2. Create custombuild directory and download custombuild
mkdir /usr/local/directadmin
cd /usr/local/directadmin/
wget http://files.directadmin.com/services/custombuild/2.0/custombuild.tar.gz
tar -xvf custombuild.tar.gz
3. run ./build.conf one time and then edit options.conf to recommend options :
vim options.conf
4. Edit only below sections as below, do not touch any other options