Troubleshooting MySQL Replication Error 1045

MySQL Master / Slave replication is amazingly easy to set up. But what if you do everything by the book, log into the slave, and issue the climactic SLAVE START; command, followed by SHOW SLAVE STATUSG, and see this error? Last_IO_Errno: 1045 Last_IO_Error: error connecting to master ‘slave_user@master.domain.int:3306’ – retry-time: 60 retries: 86400 and your […]