Is it possible to pass in arguments to the command apt-get install proftpd such that the resulting installation process will assume "stand-alone" mode, without prompting the user for information?
(If necessary, we can probably compile from source or such. I just wanted to see if there was an easier way before going that route.)
Well there are ways to do it, i will try to show the possible way or ways :
1) Get debconf-utils
sudo apt-get install debconf-utils
2) Then
echo "proftpd-basic shared/proftpd/inetd_or_standalone select standalone" | debconf-set-selections
3) Then launch the install which should know that you pre-selected Standalone
apt-get install proftpd
Then we can go and write a oneliner:
apt-get --yes --force-yes install debconf-utils &&
echo "proftpd-basic shared/proftpd/inetd_or_standalone select standalone" | debconf-set-selections
&& apt-get install proftpd
Hope this helps or else try the Script approach
check if bin bash is there or adjust as needed
#!/bin/bash
debconf-set-selections <<\EOF
proftpd-basic shared/proftpd/inetd_or_standalone select standalone
EOF
# install
apt-get install proftpd
# ServerType: standalone
# configure
#sed -i 's|# RequireValidShell|RequireValidShell|g' /etc/proftpd/proftpd.conf
#sed -i 's|# DefaultRoot|DefaultRoot|g' /etc/proftpd/proftpd.conf
#cat <<EOF>> /etc/proftpd/proftpd.conf
#<Limit LOGIN>
# DenyGroup !ftpuser
# </Limit>
#EOF
# create ftpuser group
#addgroup ftpuser
# restart
/etc/init.d/proftpd restart
I've commented out the Configuration part as i dont know what you would need.
Sources:
How to install Debconf utils and how to capture selections: https://serverfault.com/questions/138067/automate-proftpd-basic-install-on-ubuntu-using-apt-get
force silent install : Automatically answer 'Yes' when using apt-get install
echo message for debconf : https://ubuntuforums.org/showthread.php?t=1365327
And last but not least the SH : http://www.panticz.de/Install-proftpd
