How to check if Replication components are installed on your SQL Server

If you need to check as to whether or not SQL Replication components are installed on a specific instance of your SQL Server
Execute the following command on that instance which will give you the answer

EXEC sp_ms_replication_installed

How to fix: ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: YES)

Open your terminal and type mysql -u root -p Enter your password. Hopefully your MySQL is logged in now.