What you need to pre-install directadmin on Centos 6, 7 and 8
Before installing DirectAdmin, there are some basic programs that you’ll need. The following are the typical commands used before we install DirectAdmin. CentOS 6 yum install wget tar gcc gcc-c++ flex bison make bind bind-libs bind-utils openssl openssl-devel perl quota libaio \ libcom_err-devel libcurl-devel gd zlib-devel zip unzip libcap-devel cronie bzip2 cyrus-sasl-devel perl-ExtUtils-Embed \ autoconf