Original Post: http://anothermysqldba.blogspot.com/2013/05/warning-because-user-was-set-to-mysql.html

shell> scripts/mysql_install_db --basedir=/usr/local/demouser --datadir=/var/lib/demodb --user=demouser --ldata=/var/lib/demodb

Installing MySQL system tables...

[Warning] Ignoring user change to 'demouser' because the user was set to 'mysql' earlier on the command line

Installation of system tables failed ! 
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