DCO-1.1-Signed-off-by: Brett Smith <brett.smith@curii.com>

diff --git a/doc/install/install-postgresql.html.textile.liquid b/doc/install/install-postgresql.html.textile.liquid
index 35ba41ad0c6f047ae9d553337829316fb7c0e169..56ad95635c9947e06a2ff31615386181899e54bc 100644 (file)
--- a/doc/install/install-postgresql.html.textile.liquid
+++ b/doc/install/install-postgresql.html.textile.liquid
@@ -43,7 +43,7 @@ The default version on RH8 is PostgreSQL 10. You can install up to PostgreSQL 13
 {% endcomment %}
 
 # Install PostgreSQL
-  <notextile><pre># <span class="userinput">yum install postgresql-server postgresql-contrib</span></pre></notextile>
+  <notextile><pre># <span class="userinput">dnf install postgresql-server postgresql-contrib</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