installation script for OS Devuan (#95)

* adding devuan

* add devaun desc to README
make update and upgrade more noisy
correct path for devuan in pre-install

* some untested code for the source install - source installation is broken in Debian installation script and I have not debugged the problem. Focusing on the packaged version first.

devuan/resources/fail2ban.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+#move to script directory so all relative paths work
+cd "$(dirname "$0")"
+
+#includes
+. ./config.sh
+. ./colors.sh
+. ./environment.sh
+
+#send a message
+verbose "Installing Fail2ban"
+
+#add the dependencies
+apt-get -q -y install fail2ban
+
+#move the filters
+cp fail2ban/freeswitch-dos.conf /etc/fail2ban/filter.d/freeswitch-dos.conf
+cp fail2ban/freeswitch-ip.conf /etc/fail2ban/filter.d/freeswitch-ip.conf
+cp fail2ban/freeswitch-404.conf /etc/fail2ban/filter.d/freeswitch-404.conf
+cp fail2ban/freeswitch.conf /etc/fail2ban/filter.d/freeswitch.conf
+cp fail2ban/fusionpbx.conf /etc/fail2ban/filter.d/fusionpbx.conf
+cp fail2ban/nginx-404.conf /etc/fail2ban/filter.d/nginx-404.conf
+cp fail2ban/nginx-dos.conf /etc/fail2ban/filter.d/nginx-dos.conf
+cp fail2ban/jail.local /etc/fail2ban/jail.local
+
+#update config if source is being used
+if [ .$switch_source = .true ]; then
+	sed 's#var/log/freeswitch#usr/local/freeswitch/log#g' -i /etc/fail2ban/jail.local
+fi
+
+/usr/sbin/service fail2ban restart
+
+# missing log file will show error