Install DirectAdmin on Debian 10

Introduction #

DirectAdmin is a popular Graphical User Interface (GUI) and control panel that helps you to install and manage a full web-server stack on a wide variety of modern operating systems. This documentation will guide you through the installation process on Debian 10 Buster.

Running DirectAdmin requires a valid software license. A 60-day trial license is available for evaluation alongside multiple paid options. Please select the appropriate license for your requirements from their pricing page.

2. Verify Your License #

Verify your license by going to the DirectAdmin client area and checking that the license is valid and assigned to your OneHost Cloud instance’s IP address.

3. Installation #

Install the required packages as root:

# apt install wget gcc g++ make flex bison openssl libssl-dev \
perl perl-base perl-modules libperl-dev libperl4-corelibs-perl \
libwww-perl libaio1 libaio-dev zlib1g zlib1g-dev libcap-dev cron \
bzip2 zip automake autoconf libtool cmake pkg-config python \
libdb-dev libsasl2-dev libncurses5 libncurses5-dev libsystemd-dev \
bind9 dnsutils quota patch logrotate rsyslog libc6-dev libexpat1-dev \
libcrypt-openssl-rsa-perl curl libnuma-dev libnuma1

Download and run the DirectAdmin installation script:

# bash <(curl -Ss auto

? Note: Omit auto from the end of the command for an interactive, more customizable installation.

4. Post-Installation Steps #

Configuration #

Navigate your new DirectAdmin server at port 2222 to begin configuration. Replace the example IP address with your address.

Connect to your server with SSH for these optional steps. #

Enable Let’s Encrypt SSL for secure web, mail, and FTP access.

$ /usr/local/directadmin/scripts/ request_single 4096

Redirect non-SSL requests to the newly created SSL protected hostname:

$ /usr/local/directadmin/directadmin set ssl_redirect_host
$ service directadmin restart

Add dangerous PHP functions to the disable_functions list:

$ cd /usr/local/directadmin/custombuild
$ ./build update
$ ./build secure_php

Enforce difficult passwords in the directadmin.conf file:

$ echo 'enforce_difficult_passwords=1' >> /usr/local/directadmin/conf/directadmin.conf

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