You can upgrade from 5.0.x to 5.1.30 with cPanel scripts
edit /var/cpanel/cpanel.config
and set
mysql-version=5.1
then execute
/scripts/mysqlup
then run
/scripts/easyapache
and then
/scripts/perlinstaller –force Bundle::DBD::mysql
to reset the new install
ERROR! MySQL manager or server PID file could not be found!
Solved:
This error is caused by the my.cnf file that comes from mysql4 or an earlier version. To correct the error, enter the following commands:
mv my.cnf my.cnf.old
/etc/init.d/mysql start
Starting MySQL
SUCCESS!
