After installation of LAMP following this instruction https://www.digitalocean.com/community/articles/how-to-install-linux-apache-mysql-php-lamp-stack-on-debian without Mysql I following this instruction http://opensourcedbms.com/dbms/install-mysql-5-6-ubuntu-13-10-x64-debian-linux/ for installing MySQL 5.6 but stack on last step "sudo update-rc.d mysql.server defaults" When I try to run myslq "etc/init.d/mysql.server start" I got error "The server quit without updating PID file (/opt/mysql/server-5.6/data/perswm.pid). ... failed!" Anyone can help me?