directadmin数据库升级

1) made a backup:
cd /usr/local/directadmin/custombuild
./build mysql

2) removed the old rpm:
rpm -e MySQL-server-5.5.17-1.linux2.6

3) Running custombuild did not work, I had to install the rpm my self:
rpm -Uvh mysql/MySQL-server-5.5.25a-1.linux2.6.x86_64.rpm

4) run custombuild:
./build mysql
./build php n