diff --git a/doc/Installation/Installation-(Debian-Ubuntu).md b/doc/Installation/Installation-(Debian-Ubuntu).md
index dea55fb1fb..50d216d76e 100644
--- a/doc/Installation/Installation-(Debian-Ubuntu).md
+++ b/doc/Installation/Installation-(Debian-Ubuntu).md
@@ -177,6 +177,14 @@ Create the admin user - priv should be 10
 
 Substitute your desired username, password and email address--and leave the angled brackets off.
 
+### Validate your install ###
+
+Run validate.php as root in the librenms directory
+
+    php validate.php
+
+This will check your install to verify it is set up correctly.
+
 ### Add localhost ###
 
     php addhost.php localhost public v2c
diff --git a/doc/Installation/Installation-(RHEL-CentOS).md b/doc/Installation/Installation-(RHEL-CentOS).md
index d60fe96af6..cc9cf82043 100644
--- a/doc/Installation/Installation-(RHEL-CentOS).md
+++ b/doc/Installation/Installation-(RHEL-CentOS).md
@@ -303,6 +303,14 @@ Start the web-server:
     # For Nginx:
     systemctl restart nginx
 
+### Validate your install ###
+
+Run validate.php as root in the librenms directory
+
+    php validate.php
+
+This will check your install to verify it is set up correctly.
+
 ### Add localhost ###
 
     php addhost.php localhost public v2c
diff --git a/doc/Installation/Installation-Lighttpd-(Debian-Ubuntu).md b/doc/Installation/Installation-Lighttpd-(Debian-Ubuntu).md
index ed48898135..dedb51866d 100644
--- a/doc/Installation/Installation-Lighttpd-(Debian-Ubuntu).md
+++ b/doc/Installation/Installation-Lighttpd-(Debian-Ubuntu).md
@@ -153,6 +153,14 @@ then restart Lighttpd:
 
     service lighttpd restart
 
+### Validate your install ###
+
+Run validate.php as root in the librenms directory
+
+    php validate.php
+
+This will check your install to verify it is set up correctly.
+
 ### Add localhost ###
 
     php addhost.php localhost public v2c