Add missing initdb to PostgreSQL documentation

refs #5864

diff --git a/doc/02-getting-started.md b/doc/02-getting-started.md
index dc00af57df345acf1d04f87e6edb4e2f1e0d2820..b9000a398b88310f68e0b1d0b59a4c4e20a9ca19 100644 (file)
--- a/doc/02-getting-started.md
+++ b/doc/02-getting-started.md
@@ -635,6 +635,7 @@ RHEL/CentOS 6:
 
     # yum install postgresql-server postgresql
     # chkconfig postgresql on
+    # service postgresql initdb
     # service postgresql start
 
 RHEL/CentOS 7:
@@ -648,12 +649,14 @@ SUSE:
 
     # zypper install postgresql postgresql-server
     # chkconfig postgresql on
+    # service postgresql initdb
     # service postgresql start
 
 FreeBSD:
 
     # pkg install postgresql93-server
     # sysrc postgresql_enable=yes
+    # service postgresql initdb
     # service postgresql start
 
 Alpine Linux: