Update concepts_onboarding_checklist.md

Updated below :
  - Updated info about howto run script on Ubuntu with 
   DN_template.conf argument
- Updated info about GPG key global signing added output to use actual long pub key while signing .
 - correction in tags ( made identical all numbers)

input/pagecontent/concepts_onboarding_checklist.md

@@ -117,7 +117,8 @@ This repository contains the template for building [onboarding](https://github.c
 
 - You must adapt the following default certificate parameter of [DN_template.cnf](https://github.com/WorldHealthOrganization/tng-participant-template/blob/main/scripts/certgen/DN_template.cnf) file which will used  in gen_all_certs.sh to your needs:
 
-- Configuration Template for Certificate Generation, Modify for your own needs
+- Configuration Template for Certificate Generation, Modify for your own needs in DN_template.cnf file as it will 
+  used argumnet while running the script "gen_all_certs.sh".
 
 	```
  	export OSSL_COUNTRY_NAME="XC"
@@ -130,12 +131,18 @@ This repository contains the template for building [onboarding](https://github.c
 > Note: OSSL_COUNTRY_NAME should be ISO 2 letter name of the country mapped to the name used in repository.
 	
 - Then execute the script. It will generate all certificates and keys in a subfolder named by current datetime.
+- While execution of the "gen_all_certs.sh" script, Please provie script agrument "DN_template.cnf" file  which  
+  conisit of required county info to generate all required certificates (TLS,SCA,UP)
+
 
 
 	```
-	For Mac
+	For Mac/Unix
 	cd scripts/certgen
-	./gen_all_certs.sh
+	./gen_all_certs.sh DN_template.cnf	   
+           
+        zsh ./gen_all_certs.sh DN_template.cnf      ## If you are using Ubuntu OS
+        
 
 	For Windows:
 	cd scripts/certgen
@@ -336,11 +343,28 @@ Please be aware that RSA is NOT RECOMMENDED for the DSC and if you want to use R
 	```
 	gpg --list-key
 	```
+ 
+ 	```
+  	Output
+	gpg --list-key
+	/home/test/.gnupg/pubring.kbx
+	-----------------------------
+	
+	pub   rsa4096 2024-09-19 [SC]
+	      CD822874C7862BA4BB6B950E40CC62009D9A00B0
+	uid           [ultimate] Test User1 (This GPG Key is for XXC test Country) <[email protected]>
+	sub   rsa4096 2024-09-19 [E]
+  	```
+	**Note**: The PUB ID in above output is CD822874C7862BA4BB6B950E40CC62009D9A00B0 , In your case you need to 
+        replace with << replace with your Pub ID >> with your actual GPG public key ID to configure Git to use a GPG 
+        key for signing commits or tags in next command.
+       
 - Configure the signing key to be used globally for Git commits and tag
 	
 	```
-	git config --global user.signingkey A715A10BB59020ACCDCDFC4C620C4824F921A7F4
+	git config --global user.signingkey << replace with your Pub ID >>
 	```
+        
 
 - Retrieve the current GPG signing key configured for Git
 	```
@@ -364,13 +388,13 @@ Please be aware that RSA is NOT RECOMMENDED for the DSC and if you want to use R
 
 - Create a signed Git tag with a message
 	```
-	git tag -s v1.01 -m 'my signed 1.9 tag'
+	git tag -s v1.2 -m 'my signed 1.2 tag'
 	```
 
 - Displays the details of a specific tag
 	
 	```
-	git show v1.8
+	git show v1.2
 	```
 
 - Pushes all the local tags to the remote repository