Linking 2 SQL DBs in diff servers

Scenario LINK DB 1 in server 1 and DB 2 in server 2, to fetch the data from  DB2 in DB 1

Creating a link in DB1

USE master;
GO
EXEC sp_addlinkedserver  
   N'server2',
   N'SQL Server';
GO

--Set up login mappings.
EXEC sp_addlinkedsrvlogin N'server2', 'false', NULL, 'username', 'password';
 
GO

select * from [server2].[dbname].[dbo].[tablename]