Software Directadmin vs Yum Software Manager Apt-Get
Generally we update linux software using the yum command in Centos and RedHat or apt-get in Debian and Ubuntu. YUM is a command line package manager for DEB program packages. Apt is a command line command for the dpkg packaging system. Apt-get also takes care of dependency handling.
Update Software in Directadmin
Updating the software in DirectAdmin is be done through the custombuild script. First navigate to directadmin custombild directory.
This is location of the custombuild script.
If you want to check if there are new updates available, you can execute the above command.
With the above command you can update the available new versions of the software.