Devuan: update all install scripts from debian (#390)

* devuan: pull fail2ban updates from debian installer

* devuan: merge updates to postgresql.sh from debian

* devuan: pull updated resources/backup scripts from debian

* devuan: merge and update php installer scripts

* devuan: merged changes to reset_admin_password.sh from debian

* devuan: fix release name typo for chimaera

* devuan: merge iptables changes from debian

* devuan: merge nginx changes from debian

* devuan: merge letsencrypt.sh from debian

* devuan: merge main install scripts and config from debian

* devuan: simplify sngrep install, its in all maintained releases

* devuan: merge main install script updates from debian

* devuan: finish.sh: use /usr/sbin/service for restart

* devuan: postgresql.sh: fix syntax error

* devuan: update and unify sysvinit setup

there is no sysvinit package available from freeswitch,
usethe same init and defaults file for package and source install

* devuan: add equvalent debian releasesto environment.sh

* devuan: merge changes to switch* from debian

* devuan: switch: use os_codenam_debian to add repos

* devuan: olny stop ufw if it was installed

* devuan: update config.sh defaults

* devuan: remove systemd-specifics from switch package installation

* devuan: install postgres before freeswitch

* devuan: removed libyuv-dev installation, embedded in freeswitch

* devuan: fix failing move of freeswitch music

* devuan: removed another libyuv-dev installation, embedded in freeswitch

* devuan: revert freeswitch script dir setting in /etc/default

* devuan: Enable mod_av for the install. (#389)

* devuan: merge improved nginx ssl settings (#388)

devuan/resources/reset_admin_password.sh

@@ -6,7 +6,6 @@ cd "$(dirname "$0")"
 #includes
 . ./config.sh
 . ./colors.sh
-. ./environment.sh
 
 #count the users
 admin_users=$(sudo -u postgres psql fusionpbx -Atc "select count(*) from v_users JOIN v_user_groups USING (domain_uuid) where username='$system_username' and group_name = 'superadmin'")
@@ -20,7 +19,7 @@ else
 	for admin_uuid in $admin_uuids; do
 		user_salt=$(/usr/bin/php /var/www/fusionpbx/resources/uuid.php);
 		if [ .$system_password = .'random' ]; then
-			user_password="$(tr -dc A-Za-z0-9 < /dev/urandom | head -c 12 | xargs)"
+			user_password=$(dd if=/dev/urandom bs=1 count=12 2>/dev/null | base64 | sed 's/[=\+//]//g')
 		else
 			user_password=$system_password
 		fi