diff --git a/faq/modules/ROOT/pages/index.adoc b/faq/modules/ROOT/pages/index.adoc
index 4b415b4..adc2f59 100644
--- a/faq/modules/ROOT/pages/index.adoc
+++ b/faq/modules/ROOT/pages/index.adoc
@@ -2,7 +2,24 @@
   
 
 [#How_to_get_the_path_of_current_script0]
-xref:index.adoc#netflix[How to get the path of current script]
+xref:index.adoc#How_to_get_the_path_of_current_script[How to get the path of current script]
+
+[#Fix_x509_certificate_signed_by_unknown_authority_issue0]
+xref:index.adoc#Fix_x509_certificate_signed_by_unknown_authority_issue[How to Fix "x509: certificate signed by unknown authority" issue]
+
+[#Add_current_user_to_the_docker_group0]
+xref:index.adoc#Add_current_user_to_the_docker_group[Homw to Add current user to the docker group]
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -46,7 +63,32 @@ echo $wdir
 ----
 
 
-	
+[#Fix_x509_certificate_signed_by_unknown_authority_issue]
+[.text-right]
+== How to Fix "x509: certificate signed by unknown authority" issue  xref:index.adoc#Fix_x509_certificate_signed_by_unknown_authority_issue0[image:up-1.png[28,28,float=right]]
 
+ run with sudo
 
+[source,bash]
+----
+#!/bin/bash
 
+registry_address=hub.swarmlab.io
+registry_port=5443
+mkdir -p /etc/docker/certs.d/$registry_address:$registry_port
+openssl s_client -showcerts -connect $registry_address:$registry_port < /dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /etc/docker/certs.d/$registry_address:$registry_port/ca.crt
+
+registry_port=5480
+mkdir -p /etc/docker/certs.d/$registry_address:$registry_port
+openssl s_client -showcerts -connect $registry_address:$registry_port < /dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /etc/docker/certs.d/$registry_address:$registry_port/ca.crt
+
+----
+
+[#Add_current_user_to_the_docker_group]
+[.text-right]
+== Homw to Add current user to the docker group  xref:index.adoc#Fix_x509_certificate_signed_by_unknown_authority_issue0[image:up-1.png[28,28,float=right]]
+
+[source,bash]
+----
+sudo usermod -aG docker $USER 
+----