Question :

Which portal should we use to access the grid computing resources?

With this certificate, which computing grids can we access e.g can we access egee resources

Answer :

The detailed information of how users can get accounts and access to the Grid.
Step 1: Request a user certificate
Step 2: Join a Virtual Organization (VO)
Step 3: Get access to a Grid User Interface

1. You can install User interface (UI) and use it to access the grid resoures.We have a procedure to help you install UI , please refer to
http://lists.grid.sinica.edu.tw/apwiki/The_procedure_of_only_UI_installation

2. User must join one or more virtual organization to be a member of vo before using specific vo resource. The following link lists all VO registered by CIC. Make sure you have already imported your certificate into the browser before accessing this website.
CIC Operations Portal

Here you can find an user guide and you can read it to know how to start to use grid.
gLite documentation