diff --git a/install.sh b/install.sh
index f55a442..a554258 100755
--- a/install.sh
+++ b/install.sh
@@ -36,13 +36,13 @@ apt-get update
 sed -i "s|exit 101|exit 0|g" /usr/sbin/policy-rc.d
 
 # install pwgen, used to create random passwords
-apt -y install pwgen
+DEBIAN_FRONTEND=noninteractive apt-get -y install pwgen
 
 # install mariadb (mysql)
 if [ ! -d "/etc/mysql/" ]; then
 
   MARIADBPWORD=`pwgen 12 1`
-  apt -y install mariadb-client mariadb-server
+  DEBIAN_FRONTEND=noninteractive apt-get -y install mariadb-client mariadb-server
   # set unix_socket auth for root
   mysql -e "GRANT ALL ON *.* TO 'root'@'localhost' IDENTIFIED VIA unix_socket WITH GRANT OPTION"
   # create nagios user for monitoring server status only
@@ -52,7 +52,7 @@ if [ ! -d "/etc/mysql/" ]; then
 fi
 
 # Apache w/ PHP
-apt -y install apache2 libapache2-mod-authnz-pam libwww-perl php-fpm php-cli php-ssh2 php-curl php-dev php-enchant php-mysql php-pear php-gd php-http php-imap php-intl php-mysql php-yaml php-pspell php-raphf php-ssh2 php-sqlite3 php-tidy php-xml php-xmlrpc php-zip php-mbstring php-imagick php-redis redis pwauth libapache2-mod-authnz-external
+DEBIAN_FRONTEND=noninteractive apt-get -y install apache2 libapache2-mod-authnz-pam libwww-perl php-fpm php-cli php-ssh2 php-curl php-dev php-enchant php-mysql php-pear php-gd php-http php-imap php-intl php-mysql php-yaml php-pspell php-raphf php-ssh2 php-sqlite3 php-tidy php-xml php-xmlrpc php-zip php-mbstring php-imagick php-redis redis pwauth libapache2-mod-authnz-external
 
 ## http2 handled automatically now.
 ## http2 doesn't support logio, so look in to vhost log format
@@ -132,7 +132,7 @@ else
 fi
 
 # Webalizer
-apt -y install webalizer
+DEBIAN_FRONTEND=noninteractive apt-get -y install webalizer
 cp etc/logrotate.d/apache2 /etc/logrotate.d/apache2
 chmod 644 /etc/logrotate.d/apache2
 rm /etc/cron.daily/webalizer
@@ -148,7 +148,7 @@ chmod 644 /srv/www/html/status.php
 chown vhost:vhost /srv/www/html/status.php
 
 # phpMyAdmin
-apt -y install php-bz2 php-tcpdf
+DEBIAN_FRONTEND=noninteractive apt-get -y install php-bz2 php-tcpdf
 cd /usr/local/src
 wget https://files.phpmyadmin.net/phpMyAdmin/5.2.0/phpMyAdmin-5.2.0-all-languages.tar.gz
 tar zxf phpMyAdmin-5.2.0-all-languages.tar.gz
@@ -166,7 +166,7 @@ find /srv/www/html/phpMyAdmin -type f -exec chmod 644 {} +
 chown -R vhost:vhost /srv/www/html/phpMyAdmin
 
 # jailkit
-apt -y install jailkit
+DEBIAN_FRONTEND=noninteractive apt-get -y install jailkit
 sed -i 's|paths = ssh|paths = /usr/bin/ssh*|' /etc/jailkit/jk_init.ini
 sed -i "s|paths = perl, /usr/lib/perl, /usr/lib/perl5, /usr/share/perl, /usr/share/perl5|paths = /usr/bin/perl, /usr/lib/x86_64-linux-gnu/perl, /usr/lib/x86_64-linux-gnu/perl-base, /usr/share/perl, /usr/share/perl5|g" /etc/jailkit/jk_init.ini
 echo "" >> /etc/jailkit/jk_init.ini
@@ -188,7 +188,7 @@ echo "comment = the ruby interpreter and libraries" >> /etc/jailkit/jk_init.ini
 echo "paths = /usr/bin/erb. /usr/bin/gem, /usr/bin/irb, /usr/bin/rdoc, /usr/bin/ri, /usr/bin/ruby, /usr/share/doc/ruby, /usr/share/man/man1/ruby.1.gz, /usr/lib/ruby/, /usr/lib/x86_64-linux-gnu/ruby/" >> /etc/jailkit/jk_init.ini
 
 # varnish
-apt -y install varnish
+DEBIAN_FRONTEND=noninteractive apt-get -y install varnish
 cp -a etc/varnish/* /etc/varnish/
 find /etc/varnish/ -type d -exec chmod 755 {} +
 find /etc/varnish/ -type f -exec chmod 644 {} +