How to load author client libraries only in the edit mode in sightly?

The below code loads the client library only in the preview and edit mode.

<sly data-sly-test="${wcmmode.preview || wcmmode.edit}" data-sly-call="${clientLib.all @ categories='category.name'}"/>

Creating system user | How to create system user in aem cq

System users help us play with the aem reources, make changes and commmit it programmatically. Creating a system user involves couple of steps, the same is illustrated below.

Step 1:: Access crx explorer from the link http://localhost:4502/crx/explorer/index.jsp.

Step 2:: In order to create system user, you should have logged in with the Administrators credentials. Click on login on the crx explorer dashboard.

Step 3:: Click the option called "User Administartion". This now opens up a new window , Click "Create system user" to create one.

Step 4::  Fill the details :: User iD -> system(this is just the user id of the user, can be any name).
Enter the intermediate path: /home/users/system

Step 5:: Select the small green tick to complete the step.

Congratulations!!! You just created a system user.